89 Open Source Chess Engine Software Projects

Sunfish: a Python Chess Engine in 111 lines of code

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

A Deep Learning UCI-Chess Variant Engine written in C++ & Python :parrot:

A chess engine written in C.

Chess

Chess engine written in PHP

irwin - the protector of lichess from all chess players villainous

Allie: A UCI compliant chess engine

Arasan chess engine

Integrates the Stockfish chess engine with Python

an UCI chess engine in D language

Predicts the best chess move with 27.5% accuracy by a single matrix multiplication

UCI chess engine

elephantfish: 一个只有124行的中国象棋引擎

Rust rewrite of the sunfish simple chess engine

UCI Chess Engine

An implementation of the AlphaZero algorithm for chess

A thin wrapper on a uci chess engine

:sushi: Wasabi Chess Engine - written in AssemblyScript

Try out lichess' bot interface

A Kotlin Chess Engine

UCI Chess Engine

♟♕♞♔ engine

UCI Chess engine written in C++11

UCI chess engine (golang)

Chess Engine Implemented in .net core

A C++ header-only library for efficient move generation in Chess using "magic bitboards" technique

chess library in reason for cross platform game dev

UCI Protocol for node.js - talk to chess engines painlessly

A cross-platform chess game.

A fast Go chess library. Legal move generation, move/board types, apply/unapply, FEN parsing, Zobrist hashing.

🐇👑 Simple chess game engine and UI

Chessengine written in Java

A UCI compatible chess engine written in C

C++ UCI chess engine

Chess engine written in Rust ♛

UCI chess playing engine derived from Stockfish and LeelaChess Zero

lc0docker: run lc0 chess client and lichess bot under Docker and Kubernetes

Chess engine with GUI for Excel / Word VBA - plus VB6 (Visual Basic 6) edition as UCI/Winboard/SMP engine (ELO 3000)

Convolutional Neural Networks learns to play chess moves

PHP Chess engine

Tucano Chess Engine

Chess library for simple chess engine creation

Python/Django online chess game

CrazyAra - A Deep Learning UCI-Chess Variant Engine written in C++ :bird:

Chess engine, AI, cli interface, and websocket client ♞

A minimalistic chess program written in Go.

Responsive chess web GUI to play against the Stockfish 10 chess engine. Multiple web GUI implementations have also been included.

:trophy: Awesome-Chess! :key: :lock: are you a chess player or chess enthusiast? ⭐

0x88 chess engine written in C++ ♘

lichess.org mobile application

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

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

♟️ A chess engine with alpha-beta pruning, piece-square tables, move ordering, and command-line UI.

A chess engine written from scratch in Rust ♞

Rustic is a chess engine. It is written from scratch, in the Rust programming language.

UCI Chess engine

A modern and light chess game developed with HTML, CSS and Javascript.

Gigantua: Single Threaded - 2 Billion Moves/s Chess position enumerator

UCI chess engine using neural networks for position evaluation

Source code for the chess enginee Crafty

UCI Chess Engine written in C

A free, open-source and modern Chess Variant Analysis GUI for the 21st century

A chess GUI built with Ren'Py, python-chess, and Stockfish. Version 2.0 of https://github.com/RuolinZheng08/renpy-chess-engine

This engine has defeated Stockfish Level-6 which has 2300+ ELO rating with 1sec as thinking time. It is an implementation of Chess Engine in JavaScript by using Min Max Tree with Alpha-Beta pruning (GOFAI (Good Old-Fashioned Artificial Intelligence)). The front-end of the website is basic HTML and CSS. ChessJS Version 2 : v2.chessjs.tech

A simple chess game for comparing your moves with other chess engines

A Javascript chess engine inspired by Fabien Letouzey's Fruit 2.1.

"Hawkins" is an open-source, competitive Chess AI powered by multiple tree search algorithms.

After watching The Queen's Gambit on Netflix I got interested in chess. I played a bit against computer programs and it made me curious about writing my own chess engine. This repository and a series of small videos I upload to Youtube after each milestone are documenting my progress.

♔ Chess-playing with Open-CV [Human vs AI (Stockfish engine)]

A chess engine in Python using numPy (WIP). Livestreamed here: www.youtube.com/watch?v=1QotIA4_jb4

UCI chess engine in C++

Java Chess Engine (UCI compatible)

A UCI compatible chess AI in Go

Medium strength Chess AI implementation in JavaScript

Chess game NPM Library (Angular 10)

A UCI chess engine implemented in C# with bitboards.

Currently in beta testing. A chess engine written in golang

UCI chess engine

Ridiculously experimental chess engine written in Nim.

A game search and evaluation parameter tuner using optuna framework

The Stockfish Chess Engine for Flutter.

A framework for writing chess engines in Rust.

A Chess which can be played as an 2 player game or vs a Bot.

A simple chess engine :video_game:

A brand new UCI-compliant chess engine written in C# for .NET platform.

Chess engine with the UCI protocol

A chess library, chess engine, Lichess client, and UCI implementation written in Java

A UCI chess engine written in Rust.