Powerful open source chess engineSee All Downloads →
Stockfish is no slouch—it plays on the same level as commercial engines like Rybka and Houdini. And it's the most powerful open source chess engine in the world. Source: CCRL
We provide binaries for major desktop operating systems, including for Windows and Mac OS X. And you can always compile Stockfish from source for any platform you want.
Want to do some chess analysis on the go? There are a number of apps available for the iPhone and Android platforms. Check them out.