Search Results for "chess"
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Showing 749 open source projects for "chess"
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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. -
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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. -
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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. ... -
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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. ... -
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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. -
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Chess Engines for Android (APKs)
Prebuilt UCI- and XBoard-compatible chess engines.
...Requires a chess app that supports the OEX format (e.g. Chess for Android or DroidFish). -
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LucasChessR
GUI of chess
Lucas Chess (R) is a free, open-source chess program designed primarily for training and improving chess skills. It acts as a comprehensive learning platform, offering tools for beginners and advanced players alike. The software includes a wide range of exercises covering openings, tactics, endgames, and visualization techniques. Users can play against multiple chess engines with adjustable difficulty levels that simulate different strengths. -
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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/... -
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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. -
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Download and extract, then run Spert file. For Windows 32-bit systems, run Spert x86 file.
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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. ... -
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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.
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Fair-chess
A new -better- chess variant , *Fair-Chess* ! (also with handicaps)
A new -(and much better) sort of Chess game , *Fair-Chess* ! 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.... ). -
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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. -
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Chess Tools for Android
Scripts and tools for building and testing chess engines.
Open source scripts and tools for Android. 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. ... -
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Scid is a chess database application (cross-platform, for Unix/Linux and Windows) with many search and database maintenance features.
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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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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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ChessForge
Chess analysis, training and testing for Windows.
Chess Forge is a Free and Open Source Windows desktop application facilitating chess training. 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. -
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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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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. -
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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. -
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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. -
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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.
