Browse free open source Java Chess Games and projects below. Use the toggles on the left to filter open source Java Chess Games by OS, license, language, programming language, and project status.

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  • 1
    Jin is a Java client for various chess servers. It currently supports the Internet Chess Club (chessclub.com) and the Free Internet Chess Server (freechess.org) but is designed to be able to support any chess server.
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    Downloads: 42 This Week
    Last Update:
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  • 2
    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: 45 This Week
    Last Update:
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  • 3
    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. You can now play games against uci engines. pdf2pgn command line command included. Detailed documentation. Multilanguage currently support for English, Spanish and Catalan. Dark mode option. JDK-17 compatibility You will find more about it at this web sites: https://chesspdfbrowser.com?origin=sourceforge https://www.frojasg1.com:8443/downloads_web/web/html/chessPdfBrowser.html?origin=sourceforge
    Downloads: 59 This Week
    Last Update:
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  • 4
    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: 30 This Week
    Last Update:
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  • 5
    Strong Java Chess Engines Game

    Strong Java Chess Engines Game

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

    SJCE - Strong Java Chess Engines, free portable cross-platform graphical chess game, 100%-pure 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: 14 This Week
    Last Update:
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  • 6
    jose is a graphical Chess tool. >>> moved to https://peteschaefer.github.io/jose <<< You can store chess games in a database. You can view and edit games (including variations and comments). You can play against a plugged-in chess engine and use it for analysis. Features 3D board view.
    Downloads: 16 This Week
    Last Update:
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  • 7
    JKlubTV

    JKlubTV

    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. Automatically calculate the total points, Sonneborn Berger points of each player, as well as their sequence DWZ, and sorts the HTML table by the calculated Rangliste.Desweiteren it is possible the tables as to save PDF file. The software is free (Opensource). - can access the DFB player database - the tables can export into HTML, PDF or Excel format - expects the result from DWZ - counted the points and the Sonneborn Berger figures - automatically sorts the crosstab after ranking Sourcecode on github.com: https://github.com/mars7105/Chess-Round-Robin-Manager Website: https://www.chessrobin.de/
    Downloads: 23 This Week
    Last Update:
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  • 8
    JavaPairing is a tool to manage a chess tournament. It is pure Java and can run as is on any platform, including Windows, Linux and Macintosh (JRE 1.6 or more required). It is free and open source under the GPLv3 license. Dutch, Dubov, r.r., Amalfi
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    Downloads: 19 This Week
    Last Update:
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  • 9
    Pairfx

    Pairfx

    Chess pairing program for run through and round robin tournaments

    PairFX is a chess pairing program specialized for youth tournaments in schools and chess clubs . No installation required! Just Unzip it and go! I created a free online/mobile version as well : https://oks.myvcc.be/pairfx-live/ (You can run any kind of tournament with it actually but it was written for chess in schools) It supports the organization of a so-called 'run through' tournament and round robin (everybody against everybody) tournaments Swiss pairings are not (yet) possible. Are you a chess teacher at school, or organize a separate tournament at the club? Try PairFX! The run through pairing system makes it possible for player to come and go whenever they want and also to keep players playing all the time. It is not round based , so not everybody has to be finished to allow new pairings to be made. This is really great when players play at different speed and works very well in the club or at school.
    Downloads: 5 This Week
    Last Update:
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  • 10
    Mediocre is a Java-based chess engine, implementing features like LMR, SEE, history and killer moves heuristics, transposition tables, internal iterative deepening, PVS search etc.
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    Downloads: 2 This Week
    Last Update:
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  • 11

    Combinatorial Game Suite

    A computer algebra system for research in combinatorial game theory.

    STARTING WITH VERSION 2.0, CGSUITE HAS MOVED TO GITHUB. The latest version can be found at the CGSuite homepage: https://www.cgsuite.org/ This page is preserved for archival purposes only and is no longer being maintained.
    Downloads: 3 This Week
    Last Update:
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  • 12
    A J2ME MIDlet implementing a Portable Chess Board to run on a Java enabled Cell Phone. In order to download the binaries and/or the source files please follow the Files->MobileChessBoard link above.
    Downloads: 8 This Week
    Last Update:
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  • 13
    BagaturChess

    BagaturChess

    Java Chess Engine

    This is UCI Chess Engine writen in Java. Since version 1.4 (inclusive) the project was moved to https://github.com/bagaturchess/Bagatur
    Downloads: 4 This Week
    Last Update:
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  • 14
    A simple two player chess game written in Java. The game enforces all of the rules of chess, highlighting potential moves, and has complete undo/redo functionality. A computer AI opponent is not available.
    Downloads: 4 This Week
    Last Update:
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  • 15
    Chess

    Chess

    A simple 2D-Chess

    A 2D-Chess with many features, such as a multiplayer server and many others. It will also show you all movement possibilites you have. Playing against Computer is in development
    Downloads: 6 This Week
    Last Update:
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  • 16
    Java Open Chess
    Java Open Chess is a project written in Java in NetBeans IDE. There is possibility to play for 2 players on local computers and via network connection. There is also an option to play versus quite weak computer oponent. Stronger computer oponens will be implemented soon. ATTENTION: Requires Java 1.8 or higher!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    Chess Tournaments (Windows setup)

    Chess Tournaments (Windows setup)

    This is a chess program to help you to organize any chess tournaments

    This is a chess program to help you to organize any chess tournaments without using real chess rules, go to the support page of this program. The support page also has more information about this program. This program creates a "Data" folder to save settings of this program and notes of tournaments and players. Players could play with each other on a single device or playing by multiple devices by a network. This program shows squares that mouse points on them and that helps to prevent any mouse mistakes that happen when playing chess by computers! Although you could do moves by keyboard too. This program has all the functionalities that you need to manage a database, but you cannot analyze games by chess engines or creating variations for them. This program has all time controls in chess clocks, but if you need more complex time controls, you could use them as well, because this program allows you to start a game from any position by two different time controls.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 18

    Cave Chess

    A Java chess engine using xboard protocol

    Downloads: 2 This Week
    Last Update:
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  • 19

    EloCalculator

    Elo Calculator - strictly implemented FIDE Rating Regulations

    This little tool might be helpful for chess players. The FIDE Rating Regulations (effective from 1 March 2024) are strictly implemented, therefore its calculation is hundred percent accurate. There is a Windows only version (Windows 7 or higher, .NetFramework 4.7.2 or higher (you don't need to worry about this with a current Windows 10 or 11)) ... and a Java version (Java 17 or higher).
    Downloads: 3 This Week
    Last Update:
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  • 20
    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. This is handy if you want the same problems presented for the other color for educational purposes. You could present the same set of exercises in 2 different ways! * You can toggle the display of page numbers * The selected pgn folder is saved for next time * The title on the pages is the name of the pgn (without .pgn)
    Downloads: 3 This Week
    Last Update:
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  • 21

    SimpleChessBoard for Android

    A simple chess board for Android (>= API 3)

    A simple chess board (no ia) application for Android. The board size adjusts to screen size and orientation.
    Downloads: 3 This Week
    Last Update:
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  • 22
    Chess Editor is a pure Java tool to create, edit and view chess games in the Portable Game Notation (PGN) format. The tool integrates with externally specified chess engine programs to provide analysis of board positions.
    Downloads: 2 This Week
    Last Update:
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  • 23
    Chess Queens
    Calculate the number of solutions to place n queens on an n*n chess board, without any queen attacking each other. Options allow using rooks instead of queens, disabling knight attacks and setting the minimum distance between queens.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Chess Tournaments

    Chess Tournaments

    This is a chess program to help you to organize any chess tournaments

    This is a chess program to help you to organize any chess tournaments without using real chess rules, go to the support page of this program. The support page also has more information about this program. This program creates a "Data" folder to save settings of this program and notes of tournaments and players. Players could play with each other on a single device or playing by multiple devices by a network. This program shows squares that mouse points on them and that helps to prevent any mouse mistakes that happen when playing chess by computers! Although you could do moves by keyboard too. This program has all the functionalities that you need to manage a database, but you cannot analyze games by chess engines or creating variations for them. This program has all time controls in chess clocks, but if you need more complex time controls, you could use them as well, because this program allows you to start a game from any position by two different time controls.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    An offline FICS chess lectures (http://www.freechess.org/~toddmf/lecbot.html) replayer and JComponent chess board. It is written in Java.
    Downloads: 2 This Week
    Last Update:
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