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Stockfish is a free, powerful and open-source UCI chess engine derived from Glaurung 2.1.
Stockfish is not a complete chess program and requires a UCI-compatible graphical user interface (GUI) (e.g. XBoard with PolyGlot, Scid, Cute Chess, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably.
Read the documentation for your GUI of choice for information about how to use Stockfish with it.

• Download and install using the official builds

• Build Stockfish from source

  • Linux
  • Windows
  • macOS

Support

If you're looking for any kind of assistance with Stockfish.

• Discord
• Github discussions

Guides

• General

  • FAQ
  • Download Stockfish
  • Download GUI
  • Install in GUI

• Developers

  • Using Stockfish in your project
  • Contributing
  • Copying

Related repositories

• Trainer: glinscott/nnue-pytorch
• Fishtest: glinscott/fishtest
• Fishtest worker setup: ppigazzini/worker-setup
• Website: daylen/stockfish-web
• Mac app: daylen/stockfish-mac
• Matetrack: vondele/matetrack
• WDL model: vondele/WLD_model