149 Open source projects that are alternatives of or similar to cm-pgn

A chess library for PHP.

This program uses the lichess REST API to retrieve all the games of a user and transform them into a big PGN file that you can then import into your favourite game analysis tool (ie. scid)

An R package to read, write, create and explore chess games

A JavaScript library for batch analyzing chess games

A JavaScript/TypeScript library implementing the chess game rules and providing tools to read/write the standard chess file formats.

Creates chess puzzles from chess games and positions

Fast non-allocating and streaming reader for chess games in PGN notation

A Chessboard widget for Flutter.

An implementation of the AlphaZero algorithm for chess

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

Allie: A UCI compliant chess engine

irwin - the protector of lichess from all chess players villainous

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

PGN Mirror

Chess

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

A chess website where people can play against each other online.

Integrates the Stockfish chess engine with Python

Chess analysis Universal Windows 10 application.

Chess API: REST API for playing chess and storing highscores

React wrapper of Chessground

A small tool that generates gif of a chess game

Nibbler - Leela Chess Zero (Lc0) interface

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

lichess.org mobile application

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.

Generate chess puzzles / tactics from a pgn file

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

Online Heads-Up version of Chinese Chess built with Unity 3D

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

[No longer maintained] A .NET chess library, written in C#

UCI Chess Engine

Opening explorer for lichess.org that can handle all the variants and billions of unique positions

🔲 Chessboard built for React

Rust rewrite of the sunfish simple chess engine

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

Online multiplayer chess website that lets you build custom pieces/boards. Written in Svelte + Rust.

An aggregated data set of chess opening names

Arasan chess engine

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

Uses neural networks to extract chess positions from images

♟ Play chess against real players in your terminal using Lichess

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

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

Chess demo in Bevy

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

Sunfish: a Python Chess Engine in 111 lines of code

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

Open-source software to play the board game Hive.

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

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。

Shogi (Japanese Chess) pieces and boards

DroidFish Android Chess App

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 reinforcement learning by AlphaGo Zero methods.

Reads chess games in PGN format and adds annotations using an engine