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A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. 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estimated immediate material change: +0.00 pawns", "f1c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d3": "Bd3; estimated immediate material change: +0.00 pawns", "f1e2": "Be2; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1e2": "Ne2; estimated immediate material change: +0.00 pawns", "g1f3": "Nf3; estimated immediate material change: +0.00 pawns", "g1h3": "Nh3; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b1a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b1c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1h5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "f1b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a2a3", "a2a4", "b1a3", "b1c3", "b2b3", "c2c3", "c2c4", "d1e2", "d1f3", "d1g4", "d1h5", "d2d3", "d2d4", "e1e2", "e4e5", "f1b5", "f1c4", "f1d3", "f1e2", "f2f3", "f2f4", "g1e2", "g1f3", "g1h3", "g2g3", "g2g4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 30, "excluded_count": 2 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "g1f3", "probabilities": { "b1a3": 0, "g1h3": 0, "g2g3": 0, "f1c4": 0.01, "g2g4": 0, "e1e2": 0, "f1d3": 0, "f1e2": 0, "e4e5": 0.04, "d1h5": 0.03, "b1c3": 0.31, "d2d3": 0, "a2a4": 0.060000000000000005, "f2f4": 0, "g1e2": 0, "b2b3": 0, "h2h3": 0, "f1b5": 0.04, "d1g4": 0.01, "g1f3": 0.32, "c2c4": 0.02, "f2f3": 0, "c2c3": 0.02, "d2d4": 0.13, "d1f3": 0, "h2h4": 0, "d1e2": 0, "a2a3": 0.01 }, "confidence": 0.28 } }, "usage": { "input_tokens": 1518, "output_tokens": 300, "cost": 6.3756e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbqkbnr/1pppp1pp/5p2/p7/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 0 3", "board": "8 r n b q k b n r\n7 . p p p p . p p\n6 . . . . . p . .\n5 p . . . . . . .\n4 . . . . P . . .\n3 . . . . . N . .\n2 P P P P . P P P\n1 R N B Q K B . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 4, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b1a3": "Na3; estimated immediate material change: +0.00 pawns", "b1c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d2d3": "d3; estimated immediate material change: +0.00 pawns", "d2d4": "d4; estimated immediate material change: +0.00 pawns", "e1e2": "Ke2; estimated immediate material change: +0.00 pawns", "e4e5": "e5; estimated immediate material change: +0.00 pawns", "f1b5": "Bb5; estimated immediate material change: +0.00 pawns", "f1c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d3": "Bd3; estimated immediate material change: +0.00 pawns", "f1e2": "Be2; estimated immediate material change: +0.00 pawns", "f3d4": "Nd4; estimated immediate material change: +0.00 pawns", "f3g1": "Ng1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h1g1": "Rg1; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b1a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b1c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "f1b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a2a3", "a2a4", "b1a3", "b1c3", "b2b3", "c2c3", "c2c4", "d1e2", "d2d3", "d2d4", "e1e2", "e4e5", "f1b5", "f1c4", "f1d3", "f1e2", "f3d4", "f3g1", "f3h4", "g2g3", "g2g4", "h1g1", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 28, "excluded_count": 4 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b1c3", "probabilities": { "b1a3": 0.01, "a2a3": 0.01, "f3g1": 0, "e1e2": 0.01, "f1b5": 0.07, "f1d3": 0.03, "d2d4": 0.1, "e4e5": 0.06, "c2c4": 0.03, "b1c3": 0.41, "h2h3": 0, "f3d4": 0.05, "h2h4": 0.01, "a2a4": 0.03, "f1c4": 0.05, "g2g3": 0.01, "f3h4": 0.01, "d1e2": 0, "h1g1": 0.01, "c2c3": 0.04, "b2b3": 0.01, "g2g4": 0.01, "f1e2": 0.03, "d2d3": 0.01 }, "confidence": 0.4 } }, "usage": { "input_tokens": 1417, "output_tokens": 260, "cost": 5.9514e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbqkbnr/1pp1p1pp/3p1p2/p7/4P3/2N2N2/PPPP1PPP/R1BQKB1R w KQkq - 0 4", "board": "8 r n b q k b n r\n7 . p p . p . p p\n6 . . . p . p . .\n5 p . . . . . . .\n4 . . . . P . . .\n3 . . N . . N . .\n2 P P P P . P P P\n1 R . B Q K B . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 6, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3b5": "Nb5; estimated immediate material change: +0.00 pawns", "c3d5": "Nd5; estimated immediate material change: +0.00 pawns", "c3e2": "Ne2; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d2d3": "d3; estimated immediate material change: +0.00 pawns", "d2d4": "d4; estimated immediate material change: +0.00 pawns", "e1e2": "Ke2; estimated immediate material change: +0.00 pawns", "f1b5": "Bb5+; estimated immediate material change: +0.00 pawns", "f1c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d3": "Bd3; estimated immediate material change: +0.00 pawns", "f1e2": "Be2; estimated immediate material change: +0.00 pawns", "f3d4": "Nd4; estimated immediate material change: +0.00 pawns", "f3g1": "Ng1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h1g1": "Rg1; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6e5" }, "f1a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "f1b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8g4" }, "h1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "c3a4", "c3b1", "c3b5", "c3d5", "c3e2", "d1e2", "d2d3", "d2d4", "e1e2", "f1b5", "f1c4", "f1d3", "f1e2", "f3d4", "f3g1", "f3h4", "g2g3", "h1g1", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 30, "excluded_count": 6 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d2d4", "probabilities": { "f3h4": 0.01, "f3g1": 0, "f1b5": 0.15, "h2h3": 0, "b2b3": 0.01, "c3a4": 0.05, "h1g1": 0.01, "d2d4": 0.16, "f1d3": 0.08, "g2g3": 0.01, "f1c4": 0.09, "a2a4": 0.05, "c3e2": 0, "e1e2": 0.01, "f3d4": 0.05, "c3b1": 0, "h2h4": 0, "c3b5": 0.06, "d2d3": 0.08, "f1e2": 0.07, "a1b1": 0.01, "c3d5": 0.07, "d1e2": 0.01, "a2a3": 0.02 }, "confidence": 0.12 } }, "usage": { "input_tokens": 1437, "output_tokens": 260, "cost": 6.0354e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbqkbnr/1pp3pp/3ppp2/p7/3PP3/2N2N2/PPP2PPP/R1BQKB1R w KQkq - 0 5", "board": "8 r n b q k b n r\n7 . p p . . . p p\n6 . . . p p p . .\n5 p . . . . . . .\n4 . . . P P . . .\n3 . . N . . N . .\n2 P P P . . P P P\n1 R . B Q K B . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 7, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3b5": "Nb5; estimated immediate material change: +0.00 pawns", "c3e2": "Ne2; estimated immediate material change: +0.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d4d5": "d5; estimated immediate material change: +0.00 pawns", "e1d2": "Kd2; estimated immediate material change: +0.00 pawns", "e1e2": "Ke2; estimated immediate material change: +0.00 pawns", "e4e5": "e5; estimated immediate material change: +0.00 pawns", "f1b5": "Bb5+; estimated immediate material change: +0.00 pawns", "f1c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d3": "Bd3; estimated immediate material change: +0.00 pawns", "f1e2": "Be2; estimated immediate material change: +0.00 pawns", "f3d2": "Nd2; estimated immediate material change: +0.00 pawns", "f3g1": "Ng1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h1g1": "Rg1; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "e6d5" }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "f1b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "c1d2", "c1e3", "c1f4", "c3a4", "c3b1", "c3b5", "c3e2", "d1d2", "d1d3", "d1e2", "d4d5", "e1d2", "e1e2", "e4e5", "f1b5", "f1c4", "f1d3", "f1e2", "f3d2", "f3g1", "f3h4", "g2g3", "g2g4", "h1g1", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 37, "excluded_count": 7 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "f1b5", "probabilities": { "f3h4": 0.01, "f1c4": 0.13, "f1b5": 0.19, "c3e2": 0.01, "f1d3": 0.06, "f3d2": 0.01, "c1d2": 0.04, "e1e2": 0.01, "c3b1": 0, "e1d2": 0.01, "c1f4": 0.05, "a1b1": 0.01, "d1e2": 0.02, "a2a3": 0.02, "a2a4": 0.03, "f3g1": 0, "h2h3": 0, "b2b3": 0.01, "c3a4": 0.03, "h1g1": 0.01, "d4d5": 0.1, "c1e3": 0.03, "d1d2": 0.01, "d1d3": 0.02, "e4e5": 0.07, "f1e2": 0.06, "h2h4": 0, "c3b5": 0.04, "g2g3": 0.01, "g2g4": 0.01 }, "confidence": 0.16 } }, "usage": { "input_tokens": 1624, "output_tokens": 320, "cost": 6.8208e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq1bnr/1pp2kpp/3ppp2/pB6/3PP3/2N2N2/PPP2PPP/R1BQK2R w KQ - 2 6", "board": "8 r n b q . b n r\n7 . p p . . k p p\n6 . . . p p p . .\n5 p B . . . . . .\n4 . . . P P . . .\n3 . . N . . N . .\n2 P P P . . P P P\n1 R . B Q K . . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 10, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b5a4": "Ba4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "b5f1": "Bf1; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3e2": "Ne2; estimated immediate material change: +0.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d4d5": "d5; estimated immediate material change: +0.00 pawns", "e1d2": "Kd2; estimated immediate material change: +0.00 pawns", "e1e2": "Ke2; estimated immediate material change: +0.00 pawns", "e1f1": "Kf1; estimated immediate material change: +0.00 pawns", "e1g1": "O-O; estimated immediate material change: +0.00 pawns", "e4e5": "e5; estimated immediate material change: +0.00 pawns", "f3d2": "Nd2; estimated immediate material change: +0.00 pawns", "f3g1": "Ng1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h1f1": "Rf1; estimated immediate material change: +0.00 pawns", "h1g1": "Rg1; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "b5f1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "e6d5" }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1f1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h1f1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "b5a4", "b5c4", "b5d3", "b5e2", "b5f1", "c1d2", "c1e3", "c1f4", "c3a4", "c3b1", "c3e2", "d1d2", "d1d3", "d1e2", "d4d5", "e1d2", "e1e2", "e1f1", "e1g1", "e4e5", "f3d2", "f3g1", "f3h4", "g2g3", "g2g4", "h1f1", "h1g1", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 10 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "e1g1", "probabilities": { "g2g4": 0, "b2b3": 0, "h1g1": 0, "c1d2": 0.02, "h1f1": 0, "b5a4": 0.04, "c3e2": 0.01, "e1f1": 0, "e1d2": 0, "c3a4": 0.02, "e4e5": 0.08, "a1b1": 0.01, "c1f4": 0.02, "f3d2": 0.01, "f3h4": 0.01, "e1g1": 0.54, "c3b1": 0, "a2a3": 0.01, "d1d3": 0.02, "h2h3": 0, "b5c4": 0.02, "d1d2": 0.01, "g2g3": 0, "d1e2": 0.01, "h2h4": 0, "c1e3": 0.03, "b5f1": 0.01, "b5d3": 0.02, "d4d5": 0.07, "f3g1": 0, "e1e2": 0, "a2a4": 0.02, "b5e2": 0.01 }, "confidence": 0.52 } }, "usage": { "input_tokens": 1727, "output_tokens": 350, "cost": 7.2534e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq1b1r/1pp1nkpp/3ppp2/pB6/3PP3/2N2N2/PPP2PPP/R1BQ1RK1 w - - 4 7", "board": "8 r n b q . b . r\n7 . p p . n k p p\n6 . . . p p p . .\n5 p B . . . . . .\n4 . . . P P . . .\n3 . . N . . N . .\n2 P P P . . P P P\n1 R . B Q . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 10, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b5a4": "Ba4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3e2": "Ne2; estimated immediate material change: +0.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1e1": "Qe1; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d4d5": "d5; estimated immediate material change: +0.00 pawns", "e4e5": "e5; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f3d2": "Nd2; estimated immediate material change: +0.00 pawns", "f3e1": "Ne1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g7h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "e6d5" }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "b5a4", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c3a4", "c3b1", "c3e2", "d1d2", "d1d3", "d1e1", "d1e2", "d4d5", "e4e5", "f1e1", "f3d2", "f3e1", "f3h4", "g1h1", "g2g3", "g2g4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 39, "excluded_count": 10 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d4d5", "probabilities": { "h2h3": 0, "b2b3": 0.01, "g2g4": 0.01, "a2a3": 0.02, "f3e1": 0.01, "b5a4": 0.05, "c3b1": 0, "h2h4": 0, "d1d3": 0.05, "a2a4": 0.03, "c3e2": 0.02, "d1e1": 0.01, "c1d2": 0.07, "g2g3": 0.01, "f3h4": 0.03, "f3d2": 0.02, "d1d2": 0.03, "b5c4": 0.05, "c3a4": 0.05, "g1h1": 0.01, "a1b1": 0.02, "e4e5": 0.11, "c1f4": 0.05, "c1e3": 0.04, "b5e2": 0.03, "d1e2": 0.03, "f1e1": 0.02, "d4d5": 0.16, "b5d3": 0.06 }, "confidence": 0.13 } }, "usage": { "input_tokens": 1623, "output_tokens": 310, "cost": 6.8166e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq1b1r/1pp1nkpp/3p1p2/pB1p4/4P3/2N2N2/PPP2PPP/R1BQ1RK1 w - - 0 8", "board": "8 r n b q . b . r\n7 . p p . n k p p\n6 . . . p . p . .\n5 p B . p . . . .\n4 . . . . P . . .\n3 . . N . . N . .\n2 P P P . . P P P\n1 R . B Q . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 16, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b5a4": "Ba4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3d5": "Nxd5; estimated immediate material change: +1.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1d4": "Qd4; estimated immediate material change: +0.00 pawns", "d1e1": "Qe1; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "e4d5": "exd5; estimated immediate material change: +1.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f3d2": "Nd2; estimated immediate material change: +0.00 pawns", "f3d4": "Nd4; estimated immediate material change: +0.00 pawns", "f3e1": "Ne1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d5c4" }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g7h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "d5e4" }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "d5e4" }, "c3d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "d5e4" }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -480, "reply": "e7d5" }, "d1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "e4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "e4e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6e5" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "b5a4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c3d5", "d1d2", "d1d3", "d1d4", "d1e1", "d1e2", "e4d5", "f1e1", "f3d2", "f3d4", "f3e1", "f3h4", "g1h1", "g2g3", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 42, "excluded_count": 16 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "e4d5", "probabilities": { "f3h4": 0.01, "h2h3": 0, "g2g3": 0, "a2a4": 0, "d1d4": 0.02, "b2b3": 0, "e4d5": 0.42, "b5d3": 0.01, "f3d4": 0.04, "d1d2": 0.01, "c1d2": 0.01, "d1e1": 0, "c1e3": 0.02, "f3d2": 0.01, "d1d3": 0.01, "b5e2": 0.01, "h2h4": 0, "c1f4": 0.01, "g1h1": 0, "b5a4": 0.01, "f3e1": 0, "f1e1": 0, "a1b1": 0.01, "c3d5": 0.39, "d1e2": 0.01, "a2a3": 0 }, "confidence": 0.4 } }, "usage": { "input_tokens": 1556, "output_tokens": 280, "cost": 6.5352e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq1bnr/1pp2kpp/3p1p2/pB1P4/8/2N2N2/PPP2PPP/R1BQ1RK1 w - - 1 9", "board": "8 r n b q . b n r\n7 . p p . . k p p\n6 . . . p . p . .\n5 p B . P . . . .\n4 . . . . . . . .\n3 . . N . . N . .\n2 P P P . . P P P\n1 R . B Q . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 10, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b5a4": "Ba4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3e2": "Ne2; estimated immediate material change: +0.00 pawns", "c3e4": "Ne4; estimated immediate material change: +0.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1d4": "Qd4; estimated immediate material change: +0.00 pawns", "d1e1": "Qe1; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f3d2": "Nd2; estimated immediate material change: +0.00 pawns", "f3d4": "Nd4; estimated immediate material change: +0.00 pawns", "f3e1": "Ne1; estimated immediate material change: +0.00 pawns", "f3h4": "Nh4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6e5" }, "f3g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "f6g5" }, "f3h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "b5a4", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c3a4", "c3b1", "c3e2", "c3e4", "d1d2", "d1d3", "d1d4", "d1e1", "d1e2", "f1e1", "f3d2", "f3d4", "f3e1", "f3h4", "g1h1", "g2g3", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 39, "excluded_count": 10 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "f3d4", "probabilities": { "c3e2": 0.02, "c1d2": 0.03, "c1f4": 0.04, "b2b3": 0.01, "g1h1": 0.01, "d1d4": 0.08, "a2a3": 0.01, "b5c4": 0.04, "c3a4": 0.05, "a2a4": 0.02, "b5a4": 0.06, "a1b1": 0.01, "d1d3": 0.04, "f3e1": 0.02, "f3h4": 0.04, "f3d2": 0.01, "h2h4": 0, "g2g3": 0.01, "f3d4": 0.16, "h2h3": 0, "f1e1": 0.03, "c3b1": 0.01, "b5d3": 0.06, "d1e1": 0.01, "d1e2": 0.03, "b5e2": 0.03, "d1d2": 0.02, "c1e3": 0.04, "c3e4": 0.11 }, "confidence": 0.12 } }, "usage": { "input_tokens": 1652, "output_tokens": 310, "cost": 6.9384e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq2nr/1pp1bkpp/3p1p2/pB1P4/3N4/2N5/PPP2PPP/R1BQ1RK1 w - - 3 10", "board": "8 r n b q . . n r\n7 . p p . b k p p\n6 . . . p . p . .\n5 p B . P . . . .\n4 . . . N . . . .\n3 . . N . . . . .\n2 P P P . . P P P\n1 R . B Q . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 11, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b5a4": "Ba4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c3a4": "Na4; estimated immediate material change: +0.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3e2": "Nce2; estimated immediate material change: +0.00 pawns", "c3e4": "Ne4; estimated immediate material change: +0.00 pawns", "d1d2": "Qd2; estimated immediate material change: +0.00 pawns", "d1d3": "Qd3; estimated immediate material change: +0.00 pawns", "d1e1": "Qe1; estimated immediate material change: +0.00 pawns", "d1e2": "Qe2; estimated immediate material change: +0.00 pawns", "d1f3": "Qf3; estimated immediate material change: +0.00 pawns", "d1h5": "Qh5+; estimated immediate material change: +0.00 pawns", "d4b3": "Nb3; estimated immediate material change: +0.00 pawns", "d4e2": "Nde2; estimated immediate material change: +0.00 pawns", "d4f3": "Nf3; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5b4" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d1g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c8g4" }, "d1h5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "b7c6" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -90, "reply": "c8e6" }, "d4f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c8f5" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a2a4", "b2b3", "b5a4", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c3a4", "c3b1", "c3e2", "c3e4", "d1d2", "d1d3", "d1e1", "d1e2", "d1f3", "d1h5", "d4b3", "d4e2", "d4f3", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "g2g4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 11 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d1h5", "probabilities": { "d1f3": 0.04, "d4e2": 0.04, "c1f4": 0.04, "b5a4": 0.04, "g1h1": 0.01, "g2g3": 0.01, "c3a4": 0.04, "g2g4": 0.01, "f2f4": 0.01, "c3e4": 0.1, "d1e1": 0.01, "a1b1": 0.02, "b5d3": 0.05, "f1e1": 0.04, "d4f3": 0.06, "c3e2": 0.03, "b2b3": 0.01, "b5e2": 0.02, "a2a3": 0.01, "c3b1": 0.01, "d1d2": 0.02, "f2f3": 0.01, "c1d2": 0.03, "c1e3": 0.03, "d4b3": 0.02, "h2h3": 0.01, "h2h4": 0, "d1h5": 0.13999999999999999, "d1d3": 0.04, "d1e2": 0.02, "b5c4": 0.06, "a2a4": 0.02 }, "confidence": 0.12 } }, "usage": { "input_tokens": 1758, "output_tokens": 340, "cost": 7.3836e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq2nr/1pp1bk1p/3p1pp1/pB1P3Q/3N4/2N5/PPP2PPP/R1B2RK1 w - - 0 11", "board": "8 r n b q . . n r\n7 . p p . b k . p\n6 . . . p . p p .\n5 p B . P . . . Q\n4 . . . N . . . .\n3 . . N . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 46, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "h5d1": "Qd1; estimated immediate material change: +0.00 pawns", "h5e2": "Qe2; estimated immediate material change: +0.00 pawns", "h5f3": "Qf3; estimated immediate material change: +0.00 pawns", "h5h4": "Qh4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6h5" }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c3d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "c3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6h5" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "h5d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h5e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6e5" }, "h5f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h5f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6f5" }, "h5g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c8g4" }, "h5g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6g5" }, "h5g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "f7g6" }, "h5h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "c8h3" }, "h5h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h5h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -580, "reply": "g8h6" }, "h5h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "h8h7" } }, "offered": [ "h5d1", "h5e2", "h5f3", "h5h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 50, "excluded_count": 46 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "h5f3", "probabilities": { "h5e2": 0.28, "h5h4": 0.18, "h5f3": 0.32, "h5d1": 0.22 }, "confidence": 0.09 } }, "usage": { "input_tokens": 956, "output_tokens": 60, "cost": 4.0152e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "rnbq2nr/1pp1bk1p/3p1pp1/1B1P4/p2N4/2N2Q2/PPP2PPP/R1B2RK1 w - - 0 12", "board": "8 r n b q . . n r\n7 . p p . b k . p\n6 . . . p . p p .\n5 . B . P . . . .\n4 p . . N . . . .\n3 . . N . . Q . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 14, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "b5a4": "Bxa4; estimated immediate material change: +1.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c1g5": "Bg5; estimated immediate material change: +0.00 pawns", "c3a4": "Nxa4; estimated immediate material change: +1.00 pawns", "c3b1": "Nb1; estimated immediate material change: +0.00 pawns", "c3d1": "Nd1; estimated immediate material change: +0.00 pawns", "c3e2": "Nce2; estimated immediate material change: +0.00 pawns", "c3e4": "Ne4; estimated immediate material change: +0.00 pawns", "d4e2": "Nde2; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f3d1": "Qd1; estimated immediate material change: +0.00 pawns", "f3d3": "Qd3; estimated immediate material change: +0.00 pawns", "f3e2": "Qe2; estimated immediate material change: +0.00 pawns", "f3e3": "Qe3; estimated immediate material change: +0.00 pawns", "f3e4": "Qe4; estimated immediate material change: +0.00 pawns", "f3f4": "Qf4; estimated immediate material change: +0.00 pawns", "f3g3": "Qg3; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c3a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "c3b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "a4b3" }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "b7c6" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -90, "reply": "c8e6" }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c8f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6f5" }, "f3f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "f7f6" }, "f3g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c8g4" }, "f3h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "c8h3" }, "f3h5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "b2b3", "b2b4", "b5a4", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c1g5", "c3a4", "c3b1", "c3d1", "c3e2", "c3e4", "d4e2", "f1d1", "f1e1", "f3d1", "f3d3", "f3e2", "f3e3", "f3e4", "f3f4", "f3g3", "g1h1", "g2g3", "g2g4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 46, "excluded_count": 14 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c3a4", "probabilities": { "c1d2": 0, "c3e2": 0, "f1d1": 0, "f3d1": 0, "g1h1": 0, "a2a3": 0.01, "b5e2": 0, "c3d1": 0, "f3e4": 0.02, "f3f4": 0, "f3e2": 0, "c1f4": 0, "d4e2": 0, "b5a4": 0.44, "b5c4": 0.01, "c3b1": 0, "f3d3": 0.02, "c3e4": 0.01, "b2b3": 0, "f3e3": 0, "c1g5": 0.01, "b5d3": 0, "g2g3": 0, "f3g3": 0.02, "c3a4": 0.46, "c1e3": 0, "f1e1": 0, "h2h3": 0, "g2g4": 0, "a1b1": 0, "b2b4": 0, "h2h4": 0 }, "confidence": 0.43 } }, "usage": { "input_tokens": 1790, "output_tokens": 340, "cost": 7.518e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nbq2nr/1pp1bk1p/3p1pp1/rB1P4/N2N4/5Q2/PPP2PPP/R1B2RK1 w - - 1 13", "board": "8 . n b q . . n r\n7 . p p . b k . p\n6 . . . p . p p .\n5 r B . P . . . .\n4 N . . N . . . .\n3 . . . . . Q . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 20, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c1g5": "Bg5; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f3a3": "Qa3; estimated immediate material change: +0.00 pawns", "f3b3": "Qb3; estimated immediate material change: +0.00 pawns", "f3c3": "Qc3; estimated immediate material change: +0.00 pawns", "f3d1": "Qd1; estimated immediate material change: +0.00 pawns", "f3d3": "Qd3; estimated immediate material change: +0.00 pawns", "f3e2": "Qe2; estimated immediate material change: +0.00 pawns", "f3e3": "Qe3; estimated immediate material change: +0.00 pawns", "f3e4": "Qe4; estimated immediate material change: +0.00 pawns", "f3f4": "Qf4; estimated immediate material change: +0.00 pawns", "f3g3": "Qg3; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "g2g4": "g4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a5a4" }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a5a4" }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a5a4" }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6f5" }, "f3f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "f7f6" }, "f3g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c8g4" }, "f3h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "c8h3" }, "f3h5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g6h5" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b2b4", "c1d2", "c1e3", "c1f4", "c1g5", "c2c3", "c2c4", "f1d1", "f1e1", "f3a3", "f3b3", "f3c3", "f3d1", "f3d3", "f3e2", "f3e3", "f3e4", "f3f4", "f3g3", "g1h1", "g2g3", "g2g4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 48, "excluded_count": 20 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "f3a3", "probabilities": { "f3b3": 0.07, "f3c3": 0.04, "g2g3": 0.01, "f3a3": 0.09000000000000001, "a2a3": 0.02, "f3d1": 0.02, "f3e4": 0.06, "b2b3": 0.02, "c1f4": 0.03, "c1e3": 0.06, "a1b1": 0.04, "f1e1": 0.05, "c1d2": 0.03, "a4c3": 0.08, "f3d3": 0.05, "h2h3": 0.01, "f3e3": 0.03, "b2b4": 0.02, "g2g4": 0.02, "f3g3": 0.03, "c2c3": 0.02, "g1h1": 0.01, "f3e2": 0.02, "c1g5": 0.07, "c2c4": 0.02, "f3f4": 0.02, "h2h4": 0.01, "f1d1": 0.05 }, "confidence": 0.07 } }, "usage": { "input_tokens": 1682, "output_tokens": 300, "cost": 7.0644e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nbq2nr/1pp1bk1p/3p2p1/rB1P1p2/N2N4/Q7/PPP2PPP/R1B2RK1 w - - 0 14", "board": "8 . n b q . . n r\n7 . p p . b k . p\n6 . . . p . . p .\n5 r B . P . p . .\n4 N . . N . . . .\n3 Q . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 21, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a3b3": "Qb3; estimated immediate material change: +0.00 pawns", "a3b4": "Qb4; estimated immediate material change: +0.00 pawns", "a3c3": "Qc3; estimated immediate material change: +0.00 pawns", "a3d3": "Qd3; estimated immediate material change: +0.00 pawns", "a3e3": "Qe3; estimated immediate material change: +0.00 pawns", "a3f3": "Qf3; estimated immediate material change: +0.00 pawns", "a3g3": "Qg3; estimated immediate material change: +0.00 pawns", "a3h3": "Qh3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "a3d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "a3e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a3h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "a5a3" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "a5a3" }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "a5a3" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5d5" }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "a5d5" }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a5b5" }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "a5b5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a3b3", "a3b4", "a3c3", "a3d3", "a3e3", "a3f3", "a3g3", "a3h3", "b2b3", "b2b4", "b5c4", "c1d2", "c1e3", "c1f4", "c2c3", "c2c4", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 45, "excluded_count": 21 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "a3b4", "probabilities": { "g2g3": 0.02, "g1h1": 0.01, "c1e3": 0.05, "f2f3": 0.02, "h2h3": 0.01, "a1b1": 0.05, "a3d3": 0.05, "c2c3": 0.02, "b5c4": 0.09, "a3b3": 0.07, "c2c4": 0.02, "b2b4": 0.03, "a3e3": 0.05, "f2f4": 0.03, "a3c3": 0.04, "c1f4": 0.05, "a3h3": 0.05, "c1d2": 0.03, "f1e1": 0.04, "a3f3": 0.05, "a3b4": 0.11, "f1d1": 0.06, "a3g3": 0.03, "b2b3": 0.02 }, "confidence": 0.06 } }, "usage": { "input_tokens": 1579, "output_tokens": 260, "cost": 6.6318e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nbq2nr/rpp1bk1p/3p2p1/1B1P1p2/NQ1N4/8/PPP2PPP/R1B2RK1 w - - 2 15", "board": "8 . n b q . . n r\n7 r p p . b k . p\n6 . . . p . . p .\n5 . B . P . p . .\n4 N Q . N . . . .\n3 . . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 16, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b4a3": "Qa3; estimated immediate material change: +0.00 pawns", "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4c3": "Qc3; estimated immediate material change: +0.00 pawns", "b4c4": "Qc4; estimated immediate material change: +0.00 pawns", "b4d2": "Qd2; estimated immediate material change: +0.00 pawns", "b4e1": "Qe1; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "d4b3": "Nb3; estimated immediate material change: +0.00 pawns", "d4e2": "Ne2; estimated immediate material change: +0.00 pawns", "d4f3": "Nf3; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "b7c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "b7c6" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -90, "reply": "c8e6" }, "d4f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "c8f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b4a3", "b4b3", "b4c3", "b4c4", "b4d2", "b4e1", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c2c3", "c2c4", "d4b3", "d4e2", "d4f3", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 44, "excluded_count": 16 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b5c4", "probabilities": { "b4c4": 0.05, "c1f4": 0.04, "b5d3": 0.07, "f2f4": 0.04, "a4c3": 0.04, "b2b3": 0.02, "d4e2": 0.02, "b4a3": 0.08, "f1d1": 0.05, "d4b3": 0.03, "c1e3": 0.05, "b4e1": 0.01, "a1b1": 0.02, "c2c4": 0.03, "h2h3": 0.01, "c2c3": 0.02, "b4d2": 0.02, "g2g3": 0.02, "b4c3": 0.05, "g1h1": 0.01, "d4f3": 0.04, "a2a3": 0.02, "f1e1": 0.04, "b4b3": 0.03, "c1d2": 0.04, "f2f3": 0.02, "b5c4": 0.09000000000000001, "b5e2": 0.04 }, "confidence": 0.06 } }, "usage": { "input_tokens": 1708, "output_tokens": 300, "cost": 7.1736e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nbqk1nr/rpp1b2p/3p2p1/3P1p2/NQBN4/8/PPP2PPP/R1B2RK1 w - - 4 16", "board": "8 . n b q k . n r\n7 r p p . b . . p\n6 . . . p . . p .\n5 . . . P . p . .\n4 N Q B N . . . .\n3 . . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 17, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b4a3": "Qa3; estimated immediate material change: +0.00 pawns", "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4b5": "Qb5+; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c4b3": "Bb3; estimated immediate material change: +0.00 pawns", "c4b5": "Bb5+; estimated immediate material change: +0.00 pawns", "c4d3": "Bd3; estimated immediate material change: +0.00 pawns", "c4e2": "Be2; estimated immediate material change: +0.00 pawns", "d4b3": "Nb3; estimated immediate material change: +0.00 pawns", "d4b5": "Nb5; estimated immediate material change: +0.00 pawns", "d4e2": "Ne2; estimated immediate material change: +0.00 pawns", "d4e6": "Ne6; estimated immediate material change: +0.00 pawns", "d4f3": "Nf3; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c7b6" }, "b4b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "c8b7" }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "c4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "b7c6" }, "d4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d4f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "c8f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b4a3", "b4b3", "b4b5", "c1d2", "c1e3", "c1f4", "c2c3", "c4b3", "c4b5", "c4d3", "c4e2", "d4b3", "d4b5", "d4e2", "d4e6", "d4f3", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 44, "excluded_count": 17 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d4e6", "probabilities": { "c4e2": 0.02, "d4b5": 0.05, "g2g3": 0.01, "a1b1": 0.03, "c1d2": 0.02, "b4b5": 0.1, "a2a3": 0.01, "c4b3": 0.03, "c2c3": 0.02, "f2f3": 0.01, "b4a3": 0.04, "a4c3": 0.04, "f1e1": 0.04, "g1h1": 0.01, "d4b3": 0.02, "d4e6": 0.16, "f1d1": 0.05, "d4f3": 0.03, "f2f4": 0.02, "b2b3": 0.01, "h2h3": 0.01, "c4b5": 0.12000000000000001, "b4b3": 0.02, "c1f4": 0.02, "c1e3": 0.03, "c4d3": 0.06, "d4e2": 0.02 }, "confidence": 0.13 } }, "usage": { "input_tokens": 1692, "output_tokens": 290, "cost": 7.1064e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1n1qk1nr/rpp1b2p/3pb1p1/3P1p2/NQB5/8/PPP2PPP/R1B2RK1 w - - 0 17", "board": "8 . n . q k . n r\n7 r p p . b . . p\n6 . . . p b . p .\n5 . . . P . p . .\n4 N Q B . . . . .\n3 . . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 17, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b4a3": "Qa3; estimated immediate material change: +0.00 pawns", "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4b5": "Qb5+; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c4b3": "Bb3; estimated immediate material change: +0.00 pawns", "c4b5": "Bb5+; estimated immediate material change: +0.00 pawns", "d5e6": "dxe6; estimated immediate material change: +3.30 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c7b6" }, "b4b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "a7b7" }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "c4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6d5" }, "c4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6d5" }, "d5e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 330, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b4a3", "b4b3", "b4b5", "c1d2", "c1e3", "c1f4", "c2c3", "c4b3", "c4b5", "d5e6", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 38, "excluded_count": 17 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d5e6", "probabilities": { "a2a3": 0, "c1e3": 0.01, "c1f4": 0.01, "b4b3": 0.01, "c4b5": 0.04, "d5e6": 0.81, "f2f4": 0.01, "a1b1": 0.01, "h2h3": 0, "c4b3": 0.01, "a4c3": 0.01, "c1d2": 0.01, "f2f3": 0, "b4a3": 0.01, "g2g3": 0, "f1e1": 0.01, "b4b5": 0.03, "b2b3": 0, "g1h1": 0, "f1d1": 0.01, "c2c3": 0.01 }, "confidence": 0.8 } }, "usage": { "input_tokens": 1532, "output_tokens": 230, "cost": 6.4344e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1n1qk1nr/rpp1b3/3pP1p1/5p1p/NQB5/8/PPP2PPP/R1B2RK1 w - - 0 18", "board": "8 . n . q k . n r\n7 r p p . b . . .\n6 . . . p P . p .\n5 . . . . . p . p\n4 N Q B . . . . .\n3 . . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 15, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b4a3": "Qa3; estimated immediate material change: +0.00 pawns", "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4b5": "Qb5+; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c4b3": "Bb3; estimated immediate material change: +0.00 pawns", "c4b5": "Bb5+; estimated immediate material change: +0.00 pawns", "c4d3": "Bd3; estimated immediate material change: +0.00 pawns", "c4d5": "Bd5; estimated immediate material change: +0.00 pawns", "c4e2": "Be2; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c7b6" }, "b4b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "a7b7" }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "c4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c4e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "h5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b4a3", "b4b3", "b4b5", "c1d2", "c1e3", "c1f4", "c2c3", "c4b3", "c4b5", "c4d3", "c4d5", "c4e2", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 38, "excluded_count": 15 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c4b5", "probabilities": { "c1f4": 0.03, "b4b3": 0.03, "g2g3": 0.02, "a2a3": 0.01, "b2b3": 0.01, "c4e2": 0.03, "c4b3": 0.03, "a1b1": 0.03, "f1e1": 0.03, "c1d2": 0.02, "c4d5": 0.13, "f2f4": 0.03, "h2h3": 0.01, "c1e3": 0.04, "f2f3": 0.02, "b4b5": 0.12, "b4a3": 0.05, "c2c3": 0.03, "g1h1": 0.01, "c4d3": 0.06, "f1d1": 0.04, "a4c3": 0.05, "c4b5": 0.17 }, "confidence": 0.12 } }, "usage": { "input_tokens": 1602, "output_tokens": 250, "cost": 6.7284e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1n1q1knr/rpp1b3/3pP1p1/1B3p1p/NQ6/8/PPP2PPP/R1B2RK1 w - - 2 19", "board": "8 . n . q . k n r\n7 r p p . b . . .\n6 . . . p P . p .\n5 . B . . . p . p\n4 N Q . . . . . .\n3 . . . . . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 16, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4c3": "Nc3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b4a3": "Qa3; estimated immediate material change: +0.00 pawns", "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4c3": "Qc3; estimated immediate material change: +0.00 pawns", "b4c4": "Qc4; estimated immediate material change: +0.00 pawns", "b4d2": "Qd2; estimated immediate material change: +0.00 pawns", "b4d4": "Qd4; estimated immediate material change: +0.00 pawns", "b4e1": "Qe1; estimated immediate material change: +0.00 pawns", "b4f4": "Qf4; estimated immediate material change: +0.00 pawns", "b5c4": "Bc4; estimated immediate material change: +0.00 pawns", "b5d3": "Bd3; estimated immediate material change: +0.00 pawns", "b5e2": "Be2; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "d8d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f5e4" }, "b4f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "b4h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7h4" }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8c6" }, "b5d3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -110, "reply": "b8d7" }, "b5e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f8e8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "h5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a4c3", "b2b3", "b4a3", "b4b3", "b4c3", "b4c4", "b4d2", "b4d4", "b4e1", "b4f4", "b5c4", "b5d3", "b5e2", "c1d2", "c1e3", "c1f4", "c2c3", "c2c4", "f1d1", "f1e1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 16 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b5d3", "probabilities": { "b4c4": 0.05, "c1f4": 0.05, "f2f4": 0.03, "b5d3": 0.060000000000000005, "a4c3": 0.05, "b4d4": 0.05, "b2b3": 0.02, "b4a3": 0.07, "f1d1": 0.06, "c1e3": 0.06, "b4e1": 0.03, "a1b1": 0.03, "c2c4": 0.02, "h2h3": 0.02, "b4c3": 0.04, "b4d2": 0.01, "g2g3": 0.02, "c2c3": 0.02, "g1h1": 0.01, "c1d2": 0.03, "f1e1": 0.04, "b4b3": 0.03, "a2a3": 0.02, "f2f3": 0.02, "b4f4": 0.06, "b5c4": 0.07, "b5e2": 0.03 }, "confidence": 0.04 } }, "usage": { "input_tokens": 1735, "output_tokens": 290, "cost": 7.287e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nq2knr/rpp1b3/3pP1p1/5p1p/NQ6/3B4/PPP2PPP/R1B2RK1 w - - 4 20", "board": "8 . n q . . k n r\n7 r p p . b . . .\n6 . . . p P . p .\n5 . . . . . p . p\n4 N Q . . . . . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 41, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "b4b3": "Qb3; estimated immediate material change: +0.00 pawns", "b4c4": "Qc4; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -220, "reply": "c7b6" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "d6c5" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a7a5" }, "b4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "c7b6" }, "b4b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "c8b7" }, "b4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b4d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b4d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "e7d6" }, "b4e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "b4e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "f5e4" }, "b4f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b4g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "b4h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7h4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "b8a6" }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "f5e4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "g6f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" } }, "offered": [ "b4b3", "b4c4", "d3c4", "f1e1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 45, "excluded_count": 41 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b4c4", "probabilities": { "b4b3": 0.2, "f1e1": 0.21, "d3c4": 0.29, "b4c4": 0.3 }, "confidence": 0.06 } }, "usage": { "input_tokens": 1076, "output_tokens": 60, "cost": 4.5192e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nq2knr/r1p1b3/3pP1p1/1p3p1p/N1Q5/3B4/PPP2PPP/R1B2RK1 w - - 0 21", "board": "8 . n q . . k n r\n7 r . p . b . . .\n6 . . . p P . p .\n5 . p . . . p . p\n4 N . Q . . . . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 37, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "c4b5": "Qxb5; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "a4b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "a4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "a4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "c4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": "c8e6" }, "c4c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8c6" }, "c4c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "c8c7" }, "c4d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "f5e4" }, "c4f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -320, "reply": "a7a4" }, "c4g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "c4h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7h4" }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b5c4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "b5c4" } }, "offered": [ "c4b5" ], "reason": "no_detected_immediate_material_loss", "legal_count": 38, "excluded_count": 37 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c4b5", "probabilities": { "c4b5": 1 }, "confidence": 1 } }, "usage": { "input_tokens": 1007, "output_tokens": 30, "cost": 4.2294e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1nq2knr/2p1b3/3pP1p1/1Q3p1p/r7/3B4/PPP2PPP/R1B2RK1 w - - 0 22", "board": "8 . n q . . k n r\n7 . . p . b . . .\n6 . . . p P . p .\n5 . Q . . . p . p\n4 r . . . . . . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 35, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "b5a4": "Qxa4; estimated immediate material change: +4.00 pawns", "b5b3": "Qb3; estimated immediate material change: +0.00 pawns", "b5d5": "Qd5; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1e1": "Re1; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "b5a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 400, "reply": "c8e6" }, "b5a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a4a5" }, "b5a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8a6" }, "b5b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "a4b4" }, "b5b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c7b6" }, "b5b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c8b7" }, "b5b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -580, "reply": "c8b8" }, "b5c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "a4c4" }, "b5c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "b5c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8c6" }, "b5d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b5d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -680, "reply": "b8d7" }, "b5e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6e5" }, "b5e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f8e8" }, "b5f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -700, "reply": "g6f5" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a4f4" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "a4e4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -130, "reply": "g6f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "c8e6" } }, "offered": [ "b5a4", "b5b3", "b5d5", "d3c4", "f1e1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 40, "excluded_count": 35 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b5a4", "probabilities": { "f1e1": 0.01, "b5a4": 0.92, "b5d5": 0.03, "d3c4": 0.03, "b5b3": 0.01 }, "confidence": 0.9 } }, "usage": { "input_tokens": 1137, "output_tokens": 70, "cost": 4.7754e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1n3knr/2p1b3/3pq1p1/5p1p/Q7/3B4/PPP2PPP/R1B2RK1 w - - 0 23", "board": "8 . n . . . k n r\n7 . . p . b . . .\n6 . . . p q . p .\n5 . . . . . p . p\n4 Q . . . . . . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 15, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a4a3": "Qa3; estimated immediate material change: +0.00 pawns", "a4a5": "Qa5; estimated immediate material change: +0.00 pawns", "a4a7": "Qa7; estimated immediate material change: +0.00 pawns", "a4a8": "Qa8; estimated immediate material change: +0.00 pawns", "a4b3": "Qb3; estimated immediate material change: +0.00 pawns", "a4b4": "Qb4; estimated immediate material change: +0.00 pawns", "a4b5": "Qb5; estimated immediate material change: +0.00 pawns", "a4c4": "Qc4; estimated immediate material change: +0.00 pawns", "a4d4": "Qd4; estimated immediate material change: +0.00 pawns", "a4f4": "Qf4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "f2f4": "f4; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -580, "reply": "b8a6" }, "a4a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4a8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8c6" }, "a4d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8d7" }, "a4e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f5e4" }, "a4e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f8e8" }, "a4f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a4g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "a4h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7h4" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -10, "reply": "b8a6" }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "e6f5" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f2f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "h5g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a2a3", "a4a3", "a4a5", "a4a7", "a4a8", "a4b3", "a4b4", "a4b5", "a4c4", "a4d4", "a4f4", "b2b3", "b2b4", "c1d2", "c1e3", "c1f4", "c2c3", "c2c4", "d3b5", "d3c4", "f1d1", "f2f3", "f2f4", "g1h1", "g2g3", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 15 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "a4a8", "probabilities": { "c1f4": 0.03, "c2c4": 0.03, "c1e3": 0.04, "b2b3": 0.01, "h2h3": 0.01, "f1d1": 0.04, "a4b4": 0.03, "a4b3": 0.03, "f2f4": 0.02, "a4c4": 0.04, "d3b5": 0.06, "a4a7": 0.09, "b2b4": 0.02, "h2h4": 0.01, "a4a8": 0.1, "a4b5": 0.07, "a1b1": 0.02, "d3c4": 0.06, "g1h1": 0.01, "c2c3": 0.01, "f2f3": 0.02, "a4a5": 0.04, "a4a3": 0.04, "c1d2": 0.03, "a2a3": 0.01, "g2g3": 0.01, "a4f4": 0.06, "a4d4": 0.06 }, "confidence": 0.07 } }, "usage": { "input_tokens": 1817, "output_tokens": 300, "cost": 7.6314e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "Qn3knr/2p1b3/3pq1p1/7p/5p2/3B4/PPP2PPP/R1B2RK1 w - - 0 24", "board": "8 Q n . . . k n r\n7 . . p . b . . .\n6 . . . p q . p .\n5 . . . . . . . p\n4 . . . . . p . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 11, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rb1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "a8a3": "Qa3; estimated immediate material change: +0.00 pawns", "a8a4": "Qa4; estimated immediate material change: +0.00 pawns", "a8a5": "Qa5; estimated immediate material change: +0.00 pawns", "a8a7": "Qa7; estimated immediate material change: +0.00 pawns", "a8b7": "Qb7; estimated immediate material change: +0.00 pawns", "a8b8": "Qxb8+; estimated immediate material change: +3.20 pawns", "a8e4": "Qe4; estimated immediate material change: +0.00 pawns", "a8f3": "Qf3; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1f4": "Bxf4; estimated immediate material change: +1.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "d3a6": "Ba6; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "d3e4": "Be4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -580, "reply": "b8a6" }, "a8a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 320, "reply": null }, "a8c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "b8c6" }, "a8d5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6d5" }, "a8e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a8f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "f4e3" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6c4" }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6f5" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "e6g6" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a1b1", "a2a3", "a2a4", "a8a3", "a8a4", "a8a5", "a8a7", "a8b7", "a8b8", "a8e4", "a8f3", "b2b3", "b2b4", "c1d2", "c1f4", "c2c3", "c2c4", "d3a6", "d3b5", "d3e4", "f1d1", "f2f3", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 36, "excluded_count": 11 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "a8b8", "probabilities": { "a2a3": 0, "c2c4": 0, "a8b7": 0.01, "b2b3": 0, "a1b1": 0, "d3e4": 0, "a8a4": 0.02, "g1h1": 0, "a8a3": 0.01, "b2b4": 0, "d3b5": 0.01, "a8a7": 0.01, "f2f3": 0, "c1f4": 0.09, "f1d1": 0, "c2c3": 0, "h2h3": 0, "a8a5": 0.01, "a8f3": 0, "g2g3": 0, "c1d2": 0, "d3a6": 0, "a8e4": 0.01, "a8b8": 0.83, "a2a4": 0 }, "confidence": 0.81 } }, "usage": { "input_tokens": 1744, "output_tokens": 270, "cost": 7.3248e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "1Q4nr/2p1b1k1/3pq1p1/7p/5p2/3B4/PPP2PPP/R1B2RK1 w - - 1 25", "board": "8 . Q . . . . n r\n7 . . p . b . k .\n6 . . . p q . p .\n5 . . . . . . . p\n4 . . . . . p . .\n3 . . . B . . . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 15, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "b8a7": "Qa7; estimated immediate material change: +0.00 pawns", "b8a8": "Qa8; estimated immediate material change: +0.00 pawns", "b8b3": "Qb3; estimated immediate material change: +0.00 pawns", "b8b4": "Qb4; estimated immediate material change: +0.00 pawns", "b8b5": "Qb5; estimated immediate material change: +0.00 pawns", "b8b7": "Qb7; estimated immediate material change: +0.00 pawns", "b8c7": "Qxc7; estimated immediate material change: +1.00 pawns", "b8e8": "Qe8; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1f4": "Bxf4; estimated immediate material change: +1.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "d3a6": "Ba6; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f2f3": "f3; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6a2" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8a8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "c7b6" }, "b8b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "b8c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6c8" }, "b8d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d8" }, "b8e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b8f8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g7f8" }, "b8g8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -580, "reply": "g7g8" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f4e3" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6c4" }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6f5" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "g7g6" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "f2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e7h4" } }, "offered": [ "a2a3", "a2a4", "b2b3", "b2b4", "b8a7", "b8a8", "b8b3", "b8b4", "b8b5", "b8b7", "b8c7", "b8e8", "c1d2", "c1f4", "c2c3", "c2c4", "d3a6", "d3b5", "f1d1", "f2f3", "g1h1", "g2g3", "h2h3" ], "reason": "no_detected_immediate_material_loss", "legal_count": 38, "excluded_count": 15 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "b8c7", "probabilities": { "b8b4": 0.01, "b8a8": 0.02, "b8c7": 0.47, "c1d2": 0.01, "b8e8": 0.05, "c2c3": 0, "b8a7": 0.03, "b2b3": 0, "c1f4": 0.28, "a2a3": 0.01, "b8b3": 0.02, "b8b5": 0.02, "d3a6": 0.01, "g1h1": 0, "h2h3": 0, "b2b4": 0, "a2a4": 0.01, "b8b7": 0.01, "f1d1": 0.01, "g2g3": 0.01, "d3b5": 0.01, "c2c4": 0.01, "f2f3": 0.01 }, "confidence": 0.45 } }, "usage": { "input_tokens": 1702, "output_tokens": 250, "cost": 7.1484e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "6nr/2Q1b1k1/3pq1p1/7p/8/3B1p2/PPP2PPP/R1B2RK1 w - - 0 26", "board": "8 . . . . . . n r\n7 . . Q . b . k .\n6 . . . p q . p .\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . B . p . .\n2 P P P . . P P P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 14, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c1g5": "Bg5; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c7a5": "Qa5; estimated immediate material change: +0.00 pawns", "c7a7": "Qa7; estimated immediate material change: +0.00 pawns", "c7b6": "Qb6; estimated immediate material change: +0.00 pawns", "c7b7": "Qb7; estimated immediate material change: +0.00 pawns", "c7b8": "Qb8; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3+; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6; estimated immediate material change: +0.00 pawns", "d3a6": "Ba6; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "g2f3": "gxf3; estimated immediate material change: +1.00 pawns", "g2g3": "g3; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6a2" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "g7h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6c8" }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "e7d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d8" }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "g8e7" }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e4" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6f5" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "g7g6" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2f3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "g2g3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g2g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6g4" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a2a3", "a2a4", "b2b3", "b2b4", "c1d2", "c1e3", "c1f4", "c1g5", "c2c3", "c2c4", "c7a5", "c7a7", "c7b6", "c7b7", "c7b8", "c7c3", "c7c4", "c7c6", "d3a6", "d3b5", "d3c4", "f1d1", "g1h1", "g2f3", "g2g3", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 41, "excluded_count": 14 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "g2f3", "probabilities": { "c2c4": 0.01, "b2b3": 0, "c7c4": 0.02, "d3a6": 0.02, "c1e3": 0.01, "g2g3": 0.01, "d3b5": 0.02, "c7a7": 0.03, "d3c4": 0.04, "c7b7": 0.02, "c1g5": 0.01, "c7b6": 0.03, "h2h3": 0, "h2h4": 0.01, "c1d2": 0.01, "a2a3": 0.01, "c7a5": 0.07, "b2b4": 0.01, "c2c3": 0.01, "c7c6": 0.03, "c7b8": 0.03, "c7c3": 0.060000000000000005, "g1h1": 0, "c1f4": 0.02, "g2f3": 0.49, "a2a4": 0.01, "f1d1": 0.02 }, "confidence": 0.48 } }, "usage": { "input_tokens": 1829, "output_tokens": 290, "cost": 7.6818e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "7r/2Q1b1k1/3pq1pn/7p/8/3B1P2/PPP2P1P/R1B2RK1 w - - 1 27", "board": "8 . . . . . . . r\n7 . . Q . b . k .\n6 . . . p q . p n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . B . P . .\n2 P P P . . P . P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 14, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2b3": "b3; estimated immediate material change: +0.00 pawns", "b2b4": "b4; estimated immediate material change: +0.00 pawns", "c1d2": "Bd2; estimated immediate material change: +0.00 pawns", "c1e3": "Be3; estimated immediate material change: +0.00 pawns", "c1f4": "Bf4; estimated immediate material change: +0.00 pawns", "c1g5": "Bg5; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c7a5": "Qa5; estimated immediate material change: +0.00 pawns", "c7a7": "Qa7; estimated immediate material change: +0.00 pawns", "c7b6": "Qb6; estimated immediate material change: +0.00 pawns", "c7b7": "Qb7; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3+; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6; estimated immediate material change: +0.00 pawns", "d3a6": "Ba6; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "d3e4": "Be4; estimated immediate material change: +0.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f3f4": "f4; estimated immediate material change: +0.00 pawns", "g1g2": "Kg2; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6a2" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -10, "reply": "g7h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h8b8" }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h8c8" }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "e7d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h8d8" }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "e6e7" }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h6f5" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -230, "reply": "g7g6" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1g2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6h3" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a2a3", "a2a4", "b2b3", "b2b4", "c1d2", "c1e3", "c1f4", "c1g5", "c2c3", "c2c4", "c7a5", "c7a7", "c7b6", "c7b7", "c7c3", "c7c4", "c7c6", "d3a6", "d3b5", "d3c4", "d3e4", "f1d1", "f3f4", "g1g2", "g1h1", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 40, "excluded_count": 14 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c7c3", "probabilities": { "d3a6": 0.06, "c1f4": 0.03, "d3e4": 0.06, "c7c4": 0.06, "c7b6": 0.05, "h2h4": 0.01, "f1d1": 0.03, "g1g2": 0.01, "c1e3": 0.02, "c7a7": 0.06, "c7b7": 0.05, "c2c4": 0.01, "c2c3": 0.01, "a2a4": 0.02, "d3b5": 0.03, "f3f4": 0.03, "g1h1": 0.01, "c7c3": 0.14, "a2a3": 0.01, "c1g5": 0.03, "c7c6": 0.05, "b2b4": 0.02, "c1d2": 0.02, "c7a5": 0.12, "b2b3": 0.01, "d3c4": 0.05 }, "confidence": 0.1 } }, "usage": { "input_tokens": 1814, "output_tokens": 280, "cost": 7.6188e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "7r/6k1/3pqbpn/7p/8/2QB1P2/PPP2P1P/R1B2RK1 w - - 3 28", "board": "8 . . . . . . . r\n7 . . . . . . k .\n6 . . . p q b p n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . Q B . P . .\n2 P P P . . P . P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 29, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "c3a3": "Qa3; estimated immediate material change: +0.00 pawns", "c3a5": "Qa5; estimated immediate material change: +0.00 pawns", "c3b3": "Qb3; estimated immediate material change: +0.00 pawns", "c3b4": "Qb4; estimated immediate material change: +0.00 pawns", "c3c4": "Qc4; estimated immediate material change: +0.00 pawns", "c3c6": "Qc6; estimated immediate material change: +0.00 pawns", "c3c7": "Qc7+; estimated immediate material change: +0.00 pawns", "c3d2": "Qd2; estimated immediate material change: +0.00 pawns", "c3e1": "Qe1; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6c3" }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6c3" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -10, "reply": "g7h6" }, "c3a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c3c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h8c8" }, "c3d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6d4" }, "c3e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c3e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6e5" }, "c3f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "g7f6" }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -470, "reply": "f6c3" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "g1g2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" } }, "offered": [ "c3a3", "c3a5", "c3b3", "c3b4", "c3c4", "c3c6", "c3c7", "c3d2", "c3e1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 38, "excluded_count": 29 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c3c7", "probabilities": { "c3b4": 0.09, "c3c6": 0.16, "c3e1": 0.04, "c3d2": 0.05, "c3c4": 0.11, "c3b3": 0.05, "c3a3": 0.11, "c3a5": 0.1, "c3c7": 0.29000000000000004 }, "confidence": 0.19 } }, "usage": { "input_tokens": 1332, "output_tokens": 110, "cost": 5.5944e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "6kr/2Q5/3pqbpn/7p/8/3B1P2/PPP2P1P/R1B2RK1 w - - 5 29", "board": "8 . . . . . . k r\n7 . . Q . . . . .\n6 . . . p q b p n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . B . P . .\n2 P P P . . P . P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 23, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c7a5": "Qa5; estimated immediate material change: +0.00 pawns", "c7a7": "Qa7; estimated immediate material change: +0.00 pawns", "c7b6": "Qb6; estimated immediate material change: +0.00 pawns", "c7b7": "Qb7; estimated immediate material change: +0.00 pawns", "c7b8": "Qb8+; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6; estimated immediate material change: +0.00 pawns", "d3a6": "Ba6; estimated immediate material change: +0.00 pawns", "d3b5": "Bb5; estimated immediate material change: +0.00 pawns", "d3c4": "Bc4; estimated immediate material change: +0.00 pawns", "d3e4": "Be4; estimated immediate material change: +0.00 pawns", "d3g6": "Bxg6; estimated immediate material change: +1.00 pawns", "f1d1": "Rd1; estimated immediate material change: +0.00 pawns", "f3f4": "f4; estimated immediate material change: +0.00 pawns", "g1g2": "Kg2; estimated immediate material change: +0.00 pawns", "g1h1": "Kh1; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6a2" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2b3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "f6a1" }, "b2b4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "f6a1" }, "c1d2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6b2" }, "c1e3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6b2" }, "c1f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6b2" }, "c1g5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f6g5" }, "c1h6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -10, "reply": "h8h6" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -570, "reply": "f6c3" }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6c8" }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "e6d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e6d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6d8" }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f6e7" }, "c7f7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g8f7" }, "c7g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g8g7" }, "c7h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g8h7" }, "d3a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3b5": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3e2": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e6e2" }, "d3e4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "d3f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h6f5" }, "d3g6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 100, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -500, "reply": "e6e1" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1g2": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "e6h3" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "f6h4" } }, "offered": [ "a2a3", "a2a4", "c2c3", "c2c4", "c7a5", "c7a7", "c7b6", "c7b7", "c7b8", "c7c4", "c7c6", "d3a6", "d3b5", "d3c4", "d3e4", "d3g6", "f1d1", "f3f4", "g1g2", "g1h1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 23 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d3g6", "probabilities": { "f1d1": 0.01, "c7b6": 0.02, "c7a5": 0.05, "d3g6": 0.5, "a2a4": 0.01, "g1h1": 0.01, "c7b8": 0.18, "a2a3": 0, "d3a6": 0.02, "d3e4": 0.03, "g1g2": 0.01, "c2c4": 0.01, "c7c6": 0.03, "d3b5": 0.01, "c7a7": 0.03, "d3c4": 0.02, "c7c4": 0.02, "c7b7": 0.02, "f3f4": 0.01, "c2c3": 0.01 }, "confidence": 0.48 } }, "usage": { "input_tokens": 1665, "output_tokens": 220, "cost": 6.993e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "6kr/2Q5/3pq1Bn/7p/8/5P2/PbP2P1P/R1B2RK1 w - - 0 30", "board": "8 . . . . . . k r\n7 . . Q . . . . .\n6 . . . p q . B n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P b P . . P . P\n1 R . B . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 39, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. 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Q . . . . .\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": true, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 0, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "g1h1": "Kh1; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "g1h1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "g1h1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 1, "excluded_count": 0 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "g1h1", "probabilities": { "g1h1": 1 }, "confidence": 1 } }, "usage": { "input_tokens": 1132, "output_tokens": 30, "cost": 4.7544e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "6k1/2Q4r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 2 32", "board": "8 . . . . . . k .\n7 . . Q . . . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 35, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "c7b8": "Qb8+; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4+; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6; estimated immediate material change: +0.00 pawns", "c7c8": "Qc8+; estimated immediate material change: +0.00 pawns", "c7d8": "Qd8+; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7a7" }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7b7" }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7e7" }, "c7f7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "g8f7" }, "c7g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -730, "reply": "h7g7" }, "c7h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "g8h7" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" } }, "offered": [ "c7b8", "c7c3", "c7c4", "c7c6", "c7c8", "c7d8" ], "reason": "no_detected_immediate_material_loss", "legal_count": 41, "excluded_count": 35 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c7c8", "probabilities": { "c7c3": 0.12, "c7d8": 0.19, "c7c8": 0.26, "c7b8": 0.23, "c7c4": 0.12, "c7c6": 0.08 }, "confidence": 0.11 } }, "usage": { "input_tokens": 1302, "output_tokens": 80, "cost": 5.4684e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "2Q5/5k1r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 4 33", "board": "8 . . Q . . . . .\n7 . . . . . k . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 17, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rab1; estimated immediate material change: +0.00 pawns", "a1c1": "Rac1; estimated immediate material change: +0.00 pawns", "a1d1": "Rad1; estimated immediate material change: +0.00 pawns", "a1e1": "Rae1; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2a3": "Ba3; estimated immediate material change: +0.00 pawns", "b2c1": "Bc1; estimated immediate material change: +0.00 pawns", "b2d4": "Bd4; estimated immediate material change: +0.00 pawns", "b2h8": "Bh8; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c8b7": "Qb7+; estimated immediate material change: +0.00 pawns", "c8c3": "Qc3; estimated immediate material change: +0.00 pawns", "c8c4": "Qc4+; estimated immediate material change: +0.00 pawns", "c8c6": "Qc6; estimated immediate material change: +0.00 pawns", "c8c7": "Qc7+; estimated immediate material change: +0.00 pawns", "c8d7": "Qd7+; estimated immediate material change: +0.00 pawns", "f1b1": "Rfb1; estimated immediate material change: +0.00 pawns", "f1c1": "Rfc1; estimated immediate material change: +0.00 pawns", "f1d1": "Rfd1; estimated immediate material change: +0.00 pawns", "f1e1": "Rfe1; estimated immediate material change: +0.00 pawns", "f1g1": "Rg1; estimated immediate material change: +0.00 pawns", "f3f4": "f4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d6e5" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "f7f6" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8a8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c8c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f7e6" }, "c8e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f7e8" }, "c8f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h6f5" }, "c8f8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f7f8" }, "c8g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "c8g8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f7g8" }, "c8h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "h7h8" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a1c1", "a1d1", "a1e1", "a2a3", "a2a4", "b2a3", "b2c1", "b2d4", "b2h8", "c2c3", "c2c4", "c8b7", "c8c3", "c8c4", "c8c6", "c8c7", "c8d7", "f1b1", "f1c1", "f1d1", "f1e1", "f1g1", "f3f4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 17 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c8c7", "probabilities": { "b2d4": 0.04, "c8c6": 0.04, "a2a3": 0.01, "f1b1": 0.02, "c8c3": 0.05, "a1b1": 0.02, "f1e1": 0.02, "b2a3": 0.04, "f1g1": 0.03, "a2a4": 0.01, "h2h3": 0.01, "a1d1": 0.02, "c8c7": 0.16999999999999998, "b2c1": 0.01, "c8c4": 0.12, "b2h8": 0.02, "c2c3": 0.02, "a1e1": 0.01, "f1c1": 0.02, "c8d7": 0.12, "a1c1": 0.03, "c2c4": 0.01, "c8b7": 0.11, "f1d1": 0.02, "h2h4": 0.01, "f3f4": 0.02 }, "confidence": 0.14 } }, "usage": { "input_tokens": 1902, "output_tokens": 280, "cost": 7.9884e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "5k2/2Q4r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 6 34", "board": "8 . . . . . k . .\n7 . . Q . . . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7", "c8c7", "f7f8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 35, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "c7b8": "Qb8+; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6; estimated immediate material change: +0.00 pawns", "c7c8": "Qc8+; estimated immediate material change: +0.00 pawns", "c7d8": "Qd8+; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7a7" }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7b7" }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f8e7" }, "c7f7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "f8f7" }, "c7g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -730, "reply": "h7g7" }, "c7h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "g6h7" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" } }, "offered": [ "c7b8", "c7c3", "c7c4", "c7c6", "c7c8", "c7d8" ], "reason": "no_detected_immediate_material_loss", "legal_count": 41, "excluded_count": 35 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c7c8", "probabilities": { "c7d8": 0.2, "c7c3": 0.1, "c7c4": 0.07, "c7c6": 0.06, "c7b8": 0.27, "c7c8": 0.3 }, "confidence": 0.16 } }, "usage": { "input_tokens": 1329, "output_tokens": 80, "cost": 5.5818e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "2Q5/4k2r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 8 35", "board": "8 . . Q . . . . .\n7 . . . . k . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7", "c8c7", "f7f8", "c7c8", "f8e7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 18, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rab1; estimated immediate material change: +0.00 pawns", "a1c1": "Rac1; estimated immediate material change: +0.00 pawns", "a1d1": "Rad1; estimated immediate material change: +0.00 pawns", "a1e1": "Rae1+; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2a3": "Ba3; estimated immediate material change: +0.00 pawns", "b2c1": "Bc1; estimated immediate material change: +0.00 pawns", "b2d4": "Bd4; estimated immediate material change: +0.00 pawns", "b2h8": "Bh8; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c8b7": "Qb7+; estimated immediate material change: +0.00 pawns", "c8c3": "Qc3; estimated immediate material change: +0.00 pawns", "c8c4": "Qc4; estimated immediate material change: +0.00 pawns", "c8c6": "Qc6; estimated immediate material change: +0.00 pawns", "c8c7": "Qc7+; estimated immediate material change: +0.00 pawns", "f1b1": "Rfb1; estimated immediate material change: +0.00 pawns", "f1c1": "Rfc1; estimated immediate material change: +0.00 pawns", "f1d1": "Rfd1; estimated immediate material change: +0.00 pawns", "f1e1": "Rfe1+; estimated immediate material change: +0.00 pawns", "f1g1": "Rg1; estimated immediate material change: +0.00 pawns", "f3f4": "f4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d6e5" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7f6" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8a8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c8c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d7" }, "c8d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d8" }, "c8e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7e6" }, "c8e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7e8" }, "c8f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h6f5" }, "c8f8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7f8" }, "c8g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "c8g8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h6g8" }, "c8h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "h7h8" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a1c1", "a1d1", "a1e1", "a2a3", "a2a4", "b2a3", "b2c1", "b2d4", "b2h8", "c2c3", "c2c4", "c8b7", "c8c3", "c8c4", "c8c6", "c8c7", "f1b1", "f1c1", "f1d1", "f1e1", "f1g1", "f3f4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 18 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c8c7", "probabilities": { "b2c1": 0.01, "c2c3": 0.02, "f1b1": 0.02, "f1d1": 0.02, "b2h8": 0.02, "a1e1": 0.06, "c8c4": 0.05, "c8c7": 0.2, "c8c3": 0.06, "f1g1": 0.04, "h2h3": 0.01, "b2a3": 0.03, "a2a4": 0.01, "f3f4": 0.03, "a1d1": 0.02, "h2h4": 0.01, "c8b7": 0.13, "c8c6": 0.05, "b2d4": 0.02, "c2c4": 0.01, "f1e1": 0.12, "a1b1": 0.01, "a1c1": 0.02, "f1c1": 0.02, "a2a3": 0.01 }, "confidence": 0.15 } }, "usage": { "input_tokens": 1900, "output_tokens": 270, "cost": 7.98e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "4k3/2Q4r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 10 36", "board": "8 . . . . k . . .\n7 . . Q . . . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7", "c8c7", "f7f8", "c7c8", "f8e7", "c8c7", "e7e8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 34, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1e1": "Rae1+; estimated immediate material change: +0.00 pawns", "c7b8": "Qb8+; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6+; estimated immediate material change: +0.00 pawns", "c7c8": "Qc8+; estimated immediate material change: +0.00 pawns", "f1e1": "Rfe1+; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7a7" }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7b7" }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8d8" }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8e7" }, "c7f7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8f7" }, "c7g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -730, "reply": "h7g7" }, "c7h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "g6h7" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" } }, "offered": [ "a1e1", "c7b8", "c7c3", "c7c4", "c7c6", "c7c8", "f1e1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 41, "excluded_count": 34 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c7c8", "probabilities": { "c7c3": 0.08, "f1e1": 0.08, "c7c8": 0.29, "a1e1": 0.14, "c7c6": 0.16, "c7b8": 0.16, "c7c4": 0.09 }, "confidence": 0.18 } }, "usage": { "input_tokens": 1390, "output_tokens": 90, "cost": 5.838e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "2Q5/4k2r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 12 37", "board": "8 . . Q . . . . .\n7 . . . . k . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7", "c8c7", "f7f8", "c7c8", "f8e7", "c8c7", "e7e8", "c7c8", "e8e7" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 18, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1b1": "Rab1; estimated immediate material change: +0.00 pawns", "a1c1": "Rac1; estimated immediate material change: +0.00 pawns", "a1d1": "Rad1; estimated immediate material change: +0.00 pawns", "a1e1": "Rae1+; estimated immediate material change: +0.00 pawns", "a2a3": "a3; estimated immediate material change: +0.00 pawns", "a2a4": "a4; estimated immediate material change: +0.00 pawns", "b2a3": "Ba3; estimated immediate material change: +0.00 pawns", "b2c1": "Bc1; estimated immediate material change: +0.00 pawns", "b2d4": "Bd4; estimated immediate material change: +0.00 pawns", "b2h8": "Bh8; estimated immediate material change: +0.00 pawns", "c2c3": "c3; estimated immediate material change: +0.00 pawns", "c2c4": "c4; estimated immediate material change: +0.00 pawns", "c8b7": "Qb7+; estimated immediate material change: +0.00 pawns", "c8c3": "Qc3; estimated immediate material change: +0.00 pawns", "c8c4": "Qc4; estimated immediate material change: +0.00 pawns", "c8c6": "Qc6; estimated immediate material change: +0.00 pawns", "c8c7": "Qc7+; estimated immediate material change: +0.00 pawns", "f1b1": "Rfb1; estimated immediate material change: +0.00 pawns", "f1c1": "Rfc1; estimated immediate material change: +0.00 pawns", "f1d1": "Rfd1; estimated immediate material change: +0.00 pawns", "f1e1": "Rfe1+; estimated immediate material change: +0.00 pawns", "f1g1": "Rg1; estimated immediate material change: +0.00 pawns", "f3f4": "f4; estimated immediate material change: +0.00 pawns", "h2h3": "h3; estimated immediate material change: +0.00 pawns", "h2h4": "h4; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "d6e5" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "e7f6" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8a6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8a8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c8c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8c7": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c8d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d7" }, "c8d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7d8" }, "c8e6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7e6" }, "c8e8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7e8" }, "c8f5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h6f5" }, "c8f8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e7f8" }, "c8g4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h5g4" }, "c8g8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h6g8" }, "c8h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c8h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "h7h8" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null } }, "offered": [ "a1b1", "a1c1", "a1d1", "a1e1", "a2a3", "a2a4", "b2a3", "b2c1", "b2d4", "b2h8", "c2c3", "c2c4", "c8b7", "c8c3", "c8c4", "c8c6", "c8c7", "f1b1", "f1c1", "f1d1", "f1e1", "f1g1", "f3f4", "h2h3", "h2h4" ], "reason": "no_detected_immediate_material_loss", "legal_count": 43, "excluded_count": 18 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c8c7", "probabilities": { "f1c1": 0.02, "b2h8": 0.02, "c8b7": 0.13, "h2h4": 0.01, "c8c7": 0.19, "a2a4": 0.01, "c2c4": 0.02, "h2h3": 0.01, "f1d1": 0.02, "f3f4": 0.03, "b2c1": 0.01, "b2a3": 0.03, "f1b1": 0.02, "f1e1": 0.1, "c8c3": 0.07, "b2d4": 0.02, "c8c4": 0.05, "a2a3": 0.01, "c2c3": 0.02, "f1g1": 0.04, "c8c6": 0.04, "a1e1": 0.07, "a1c1": 0.02, "a1b1": 0.02, "a1d1": 0.02 }, "confidence": 0.15 } }, "usage": { "input_tokens": 1929, "output_tokens": 270, "cost": 8.1018e-05 }, "provider": "TypeSafe" } }, { "request": { "model": "typesafe/jev-1.13", "state": { "fen": "4k3/2Q4r/3p2qn/7p/8/5P2/PBP2P1P/R4R1K w - - 14 38", "board": "8 . . . . k . . .\n7 . . Q . . . . r\n6 . . . p . . q n\n5 . . . . . . . p\n4 . . . . . . . .\n3 . . . . . P . .\n2 P B P . . P . P\n1 R . . . . R . K\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "a7a5", "g1f3", "f7f6", "b1c3", "d7d6", "d2d4", "e7e6", "f1b5", "e8f7", "e1g1", "g8e7", "d4d5", "e6d5", "e4d5", "e7g8", "f3d4", "f8e7", "d1h5", "g7g6", "h5f3", "a5a4", "c3a4", "a8a5", "f3a3", "f6f5", "a3b4", "a5a7", "b5c4", "f7e8", "d4e6", "c8e6", "d5e6", "h7h5", "c4b5", "e8f8", "b5d3", "d8c8", "b4c4", "b7b5", "c4b5", "a7a4", "b5a4", "c8e6", "a4a8", "f5f4", "a8b8", "f8g7", "b8c7", "f4f3", "g2f3", "g8h6", "c7c3", "e7f6", "c3c7", "g7g8", "d3g6", "f6b2", "c1b2", "e6g6", "g1h1", "h8h7", "c7c8", "g8f7", "c8c7", "f7f8", "c7c8", "f8e7", "c8c7", "e7e8", "c7c8", "e8e7", "c8c7", "e7e8" ], "tactical_filter": { "reason": "no_detected_immediate_material_loss", "excluded_moves": 34, "limits": "Only immediate opponent captures, legal same-square recapture sequences, and opponent mate in one checked. Not a full search; forks and later tactics may be missed." } }, "questions": { "move": { "type": "choice", "instructions": "Play standard chess as White. Choose the strongest legal move to win. Consider opponent replies, hanging pieces, threats, king safety and checkmate. Keys are UCI from-square/to-square (optional promotion), descriptions are SAN. Choose exactly one offered move. Prioritize winning material safely, protect ALL your pieces, develop pieces, castle and coordinate attacks. A check is not automatically a good move. Avoid repeated queen/rook checks without benefit. Never assume a defended piece is safe: trading a queen for a pawn loses material. Consider opponent captures and forks after every candidate. Finish with mate when available. The local filter is limited and not proof of safety.", "criteria": { "a1e1": "Rae1+; estimated immediate material change: +0.00 pawns", "c7b8": "Qb8+; estimated immediate material change: +0.00 pawns", "c7c3": "Qc3; estimated immediate material change: +0.00 pawns", "c7c4": "Qc4; estimated immediate material change: +0.00 pawns", "c7c6": "Qc6+; estimated immediate material change: +0.00 pawns", "c7c8": "Qc8+; estimated immediate material change: +0.00 pawns", "f1e1": "Rfe1+; estimated immediate material change: +0.00 pawns" } } } }, "safety": { "analysis": { "a1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "a2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "a2a4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2a3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2d4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2e5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2f6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "b2g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -330, "reply": "h7g7" }, "b2h8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c2c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "c7a5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7a7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7a7" }, "c7b6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -100, "reply": "g6c2" }, "c7b7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7b7" }, "c7b8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c3": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c4": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c5": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "d6c5" }, "c7c6": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7c8": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "c7d6": { "mate_now": false, "allows_mate": false, "material_delta_cp": -800, "reply": "g6d6" }, "c7d7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8d7" }, "c7d8": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8d8" }, "c7e7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8e7" }, "c7f7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "e8f7" }, "c7g7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -730, "reply": "h7g7" }, "c7h7": { "mate_now": false, "allows_mate": false, "material_delta_cp": -400, "reply": "g6h7" }, "f1b1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1c1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1d1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f1e1": { "mate_now": false, "allows_mate": false, "material_delta_cp": 0, "reply": null }, "f1g1": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "f3f4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h3": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" }, "h2h4": { "mate_now": false, "allows_mate": false, "material_delta_cp": -900, "reply": "h7c7" } }, "offered": [ "a1e1", "c7b8", "c7c3", "c7c4", "c7c6", "c7c8", "f1e1" ], "reason": "no_detected_immediate_material_loss", "legal_count": 41, "excluded_count": 34 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "c7c8", "probabilities": { "c7c3": 0.09, "f1e1": 0.1, "c7b8": 0.16, "a1e1": 0.16, "c7c4": 0.1, "c7c6": 0.15, "c7c8": 0.24000000000000002 }, "confidence": 0.1 } }, "usage": { "input_tokens": 1418, "output_tokens": 90, "cost": 5.9556e-05 }, "provider": "TypeSafe" } } ] }