35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
import chess
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from chesspp.i_strategy import IStrategy
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from chesspp.eval import score_stockfish
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import chess.engine
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class StockFishStrategy(IStrategy):
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def __init__(self, path="../stockfish/stockfish-windows-x86-64-avx2", rollout_depth: int = 4,
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limit: chess.engine.Limit = chess.engine.Limit(depth=4)):
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super().__init__(rollout_depth)
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self._stockfish = None
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self.path = path
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self.limit = limit
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def __del__(self):
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if self._stockfish is not None:
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self._stockfish.quit()
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@property
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def stockfish(self) -> chess.engine.SimpleEngine:
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if self._stockfish is None:
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self._stockfish = self.stockfish = chess.engine.SimpleEngine.popen_uci(self.path)
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return self._stockfish
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@stockfish.setter
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def stockfish(self, stockfish):
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self._stockfish = stockfish
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def pick_next_move(self, board: chess.Board) -> chess.Move | None:
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return self.stockfish.play(board, self.limit).move
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def analyze_board(self, board: chess.Board) -> int:
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return score_stockfish(board, self.stockfish)
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