prdev/chessbench-full-policy-value

ChessBenchmate Aggregated Dataset This dataset is a transformed version of the ChessBenchmate dataset, aggregating all legal moves and their Stockfish evaluations per chess position. Dataset Structure Each record contains: fen: Chess position in FEN notation moves: Dictionary mapping UCI moves to their evaluations win_prob: Win probability from 0.0 to 1.0 (Stockfish evaluation) mate: Mate indicator (None = no forced mate, '#' = immediate checkmate, integer =… See the full description on the dataset page: https://huggingface.co/datasets/prdev/chessbench-full-policy-value.