Maxlegrec/ChessFENS

📘 Chess FEN Dataset with WDL & Policy Vectors This dataset contains 732 million rows of chess positions stored in Parquet format. Each row includes the following fields: fen: A standard FEN string representing the current board position. wdl: A 3-element vector [win_prob, draw_prob, lose_prob] representing the win/draw/loss probabilities for the side to move. policy: A vector of 1858 elements representing the probability distribution over legal moves for the current position… See the full description on the dataset page: https://huggingface.co/datasets/Maxlegrec/ChessFENS.

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