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Stockfish

A free and strong UCI chess engine
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  1. Stockfish Stockfish Public

    A free and strong UCI chess engine

    C++ 17.1k 3.1k

  2. fishtest fishtest Public

    The Stockfish testing framework

    Python 362 165

  3. nnue-pytorch nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    Python 506 157

  4. WDL_model WDL_model Public

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

    Python 37 18

  5. stockfish-web stockfish-web Public

    Website for stockfishchess.org

    SCSS 30 23

Repositories

Showing 10 of 13 repositories
  • Stockfish Public

    A free and strong UCI chess engine

    official-stockfish/Stockfish's past year of commit activity
    C++ 17,095 GPL-3.0 3,110 16 36 Updated Oct 24, 2026
  • docs Public
    official-stockfish/docs's past year of commit activity
    TypeScript 1 4 0 0 Updated Oct 24, 2026
  • stockfish-wiki-bot Public
    official-stockfish/stockfish-wiki-bot's past year of commit activity
    JavaScript 1 GPL-3.0 9 0 4 Updated Oct 20, 2026
  • nnue-pytorch Public

    Stockfish NNUE (Chess evaluation) trainer in Pytorch

    official-stockfish/nnue-pytorch's past year of commit activity
    Python 506 GPL-3.0 157 13 10 Updated Oct 17, 2026
  • books Public

    Chess books used to develop Stockfish

    official-stockfish/books's past year of commit activity
    Python 191 CC0-1.0 41 1 4 Updated Oct 16, 2026
  • fishtest Public

    The Stockfish testing framework

    official-stockfish/fishtest's past year of commit activity
    Python 362 165 94 36 Updated Oct 13, 2026
  • networks Public

    Evaluation networks for Stockfish

    official-stockfish/networks's past year of commit activity
    24 CC0-1.0 15 0 0 Updated Oct 13, 2026
  • docker-fishtest Public
    official-stockfish/docker-fishtest's past year of commit activity
    Dockerfile 5 8 1 1 Updated Oct 3, 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 37 GPL-3.0 18 1 0 Updated Sep 27, 2026
  • compiler-images Public
    official-stockfish/compiler-images's past year of commit activity
    Dockerfile 0 0 0 0 Updated Sep 19, 2026
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