Showing 486 open source projects for "chess"

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  • 1
    chess-tui

    chess-tui

    Play chess from your terminal

    chess-tui is a terminal-based chess application that lets you play chess directly from your command-line interface with a rich set of features normally found in graphical clients. It supports local two-player games as well as playing against any UCI-compatible chess engine, giving users flexibility to challenge engines like Stockfish or GNU Chess.
    Downloads: 0 This Week
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  • 2
    Stockfish

    Stockfish

    UCI chess engine

    Stockfish is a free, powerful UCI chess engine derived from Glaurung 2.1. Stockfish is not a complete chess program and requires a UCI-compatible graphical user interface (GUI) (e.g. XBoard with PolyGlot, Scid, Cute Chess, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in order to be used comfortably. Read the documentation for your GUI of choice for information about how to use Stockfish with it.
    Downloads: 137 This Week
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  • 3
    Sunfish

    Sunfish

    Sunfish: a Python Chess Engine in 111 lines of code

    sunfish is a minimalist yet surprisingly strong chess engine written in Python, designed to demonstrate how powerful algorithms can be implemented in a highly compact codebase. Despite being only around a hundred lines of core logic, the engine achieves competitive performance, reaching ratings above 2000 on online platforms. It implements classic chess engine techniques such as alpha-beta pruning and efficient board representation while maintaining readability and simplicity. ...
    Downloads: 6 This Week
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  • 4
    react-chessboard

    react-chessboard

    The React Chessboard Library used at ChessOpenings

    React-Chessboard is a React component for rendering an interactive chessboard. It provides an easy way to integrate chess functionality into web applications with support for move validation and animations.
    Downloads: 2 This Week
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  • 5
    AlphaZero.jl

    AlphaZero.jl

    A generic, simple and fast implementation of Deepmind's AlphaZero

    Beyond its much publicized success in attaining superhuman level at games such as Chess and Go, DeepMind's AlphaZero algorithm illustrates a more general methodology of combining learning and search to explore large combinatorial spaces effectively. We believe that this methodology can have exciting applications in many different research areas. Because AlphaZero is resource-hungry, successful open-source implementations (such as Leela Zero) are written in low-level languages (such as C++) and optimized for highly distributed computing environments. ...
    Downloads: 10 This Week
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  • 6
    belofte chess

    belofte chess

    A promising chess program

    A console/text based chess program with XBoard/CECP and UCI API, available on all major platforms. You may need a graphical chess interface to use it. Please refer to README.md in the files section for installation instructions. The last stable release is 2.2.0 and has been released on 13/04/2026. Belofte 0.2.0 till 0.9.20 (c/c++): Xboard 1 & 2 (CECP) - Linux/Unix/(Windows) Belofte 2.1.1 and up (c++11) : UCI and Xboard 2 - Linux/Windows/Mac/Android/...
    Downloads: 22 This Week
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  • 7
    Chess-gambiteer

    Chess-gambiteer

    Chess training program playing gambits

    Program to train against gambit play (*) with the computer, with a strength adjustable chess engine (Danasah, currently set at approx 1400 EL0 when playing against it). Also included now are two options to watch an engine e.g. the 'aggressive' Patricia5 (with gambits) play against another engine (eg IM level). The engine gambit books are made in such a way that 1) real lousy gambits are not played, and 2) the book is choosing a gambit line as often as possible, so for Black it might go for e.g. a Benko gambit or so and if you let it play with White, a lot of 1.e4 gambits can be played. ...
    Downloads: 6 This Week
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  • 8

    LucasChessR

    Gui of chess

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    Downloads: 3,086 This Week
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  • 9
    Vocode

    Vocode

    Build voice-based LLM agents. Modular + open source

    ...Using Vocode, you can build real-time streaming conversations with LLMs and deploy them to phone calls, Zoom meetings, and more. You can also build personal assistants or apps like voice-based chess. Vocode provides easy abstractions and integrations so that everything you need is in a single library.
    Downloads: 1 This Week
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  • 10
    Riddle-Chess
    The original idea of Alexander V. Catapang Jr. in the Guess-Chess from the eGames package. Riddle-Chess is an addition to the idea and transfer of rules to makruk, xiangqi and shogi.
    Downloads: 0 This Week
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  • 11
    Scid
    Scid is a chess database application (cross-platform, for Unix/Linux and Windows) with many search and database maintenance features.
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    Downloads: 620 This Week
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  • 12
    Scid vs. PC

    Scid vs. PC

    Chess Database and Toolkit program

    "Shane's Chess Information Database" is a huge chess toolkit with extensive database, analysis and chess-playing features. Scid vs. PC is a usability and bug-fix fork of Scid. It has many interface fixes and improvements, and is fully compatible with Scid's .si4 databases. New features include a rewritten Gamelist, Computer Tournament, and FICS, Tree, Book and Graph improvements.
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    Downloads: 752 This Week
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  • 13
    ChessX

    ChessX

    Chess Database and PGN viewer

    A free and open source chess database application for Linux, Mac OS X and Windows.
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    Downloads: 408 This Week
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  • 14
    chessPDFBrowser

    chessPDFBrowser

    Chess application whichs allows working with chess PDF books and PGNs.

    Chess application which allows working with PDFs and PGNs. You can work with the chess games of the PDF and edit their tree of variants. Graphical environment. Standard PGN TAGs. PGN comments. Ocr like (Fen string detection from chess board position images). Connection to Uci chess engines (like stockfish). Position analysis, full game analysis.
    Downloads: 60 This Week
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  • 15
    Chess Tools for Windows

    Chess Tools for Windows

    Batch tools for creating Polyglot books and PGN-based statistics.

    Open source scripts and tools for Windows. Every zip archive contains a readme file with further information. PGNStat and PGNXtract are batch processing tools for Windows. Simply unpack the zip archive into a directory of your choice. The batch files require free and open source third-party tools. These are not included in the zip archives and must be downloaded separately. An alternative download link, where all third-party tools are already integrated, can be found in the readme files.
    Downloads: 1 This Week
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  • 16
    Gambit

    Gambit

    A cross-platform chess game.

    Gambit is a cross-platform chess game. There are binaries for Windows users. Users of Unix-like operating systems can check the web site for build instructions (it should be easy to follow).
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    Downloads: 17 This Week
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  • 17
    Basic Blind Chess

    Basic Blind Chess

    Blind Chess using Taiwan rules

    Blind Chess also known as "Dark Chess" (暗棋) or "Banqi" or Half Chess , is a two-player Chinese board game played on a 4x8 grid, or half of the xiangqi (Chinese Chess) board. This application is using Taiwan rule. AI is using basic minimax tree structure and some rules. Advanced algorithm such as Upper Confidence bounds applied to Trees and Monte Carlo Tree Search are NOT used.
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    Downloads: 0 This Week
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  • 18

    Chess Problem Editor

    Edit diagram.sty LaTeX diagrams

    A Python application to edit LaTeX files containing chess problems - using the chess-problem-diagrams LaTeX-package.
    Downloads: 0 This Week
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  • 19

    OBender

    Chess program

    Chess program, plays quite interesting, installer for windows, works in Linux under xboard, source code in pure C
    Downloads: 7 This Week
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  • 20
    pgn4web

    pgn4web

    javascript chess games viewer for websites, blogs and live broadcasts

    pgn4web is a javascript chess games viewer for websites, blogs and live broadcasts. "pgn4web has a clean design, and is easily integrated and configured in wordpress. And yet, below that layer of simplicity, it has enough bells and whistles to allow for more baroque needs and taste. A truly great plugin." GM Tiger Hillarp, using the pgn4web plugin for wordpress on his site chess at the bag of cats, May 2013.
    Downloads: 6 This Week
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  • 21
    Fen2Pdf

    Fen2Pdf

    Tool for chess teachers to create PDF files with chess diagrams in it

    Tool for chess teachers to create PDF files with chess diagrams in it. 1) Create a pgn file with chess diagrams (FEN notation) in it (e.g by using lichess) 2) Open the Fen2Pdf and select the folder containing the pgn(s) 3) Click start. Fen2Pdf detects the pgn files in it and creates a pdf file You can now print this file and hand the exercises over to your students Extra features: * Mirror the positions.
    Downloads: 2 This Week
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  • 22
    ChessMD

    ChessMD

    ChessMD is a Qt-based chess game viewer with engine analysis

    Downloads: 2 This Week
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  • 23
    Шахматный движок и графическая оболочка под Windows 64 (запуск - start.cmd), под Linux запускать под xboard. Исходники на Си прилагаются. The chess engine and graphical shell run on Windows 64, and on Linux run on xboard. The C sources are attached.
    Downloads: 1 This Week
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  • 24
    MinkoChess
    MinkoChess is a multiplatform chess engine written in C++.
    Downloads: 0 This Week
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  • 25
    Chess Round Robin Manager

    Chess Round Robin Manager

    Java Schach Turnierverwaltung / Java Chess Tournament Management

    Manage chess round robin tournaments with JKlubTV Version 3.0.0-beta This application stores the data belonging to round robin into a SQLite database. It is intended for webmasters who want to easily manage a club tournament in their own chess club. The HTML tables that are to be published for the website will be created easily by the application.
    Downloads: 0 This Week
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