Lichess/chess-position-evaluations

Dataset Card for the Lichess Evaluations dataset Dataset Description 416,442,401 chess positions evaluated with Stockfish at various depths and node count. Produced by, and for, the Lichess analysis board, running various flavours of Stockfish within user browsers. This version of the dataset is a de-normalized version of the original dataset and contains 1,003,347,246 rows. This dataset is updated monthly, and was last updated on October 7th, 2026.… See the full description on the dataset page: https://huggingface.co/datasets/Lichess/chess-position-evaluations.

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