🚀 Benchmark LLM performance in chess using the Chess Context Protocol, enhancing AI awareness of legal moves and game dynamics.

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Fairy-Stockfish releases with built-in NNUE (neural network) for Xiangqi, Janggi, and Makruk

Chess Endgame Training: app to practice a variety of well organized set of chess endgames. From elementary to the most complex endgames, you can practice until you learn how to face all of them.

chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more

It’s a Tkinter GUI chess game that lets players compete against a Stockfish engine–based bot. Moves are entered using Standard Algebraic Notation (SAN) to play the game.

UCI xiangqi engine

Distributed Stockfish analysis for lichess.org

A free and strong UCI chess engine

SilStock - Track, analyze, and grow your portfolio — all in one sleek, real-time stocks app

Sanmill is an open-source, UCI-like Mill/Morris/Merrills/Mühle/Malom (and its variants) program with CUI, Flutter GUI and Qt GUI, sharing and freely distributing the code, tools and data needed to deliver this mill game. We do this because we are convinced that open software and open data are key ingredients to make rapid progress.

Introducing an advanced chess bot that effortlessly automates gameplay on virtually every board configuration, delivering a seamless and immersive experience.

A comprehensive (MCP) server that provides advanced chess analysis capabilities by implementing Chess Context Protocol Server and integrating Stockfish engine evaluation, positional theme analysis, opening databases, and chess knowledge

EPD opening book generation and filtering for chess and chess variants

SPSA tuner for UCI chess variant engines

WebAssembly port of the chess variant engine Fairy-Stockfish with NNUE support

Juego de ajedrez contra IA

Makora Chess (魔虚羅). Track, analyze and visualize your chess losses.

Demo frontend for Fairy-Stockfish running with WebAssembly

a free alt to chess.com's paid game review