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prdev/
chessbench-full-policy-value

tabular-classification

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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 = mate-in-N)… See the full description on the dataset page: https://huggingface.co/datasets/prdev/chessbench-full-policy-value.