Top 149 chess open source projects

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

Nibbler - Leela Chess Zero (Lc0) interface

Sunfish: a Python Chess Engine in 111 lines of code

🔲 Chessboard built for React

♔ An Extremely Efficient Chess-board Detection for Non-trivial Photos ♔

DroidFish Android Chess App

Chess reinforcement learning by AlphaGo Zero methods.

Consolidated view of all your chess games from chess.com, lichess, grandmaster games or custom pgn.

The Raspberry Turk is a robot that can play chess—it's entirely open source, based on Raspberry Pi, and inspired by the 18th century chess playing machine, the Mechanical Turk.

irwin - the protector of lichess from all chess players villainous

A Rust-based re-write of the Stockfish Chess Engine

A Chessboard widget for Flutter.

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

PGN Mirror

Chess

Simple chess AI in Javascript. Uses the chess.js and chessboard.js libraries.

Chessboard vue component to load positions, create positions and see threats

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

Visualize move, protection and threat status

Allie: A UCI compliant chess engine

Arasan chess engine

Integrates the Stockfish chess engine with Python

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

React wrapper of Chessground

♟ Play chess against real players in your terminal using Lichess

A small tool that generates gif of a chess game

UI mod for Dota 2 Auto Chess that adds several QoL improvements to the UI

A free and open source chess improvement app that combines the power of Lichess and Anki.

Learning from zero (mostly based off of AlphaZero) in General Game Playing.

lichess.org mobile application

A chess library that runs on the server (Scala) and on the browser (ScalaJS).

Rust rewrite of the sunfish simple chess engine

UCI chess engine (golang)

Portable chess game in C. Commodore 64, Apple 2, Atari, Oric, Commander X16, curses terminal, etc.

A two-player strategy board game /オリジナルのボードゲームを作ってみる。

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

Turn Based Strategy Game. Master your beasts! 🐺

Chess Variants Training is a website where you can improve at chess variants.

parses PGN files and extracts statistics for chess games

Converts PGN from /r/chess into gifs hosted on imgur and leaves a reddit comment

Mod for Minetest to play a realistic chess game (GUI-based)

Mobile/Web chess UI for lichess.org

收集 cocos2d-x 的棋牌项目，投稿啊，投稿。

PyChess - a chess client for Linux/Windows

Beautiful, powerful chess app for the Mac

A python program to play chess against an AI in the terminal.

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

Predict chessboard FEN layouts from images using TensorFlow

这是一个支持分布式和集群的java游戏服务器框架，可用于开发棋牌、回合制等游戏。基于netty实现高性能通讯，支持tcp、http、websocket等协议。支持消息加解密、攻击拦截、黑白名单机制。封装了redis缓存、mysql数据库的连接与使用。轻量级，便于上手。

An alternative Secure Scuttlebutt client interface that is fully compatible with Patchwork

Distributed Stockfish analysis for lichess.org

Chess GUI

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

A bridge between Lichess API and chess engines

Elo algorithm implementation in JS.

Software suite for ranking chess positions and accurately estimating the number of legal chess positions

A chess engine written from scratch in Rust ♞

A decentralized chess app build on top of Solid.

The world's smallest chess program

An open-sourced free online chess platform