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Dataset · Hugging Face

mateuszgrzyb/lichess-stockfish-normalized

Lichess Chess Positions: ML-Ready Deduplicated Evaluations Dataset Description A curated dataset of 316,072,343 unique chess positions with Stockfish evaluations, optimized for training neural networks. This is a deduplicated, ML-ready version of the Lichess evaluation database. Why This Dataset? While Lichess provides deduplicated evaluations in JSONL.zst format, and HuggingFace hosts the full (non-deduplicated) version, this dataset offers: Unique… See the full description on the dataset page: https://huggingface.co/datasets/mateuszgrzyb/lichess-stockfish-normalized.

Author / organizationmateuszgrzyb
License (as declared)cc-by-4.0
Downloads289 (as reported by Hugging Face)
Likes4
Created19 November 2025
Last updated at source19 November 2025
chesslichessstockfishposition-evaluationgame-ai
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  • 17 Oct 2026 Description: Lichess Chess Positions: ML-Ready Deduplicated Evaluations Dataset Description A curated dataset of 316,072,343 unique chess positions with Stockfish evaluations, optimized for training neural networks. This is a deduplicated, ML-ready vers → Lichess Chess Positions: ML-Ready Deduplicated Evaluations Dataset Description A curated dataset of 316,072,343 unique chess positions with Stockfish evaluations, optimized for training neural networks. This is a deduplicated, ML-ready vers

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