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Lichess/
chess-position-evaluations

Name: chess-position-evaluations
Creator: Lichess
License: https://spdx.org/licenses/CC0-1.0.html

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	Dataset Card for the Lichess Evaluations dataset





	


	Dataset Description

394,669,566 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 957,860,115 rows. This dataset is updated monthly, and was last updated on July 8th, 2026.… See the full description on the dataset page: https://huggingface.co/datasets/Lichess/chess-position-evaluations.