Stockfish 14.1

Strong open source chess engine

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Stockfish is a 11-time winner of the Top Chess Engine Championship.

View TCEC results

Open Source

Stockfish is open source (GPLv3 license). That means you can read the code, modify it, and contribute back.

Stockfish on GitHub

Run Anywhere

You can use Stockfish on your computer or on your iOS or Android device. So you can get world-class chess analysis, wherever you are.