Chess GitHub Repositories

♞ lichess.org: the forever free, adless and open source chess server ♞

A free and strong UCI chess engine

A TypeScript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection

Sunfish: a Python Chess Engine in 111 lines of code

Open source neural network chess engine with GPU acceleration and broad hardware support.

A chess library for Python, with move generation and validation, PGN parsing and writing, Polyglot opening book reading, Gaviota tablebase probing, Syzygy tablebase probing, and UCI/XBoard engine communication

Lichess mobile app

Chess reinforcement learning by AlphaGo Zero methods.

The Turn Based Strategy Game/eSport. Master your beasts! 🐺

The Ultimate Chess Toolkit

Effortlessly transmitting Morse Code of chess moves to your butthole 💝

Mobile/Web chess UI for lichess.org

Distributed Java game server, including cluster management server, gateway server, hall server, game logic server, background monitoring server and a running web version of fishing. State machine, behavior tree, A* pathfinding, navigation mesh and other AI tools

Maia is a human-like neural network chess engine trained on millions of human games.

Play chess in any terminal. Rust TUI, Stockfish, Lichess.

A bridge between Lichess bots and chess engines

Distributed Stockfish analysis for lichess.org

Play chess in your terminal

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

WintrCat's Game Report ♟️

Cute Chess is a graphical user interface, command-line interface and a library for playing chess.

PyChess - desktop chess client for Linux/Windows

Chess API written in scala. Immutable and free of side effects.

Chess analysis GUI for UCI engines, with extra features for Leela (Lc0) in particular.

♟️ Vectorized RL game environments in JAX

Competitive chess engine written in Rust

Predict chessboard FEN layouts from images using TensorFlow

An aggregated data set of chess opening names

A modern, responsive chessboard component for React applications.

Beautiful, powerful chess app for the Mac