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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++ 16k 2.9k

  2. fishtest fishtest Public

    The Stockfish testing framework

    Python 341 155

  3. nnue-pytorch nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    Python 477 144

  4. WDL_model WDL_model Public

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

    Python 34 17

  5. stockfish-web stockfish-web Public

    Website for stockfishchess.org

    SCSS 26 20

Repositories

Showing 10 of 11 repositories
  • docs Public
    official-stockfish/docs’s past year of commit activity
    TypeScript 1 4 0 0 Updated Jun 30, 2026
  • Stockfish Public

    A free and strong UCI chess engine

    official-stockfish/Stockfish’s past year of commit activity
    C++ 15,958 GPL-3.0 2,932 11 27 Updated Jun 30, 2026
  • nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    official-stockfish/nnue-pytorch’s past year of commit activity
    Python 477 GPL-3.0 144 14 21 Updated Jun 29, 2026
  • networks Public

    Evaluation networks for Stockfish

    official-stockfish/networks’s past year of commit activity
    20 CC0-1.0 14 0 0 Updated Jun 29, 2026
  • fishtest Public

    The Stockfish testing framework

    official-stockfish/fishtest’s past year of commit activity
    Python 341 155 85 29 Updated Jun 28, 2026
  • stockfish-wiki-bot Public
    official-stockfish/stockfish-wiki-bot’s past year of commit activity
    JavaScript 1 GPL-3.0 7 0 1 Updated May 20, 2026
  • docker-fishtest Public
    official-stockfish/docker-fishtest’s past year of commit activity
    Dockerfile 4 6 0 0 Updated May 19, 2026
  • books Public

    Chess books used to develop Stockfish

    official-stockfish/books’s past year of commit activity
    Python 181 CC0-1.0 40 1 4 Updated Apr 8, 2026
  • stockfish-web Public

    Website for stockfishchess.org

    official-stockfish/stockfish-web’s past year of commit activity
    SCSS 26 MIT 20 1 0 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 34 GPL-3.0 17 1 0 Updated Jan 16, 2026
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