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P . . . .\n4 . . . . P . . .\n3 . . . . . . . .\n2 P P . P . P P P\n1 R N B Q K B N 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6" ], "engine_coach": { "reason": "near_best_engine_moves", "candidates": [ { "uci": "d1a4", "san": "Qa4", "score_cp": 72, "mate_in": null, "depth": 10, "pv": [ "d1a4", "c8d7", "a4b3", "f6e4", "b3b7", "d8b6", "b7b6", "a7b6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d5c6", "san": "dxc6", "score_cp": 67, "mate_in": null, "depth": 10, "pv": [ "d5c6", "b8c6", "b1c3", "e7e5", "g1f3", "f8c5", "f1b5", "e8g8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1c2", "san": "Qc2", "score_cp": 40, "mate_in": null, "depth": 10, "pv": [ "d1c2", "c6d5", "e4e5", "f6d7", "d2d4", "d7b6", "b1c3", "b8c6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "b1c3", "san": "Nc3", "score_cp": 35, "mate_in": null, "depth": 10, "pv": [ "b1c3", "c6d5", "e4e5", "d5d4", "e5f6", "d4c3", "f1b5", "b8c6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d2d3", "san": "d3", "score_cp": 12, "mate_in": null, "depth": 10, "pv": [ "d2d3", "c6d5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . .\n4 Q . . . P . . .\n3 . . . . . . . .\n2 P P . P . P P P\n1 R N B . K B N 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7" ], "engine_coach": { "reason": "near_best_engine_moves", "candidates": [ { "uci": "b1c3", "san": "Nc3", "score_cp": 96, "mate_in": null, "depth": 10, "pv": [ "b1c3", "d7b6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a4b3", "san": "Qb3", "score_cp": 12, "mate_in": null, "depth": 10, "pv": [ "a4b3", "c6d5", "e4d5", "g7g6", "g1f3", "f8g7", "d2d4", "e8g8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d2d4", "san": "d4", "score_cp": -5, "mate_in": null, "depth": 10, "pv": [ "d2d4", "d7b6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a4c2", "san": "Qc2", "score_cp": 53, "mate_in": null, "depth": 9, "pv": [ "a4c2", "c6d5", "e4d5", "g7g6", "d2d4", "f8g7", "b1c3", "e8g8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g1f3", "san": "Nf3", "score_cp": 40, "mate_in": null, "depth": 9, "pv": [ "g1f3", "d7b6", "a4c2", "c6d5", "d2d4", "d5e4", "c2e4" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P pawn, N knight, B bishop, R rook, Q queen, K king; . empty.", "you_play": "White", "in_check": false, "history_uci": [ "e2e4", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5" ], "engine_coach": { "reason": "near_best_engine_moves", "candidates": [ { "uci": "e4d5", "san": "exd5", "score_cp": 91, "mate_in": null, "depth": 11, "pv": [ "e4d5", "g7g6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g1f3", "san": "Nf3", "score_cp": 50, "mate_in": null, "depth": 10, "pv": [ "g1f3", "d5e4", "a4e4", "d7f6", "e4h4", "g7g6", "f1b5", "c8d7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "c3d5", "san": "Nxd5", "score_cp": 50, "mate_in": null, "depth": 10, "pv": [ "c3d5", "e7e6", "d5c3", "b8c6", "f1b5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "f1b5", "san": "Bb5", "score_cp": 28, "mate_in": null, "depth": 10, "pv": [ "f1b5", "d5e4", "a4e4", "e7e6", "g1f3", "a7a6", "b5a4" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d2d4", "san": "d4", "score_cp": -11, "mate_in": null, "depth": 10, "pv": [ "d2d4", "b8c6", "g1f3", "d5e4", "d4d5", "d7c5", "a4c4", "e7e5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . .\n4 Q . . . . . . .\n3 . . N . . . . .\n2 P P . P . P P P\n1 R . B . K B N R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . p\n4 Q . . . . . . P\n3 . . N . . N . .\n2 P P . P . P P .\n1 R . B . K B . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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P . . . p\n4 Q . . . . . . P\n3 . . N . . N P .\n2 P P . P . P . .\n1 R . B . 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "f1g2", "san": "Bg2", "score_cp": 289, "mate_in": null, "depth": 12, "pv": [ "f1g2", "e8g8", "d2d4", "d7b6", "a4b3", "h6c1", "a1c1", "c8f5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d2d4", "san": "d4", "score_cp": 271, "mate_in": null, "depth": 12, "pv": [ "d2d4", "h6c1", "a1c1", "e8g8", "a4b3", "d7f6", "f1g2", "b8d7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a4b3", "san": "Qb3", "score_cp": 262, "mate_in": null, "depth": 12, "pv": [ "a4b3", "d8b6", "d2d4", "b6b3", "a2b3", "h6c1", "a1c1", "d7f6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d2d3", "san": "d3", "score_cp": 214, "mate_in": null, "depth": 11, "pv": [ "d2d3", "h6g7", "d3d4", "e8g8", "f1g2", "d7b6", "a4b3", "a6a5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a4a3", "san": "Qa3", "score_cp": 186, "mate_in": null, "depth": 11, "pv": [ "a4a3", "d7b6", "d2d4", "h6g7", "a3b3", "e8g8", "f1g2", "a6a5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . p\n4 . . Q . . . . P\n3 . . N . . N P .\n2 P P . P . P B .\n1 R . B . K . . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . p\n4 . . Q P . . . P\n3 . . N . . N P .\n2 P P . . . P B .\n1 R . B . K . . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . . p\n4 . . . P . . . P\n3 . Q N . . N P .\n2 P P . . . P B .\n1 R . B . K . . R\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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P . . N p\n4 . . . P . . . P\n3 . Q N . . . P .\n2 P P . . . P B .\n1 R . . . 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "e1g1", "san": "O-O", "score_cp": 402, "mate_in": null, "depth": 12, "pv": [ "e1g1", "c8f5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a1c1", "san": "Rc1", "score_cp": 311, "mate_in": null, "depth": 11, "pv": [ "a1c1", "b8d7", "a2a4", "d7f6", "a4a5", "b6d7", "b3b4", "f6g8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "c3e2", "san": "Ne2", "score_cp": 300, "mate_in": null, "depth": 11, "pv": [ "c3e2", "b8d7", "e1g1", "d7f6", "e2f4", "d8d6", "f1e1", "f8e8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a2a3", "san": "a3", "score_cp": 286, "mate_in": null, "depth": 11, "pv": [ "a2a3", "b8d7", "a3a4", "a6a5", "e1g1", "d7f6", "f1e1", "c8f5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a2a4", "san": "a4", "score_cp": 237, "mate_in": null, "depth": 11, "pv": [ "a2a4", "a6a5", "e1g1", "b8a6", "f1e1", "a6b4", "e1e5", "c8g4" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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P . . N p\n4 . . . P . . . P\n3 . Q N . . . P .\n2 P P . . . P B .\n1 R . . . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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N p\n4 . . . P . . . P\n3 . Q N . . . P .\n2 P P . . . P B .\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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7", "e1g1", "b8d7", "d5d6", "e7d6" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "b3f7", "san": "Qxf7+", "score_cp": 612, "mate_in": null, "depth": 10, "pv": [ "b3f7", "f8f7", "g5e6", "g7g8", "e6d8", "f7e7", "d8b7", "c8b7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a2a4", "san": "a4", "score_cp": 441, "mate_in": null, "depth": 10, "pv": [ "a2a4", "a6a5", "b3f7", "f8f7", "g5e6", "g7g8", "e6d8", "f7e7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "c3d5", "san": "Nd5", "score_cp": 336, "mate_in": null, "depth": 10, "pv": [ "c3d5", "a6a5", "d5f4", "a5a4", "g5e6", "f7e6", "f4e6", "g7g8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g5e4", "san": "Nge4", "score_cp": 163, "mate_in": null, "depth": 10, "pv": [ "g5e4", "d7b8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a1e1", "san": "Rae1", "score_cp": 222, "mate_in": null, "depth": 9, "pv": [ "a1e1", "d7f6", "c3e2", "a6a5", "e2f4", "a5a4", "b3c3", "c8f5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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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N p\n4 . . . P . . . P\n3 . . N . . . P .\n2 P P . . . P B .\n1 R . . . . R K .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 R . R . . . . .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7", "e1g1", "b8d7", "d5d6", "e7d6", "b3f7", "f8f7", "g5e6", "g7h7", "e6d8", "f7f6", "f1e1", "h7h6", "c3e4", "f6f8", "d8e6", "d7c5", "e6c5", "d6c5", "d4c5", "c8e6", "c5b6", "e6g8", "e1c1", "a8c8", "b2b3", "g8d5", "e4g5", "d5g2", "g1g2", "f8e8", "c1c7", "c8c7" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "b6c7", "san": "bxc7", "score_cp": 1218, "mate_in": null, "depth": 12, "pv": [ "b6c7", "e8c8", "g5f7", "h6g7", "f7d6", "c8c7", "d6e8", "g7h6" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a1d1", "san": "Rd1", "score_cp": 28, "mate_in": null, "depth": 12, "pv": [ "a1d1", "c7e7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a1e1", "san": "Re1", "score_cp": 28, "mate_in": null, "depth": 11, "pv": [ "a1e1", "c7c8", "e1d1", "e8e7", "d1d6", "c8c2", "a2a4", "c2e2" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "a2a4", "san": "a4", "score_cp": -53, "mate_in": null, "depth": 11, "pv": [ "a2a4", "c7c3", "a1b1", "h6g7", "b1d1", "e8e7", "d1d6", "c3b3" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g3g4", "san": "g4", "score_cp": -159, "mate_in": null, "depth": 11, "pv": [ "g3g4", "c7c6", "a1d1", "e8e7", "d1d8", "c6b6", "g2g3", "h6g7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. 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P . . . . .\n6 p . . . . . p k\n5 . p . . . . N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 R . . . . . . .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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P . r . . .\n6 p . . . . . p k\n5 . p . . . . N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 . . . 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7", "e1g1", "b8d7", "d5d6", "e7d6", "b3f7", "f8f7", "g5e6", "g7h7", "e6d8", "f7f6", "f1e1", "h7h6", "c3e4", "f6f8", "d8e6", "d7c5", "e6c5", "d6c5", "d4c5", "c8e6", "c5b6", "e6g8", "e1c1", "a8c8", "b2b3", "g8d5", "e4g5", "d5g2", "g1g2", "f8e8", "c1c7", "c8c7", "b6c7", "b7b5", "a1d1", "e8e7" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "c7c8q", "san": "c8=Q", "score_cp": 99996, "mate_in": 4, "depth": 14, "pv": [ "c7c8q", "e7h7", "c8f8", "h7g7", "f8h8", "g7h7", "h8h7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d7", "san": "Rd7", "score_cp": 99994, "mate_in": 6, "depth": 14, "pv": [ "d1d7", "h6g7", "d7e7", "g7f6", "e7e6", "f6f5", "c7c8r", "b5b4" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d8", "san": "Rd8", "score_cp": 1384, "mate_in": null, "depth": 13, "pv": [ "d1d8", "e7c7", "d8h8", "h6g7", "h8h7", "g7f8", "g5e6", "f8e8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "c7c8r", "san": "c8=R", "score_cp": 1367, "mate_in": null, "depth": 13, "pv": [ "c7c8r", "a6a5", "c8h8", "h6g7", "h8h7", "g7f6", "d1d6", "f6e5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1c1", "san": "Rc1", "score_cp": 1344, "mate_in": null, "depth": 13, "pv": [ "d1c1", "h6g7", "b3b4", "e7e8", "c7c8q", "e8c8", "c1c8", "a6a5" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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 . . . . .\n7 . . . . r . k .\n6 p . . . . . p .\n5 . p . . . . N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 . . . R . . . .\n a b c d e f g h", "legend": "Uppercase = White, lowercase = Black. 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N p\n4 . . . . . . . P\n3 . P Q . . . P .\n2 P . . . . P K .\n1 . . . 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7", "e1g1", "b8d7", "d5d6", "e7d6", "b3f7", "f8f7", "g5e6", "g7h7", "e6d8", "f7f6", "f1e1", "h7h6", "c3e4", "f6f8", "d8e6", "d7c5", "e6c5", "d6c5", "d4c5", "c8e6", "c5b6", "e6g8", "e1c1", "a8c8", "b2b3", "g8d5", "e4g5", "d5g2", "g1g2", "f8e8", "c1c7", "c8c7", "b6c7", "b7b5", "a1d1", "e8e7", "c7c8q", "h6g7", "c8c3", "e7e5" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "c3e5", "san": "Qxe5+", "score_cp": 99998, "mate_in": 2, "depth": 41, "pv": [ "c3e5", "g7f8", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "c3c7", "san": "Qc7+", "score_cp": 99997, "mate_in": 3, "depth": 41, "pv": [ "c3c7", "e5e7", "c7e7", "g7h6", "e7h7" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d7", "san": "Rd7+", "score_cp": 99997, "mate_in": 3, "depth": 41, "pv": [ "d1d7", "g7f8", "g5e6", "e5e6", "c3h8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "f2f4", "san": "f4", "score_cp": 99997, "mate_in": 3, "depth": 41, "pv": [ "f2f4", "g7f8", "c3e5", "a6a5", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d6", "san": "Rd6", "score_cp": 99997, "mate_in": 3, "depth": 41, "pv": [ "d1d6", "g7f8", "c3e5", "a6a5", "d6d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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 . N p\n4 . . . . . . . P\n3 . P . . . . P .\n2 P . . . . P K .\n1 . . . 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", "c7c6", "c2c4", "d7d5", "c4d5", "g8f6", "d1a4", "f6d7", "b1c3", "c6d5", "e4d5", "g7g6", "g1f3", "a7a6", "h2h4", "h7h5", "g2g3", "f8h6", "f1g2", "e8g8", "a4b3", "d7c5", "b3c4", "c5d7", "d2d4", "d7b6", "c4b3", "g8g7", "c1h6", "g7h6", "f3g5", "h6g7", "e1g1", "b8d7", "d5d6", "e7d6", "b3f7", "f8f7", "g5e6", "g7h7", "e6d8", "f7f6", "f1e1", "h7h6", "c3e4", "f6f8", "d8e6", "d7c5", "e6c5", "d6c5", "d4c5", "c8e6", "c5b6", "e6g8", "e1c1", "a8c8", "b2b3", "g8d5", "e4g5", "d5g2", "g1g2", "f8e8", "c1c7", "c8c7", "b6c7", "b7b5", "a1d1", "e8e7", "c7c8q", "h6g7", "c8c3", "e7e5", "c3e5", "g7f8" ], "engine_coach": { "reason": "near_best_engine_moves; avoid_repetition_while_winning", "candidates": [ { "uci": "d1d8", "san": "Rd8#", "score_cp": 99999, "mate_in": 1, "depth": 238, "pv": [ "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d6", "san": "Rd6", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "d1d6", "a6a5", "d6d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "f2f4", "san": "f4", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "f2f4", "a6a5", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g3g4", "san": "g4", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "g3g4", "a6a5", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "e5f6", "san": "Qf6+", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "e5f6", "f8e8", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "limits": "Stockfish shortlist and evaluations, not a guarantee. Choose only from offered criteria. Preserve winning advantage, avoid repetitions when ahead. Engine scores are not win probabilities." } }, "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": { "d1d8": "Rd8#; engine evaluation for White: +999.99 pawns; mate distance: 1; repeated position: False" } } } }, "safety": { "kind": "engine", "engine": { "name": "Stockfish 14.1", "author": "the Stockfish developers (see AUTHORS file)" }, "nodes_budget": 100000, "candidates": [ { "uci": "d1d8", "san": "Rd8#", "score_cp": 99999, "mate_in": 1, "depth": 238, "pv": [ "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "d1d6", "san": "Rd6", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "d1d6", "a6a5", "d6d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "f2f4", "san": "f4", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "f2f4", "a6a5", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "g3g4", "san": "g4", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "g3g4", "a6a5", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false }, { "uci": "e5f6", "san": "Qf6+", "score_cp": 99998, "mate_in": 2, "depth": 238, "pv": [ "e5f6", "f8e8", "d1d8" ], "repeats_position": false, "opponent_can_claim_draw": false, "automatic_draw": false } ], "offered": [ "d1d8" ], "reason": "near_best_engine_moves; avoid_repetition_while_winning", "legal_count": 54, "excluded_count": 53 }, "response": { "model": "typesafe/jev-1.13-20260917", "answers": { "move": { "type": "choice", "choice": "d1d8", "probabilities": { "d1d8": 1 }, "confidence": 1 } }, "usage": { "input_tokens": 1752, "output_tokens": 30, "cost": 7.3584e-05 }, "provider": "TypeSafe" } } ] }