Feb 24, 2024 · Developed by a global community of chess enthusiasts and programmers and released under the GPLv3 license, so everyone can read the code, modify it, and contribute back.

Download Stockfish 17.1 Note: Stockfish is a command line program. You may want to use it in your own chess GUI.

Stockfish is a free, open-source, and cross-platform chess engine, trusted by grandmasters and leading chess platforms worldwide.

Mar 30, 2025 · Stockfish is a free, open-source, and cross-platform chess engine, trusted by grandmasters and leading chess platforms worldwide.

Sep 6, 2024 · The Stockfish project strongly believes in free and open-source software and data. Collaboration is what made this engine the strongest chess engine in the world.

Whether you are a programming wizard or just a fan, there’s something you can do to help make Stockfish even better.

Aug 7, 2020 · Stockfish is a free, open-source, and cross-platform chess engine, trusted by grandmasters and leading chess platforms worldwide.

Developed by a global community of chess enthusiasts and programmers and released under the GPLv3 license, so everyone can read the code, modify it, and contribute back.

Nov 18, 2022 · We are pleased to announce that we have found an agreement (PDF in German and English) that strengthens the Stockfish project in its aim to deliver the world’s number #1 chess …