Stockfish

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Stockfish
Genre Chess
Latest release12  (Announcement)
Release dateSeptember 2nd, 2020
Code licenseGPL
Contribute
Stockfish is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as package in:  
Slackware logo.svg Slackware: stockfish 
Archlinux-icon-crystal-64.svg Arch AUR: stockfish 
Openlogo-debianV2.svg Debian: stockfish 
Fedora logo.svg Fedora: stockfish  
Gentoo Linux logo matte.svg Gentoo: games-board/stockfish 
UbuntuCoF.svg Ubuntu: stockfish 
OpenSUSE Logo.svg OpenSUSE: stockfish 
Mageia logo small.jpg Mageia: stockfish 
24px FreeBSD: stockfish 
24px Haiku: games-board/stockfish


Stockfish is a chess engine, that is to say a chess AI. It is at the time of this writing the strongest[1] or in general one of the strongest computer chess programs in existence.

A notable feature of Stockfish versus other computer chess engines, which has made it so exceedingly powerful, is the Fishtest worker program.[2]. Users run this program and donate their computer time to have development versions of Stockfish play very large numbers of test games against one another. This is used to measure the effectiveness of propsed changes, allowing the program to grow rapidly in playing strength and letting regressions be weeded out.

References[edit]

  1. CCRL ratings for computer blitz chess ranked it highest when retrieved on 2021/02/16.
  2. On the get involved page