Chess Engine
Software that calculates the strongest moves and can serve as a sparring partner.
Stockfish
The world's strongest open-source chess engine, used for analysis in virtually every major chess platform.
Leela Chess Zero
Open-source neural network chess engine trained through self-play, offering a distinctive style compared to classical engines.
Maia Chess
Human-like AI chess engine trained to predict human moves at specific Elo levels, ideal for realistic practice.
TCEC Chess
Top Chess Engine Championship — continuous live tournament between the world's strongest chess engines.
Chess Programming Wiki
Comprehensive wiki covering all aspects of chess engine programming, from search algorithms to evaluation functions.
CCRL
Computer Chess Rating Lists — independent rating lists for chess engines tested by a volunteer community.
Arena Chess GUI
Free Windows chess graphical interface supporting hundreds of engines, designed for engine tournaments and analysis.