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@official-stockfish

Stockfish

A free and strong UCI chess engine
README.md

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  1. Stockfish Stockfish Public

    A free and strong UCI chess engine

    C++ 14.9k 2.8k

  2. fishtest fishtest Public

    The Stockfish testing framework

    Python 335 146

  3. nnue-pytorch nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    Python 449 131

  4. WDL_model WDL_model Public

    Fit a chess Win-Draw-Loss model from played games

    Python 32 16

  5. stockfish-web stockfish-web Public

    Website for stockfishchess.org

    SCSS 24 19

Repositories

Showing 10 of 11 repositories
  • docs Public
    official-stockfish/docs’s past year of commit activity
    TypeScript 0 2 0 0 Updated Mar 6, 2026
  • nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    official-stockfish/nnue-pytorch’s past year of commit activity
    Python 449 GPL-3.0 131 17 17 Updated Mar 6, 2026
  • fishtest Public

    The Stockfish testing framework

    official-stockfish/fishtest’s past year of commit activity
    Python 335 146 85 31 Updated Mar 5, 2026
  • Stockfish Public

    A free and strong UCI chess engine

    official-stockfish/Stockfish’s past year of commit activity
    C++ 14,940 GPL-3.0 2,807 13 23 Updated Feb 28, 2026
  • docker-fishtest Public
    official-stockfish/docker-fishtest’s past year of commit activity
    Dockerfile 3 4 0 0 Updated Feb 22, 2026
  • networks Public

    Evaluation networks for Stockfish

    official-stockfish/networks’s past year of commit activity
    18 CC0-1.0 10 0 0 Updated Feb 18, 2026
  • stockfish-web Public

    Website for stockfishchess.org

    official-stockfish/stockfish-web’s past year of commit activity
    SCSS 24 MIT 19 1 1 Updated Feb 7, 2026
  • WDL_model Public

    Fit a chess Win-Draw-Loss model from played games

    official-stockfish/WDL_model’s past year of commit activity
    Python 32 GPL-3.0 16 1 0 Updated Jan 16, 2026
  • books Public

    Chess books used to develop Stockfish

    official-stockfish/books’s past year of commit activity
    Python 174 CC0-1.0 36 1 3 Updated Dec 20, 2025
  • stockfish-wiki-bot Public
    official-stockfish/stockfish-wiki-bot’s past year of commit activity
    JavaScript 1 GPL-3.0 4 0 1 Updated Aug 19, 2025
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