Showing 170 open source projects for "engine"

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  • 1
    Stockfish

    Stockfish

    UCI chess engine

    ...Stockfish is a 11-time winner of the Top Chess Engine Championship. Stockfish is open source (GPLv3 license). That means you can read the code, modify it, and contribute back. You can use Stockfish on your computer or on your iOS or Android device. So you can get world-class chess analysis, wherever you are. The Stockfish engine features two evaluation functions for chess, the classical evaluation based on handcrafted terms, and the NNUE evaluation based on efficiently updatable neural networks.
    Downloads: 194 This Week
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  • 2
    ChessForge

    ChessForge

    Chess analysis, training and testing for Windows.

    ...Use Chess Forge to build your opening repertoire, study endgames, strategy and tactics. Utilize the two distinct solving modes and also Chess Forge's unique Training Mode where you get tested against the workbook's content with the help of the engine. Note: the current version (1.14.3) addresses lichess's breaking change https://lichess.org/@/thibault/blog/the-opening-explorer-now-requires-authentication/FSWh9Zg3. ). Installation info: https://github.com/czbar/ChessForge/wiki/Installation PDF Manual: https://sourceforge.net/projects/chessforge/files/ChessForge_Manual.pdf/download (35MB due to numerous screenshots) Web Site : https://mindrose.com.au Contact: https://mindrose.com.au/feedback.html Source Code: https://github.com/czbar/ChessForge New in v.1.14.0-3 (February/March 2026): https://github.com/czbar/ChessForge/wiki/Release-History
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    Downloads: 128 This Week
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  • 3
    Chess Engines for Android

    Chess Engines for Android

    Portable UCI- and XBoard-compatible chess engines.

    Open source chess engines that support the Universal Chess Interface (UCI) protocol or Chess Engine Communication Protocol (XBoard). They are written in the C, C++, Go and Rust programming language. C and C++ based chess engines were generated with Android NDK, Clang and GCC. Go and Rust based chess engines were generated with their correspondent compilers. This was done on different platforms like Linux, Termux and Windows.
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    Downloads: 277 This Week
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  • 4
    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: 4 This Week
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  • 5
    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: 440 This Week
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  • 6
    ChessMD

    ChessMD

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

    Downloads: 0 This Week
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  • 7
    Chess Tools for Android

    Chess Tools for Android

    Scripts and tools for building and testing chess engines.

    ...Every zip archive contains a readme file with further information (e. g. link to the source code). Chess tools are located in the libs directory and are available for arm64-v8a, armeabi-v7a, x86 and x86_64 based devices. CECSA (Chess Engine Compiler Script for Android) and CETSA (Chess Engine Tournament Script for Android) are scripts for Termux. They need to be extracted in the home directory of Termux. There is also an installation script for CECSA (cecsa.sh) that can be used to install a complete compilation environment with all necessary compilers, tools and libraries under Termux. ...
    Downloads: 5 This Week
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  • 8
    MinkoChess
    MinkoChess is a multiplatform chess engine written in C++.
    Downloads: 1 This Week
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  • 9
    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: 2 This Week
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  • 10
    Nimzo-3d-Chess-GUI

    Nimzo-3d-Chess-GUI

    A free Chess program for Windows with a large set of features

    The Nimzo_3d GUI is a chess program for Windows 7 - 11 It is an enhanced version of the Tarrasch Chess GUI written by Mr Bill Forster, with many additional features. It has a simple, easy to use interface, so it is ideal for novice players or inexperienced computer users. It also has more advanced features for expert users. So if you just want a casual blitz game against the computer, or to automatically analyse one of the famous games from chess history, it can perform these...
    Downloads: 17 This Week
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  • 11
    Delphi : VRCalc++ and more Binary Exec

    Delphi : VRCalc++ and more Binary Exec

    Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)

    Vincent Radio {Adrix.NT} Embarcadero : Delphi : Executable Binaries Delphi : VRCalc++ Object Oriented Scripting Language : Engine + Ext Libraries VRCalc++ OOSL Visual Stage Project : VCL & FMX (FireMonkey) VRCalc++ Script Executor: - VCL Console - Terminal Console - FMX Console + VRCalc++ OOSL : VR System Scripted Standard Runtime Library Delphi Applics - VR Multi Editor : Smart Text Editor - VR Lazy Code Editor : Smart RTF Multi Lang Code Text Editor - VR Astro Vision : Astrology Program - VR Free Chess 2D : Chess Game Program - VR Mosaic : Puzzle Resolver Program (VCL, FMX) - VR Blocks game - VRGraphStage - VR TTT OX game - Embarcadero Binary Runtime Libraries - VR Binary Runtime Libraries for Delphi & C++Builder - Visual Styles Java Applications - Analog Clock - VR Hanoi Towers - VR Rects World Sample - VR Free Chess 2D - VR Mosaic with auto resolver - Action/Entity Model Test includes installation instructions adrixnt@hotmail.it
    Downloads: 0 This Week
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  • 12
    Fair-chess

    Fair-chess

    A new -better- chess variant , *Fair-Chess* ! (also with handicaps)

    ...Being interested in chess for two decades now, i designed a chess variant in which the intrinsic White advantage is compensated by removing the f2 and c7 pawns (calibrated by engine analysis). Also, in such a way detailed knowledge of opening theory is not important anymore (but it still looks more like normal chess than Chess960, also called 'Freestyle' nowadays.... ). In addition, a(n) -optional- handicap system which makes playing more fun for both sides, especially the weaker. This would make it a more ''fair'' game between players with very different playing abilities (ratings), playing rated games is still possible with the system i devised (with compensation). ...
    Downloads: 0 This Week
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  • 13

    NetChess

    NetChess to play between two players over net or internet

    ...This can also be used to load the games and analyze using chess engines To play chess using chess engines (Supports engines with WinBoard 1, 2 and UCI 1, 2 protocols) Human vs Chess Engine with White side Human vs Chess Engine with Black side Chess Engine with White side vs Chess Engine with Black side on the same board Chess Engine with White side vs Chess Engine
    Downloads: 5 This Week
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  • 14

    The Chess in Vba

    Chess game made with excel-vba

    Engine from "MIGOYA-CHESS Developed by Alejandro Migoya" ported to excel vba. He says "is not really a strong chess engine...." Instead i think it is very good and I thank him.
    Downloads: 0 This Week
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  • 15
    Chessmaster Bots Manager

    Chessmaster Bots Manager

    A simple tool to allow Chessmaster 10/11 bot customizations

    This tool allows several bot customizations: - Load all the chess engine settings - Change avatar for any bot - Analyse player's games to get: * Player max elo * Game style (aggressive, positional, etc.) * Preferred opennings - Choose the closest openning book for a player - Save openning book based on player's game stats - Automtically backup bot with with possibility to restore settings Future improvements: - Improve .pgn analysis using external engine or refined position evaluation - Allow to save in either CM10 (best compatibility) or CM11 (more features) - Add tools to create new lessons with audio support
    Downloads: 6 This Week
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  • 16
    Monk
    Free client-based chess game engine with its own board. Written in wxDevC++. Latest release of this software is now available at https://e2-e4.org/en/ as a website' bot program. Feel free to play with one online. Also recently was made an OpenGL version of the game. Added to "Files" as "monk_src_en.zip". Contains Windows application and complete sources for "wxDev C++".
    Downloads: 6 This Week
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  • 17

    Synergy-Chess

    Synergy-Chess is a chess system that groups together 8 chess engines

    Synergy-Chess is a chess system that groups together 8 chess engines with an ELO score higher than 3400; this system has been tested on the Arena 3.5.1 chess GUI which can be downloaded here: http://www.playwitharena.de Summary of how Synergy-Chess works: the system simultaneously run the 8 chess engines and when the 8 analyzes are completed the system chooses the move to be performed based on the absolute majority of equal moves among the first 7 chess engines, and in the event of a tie, the outcome of the groups in parity is compared with the outcome of the chess engine number 8 and if one of the groups in a tie has the same move as chess engine number 8 this group will acquire the majority and then the system will perform this move; if, on the other hand, the tied groups have different moves than the chess engine number 8, the system applies the difference in score between the tied groups and chooses the move to be performed based on the highest score
    Downloads: 0 This Week
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  • 18
    olivechess

    olivechess

    a UCI chess engine

    OliveChess is a simple chess engine compatible with modern chess interfaces such as ChessBase products, Arena and XBoard/Winboard. The engine supports UCI and XBoard protocols. Note: in order to use it as an xboard engine you may need Polyglot tool to be installed first
    Downloads: 8 This Week
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  • 19
    Capa chess

    Capa chess

    Chess program

    Capa chess is a chess program. Features built-in simple engine, interface with external XBoard/WinBoard and UCI engines, basic plug-in capabilities, import/export, 2D/3D boards with customization. Java JRE 1.8 or above required.
    Downloads: 51 This Week
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  • 20
    A concise javascript chess engine, first written for the 5k web competition. It plays at the level of a lazy amateur, so is a good match for most opponents.
    Downloads: 0 This Week
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  • 21
    XiangQi Wizard (Chinese Chess Wizard) is a powerful XiangQi (chinese chess) program, which supports UCCI engines. XQWizard Light is the Mobile version for Windows CE and Java ME. ElephantEye is the UCCI engine in XQWizard with strong AI.
    Downloads: 24 This Week
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  • 22
    Strong Java Chess Engines Game

    Strong Java Chess Engines Game

    SJCE - free portable cross-platform graphical chess game, 100% Java.

    ...Support with including many best free/open-source java xboard/uci chess engines. It is possible to play both White and Black. It is possible to play Human to Human, Human vs Engine, Engine vs Engine. Simple and intuitive GUI - Graphical User Interface. Tested on Windows/Linux. Need jre1.8 - https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html. Source - https://github.com/harp077/sjce If you like this - put a star on https://github.com/harp077/sjce/ for support project please.
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    Downloads: 13 This Week
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  • 23

    pythchess

    Python chess engine

    Downloads: 0 This Week
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  • 24
    dgtdrv aims to be a uci/xboard/crafty compatible interface (input engine) for the DGT Electronic Chess board on POSIX platforms. It relies on the dgtnix library.
    Downloads: 0 This Week
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  • 25

    c-board

    A console/ncurses chess engine frontend and PGN editor.

    CBoard (Curses/Console Board) is an Ncurses frontend to chess engines supporting the XBoard protocol. Supports reading and writing PGN including roster tags, RAV, FEN, NAG and comments, lots of configuration options, UTF-8, different board sizes depending on the terminal and more.
    Downloads: 3 This Week
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