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"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.
...The latest versions of the programs will be on my site: https://matei.one/. Simple chess game for people who want to play chess but don't want to take it seriously. Written in C, using SDL 1.2 or SDL 2 for graphics. Interface inspired from old chess game for ZX Spectrum. The computer searches (L+2)/2 moves ahead (assuming that a move means that both sides move a piece), where L is the difficulty level. Positions are evaluated only by adding the values of the pieces left on the board. Any factors related to where the pieces are, such as mobility, doubled pawns, isolated pawns etc. are not considered. ...
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/...
For access to code, please clone the git repository. ...
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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.
icsdrone is an interface between a chess server and a chess engine
icsdrone acts as an interface between an ICS (Internet Chess Server) and a chess engine supporting the XBoard/WinBoard protocol. Unlike XBoard/WinBoard it does not use a graphical interface so it is suitable for use on embedded systems.
icsdrone was originally developed for FICS (the Free Internet Chess Server) by Henrik Gram but currently ICC (the Internet Chess Club) works as well.
Tic Tac Toe The Return is a simple graphic game written in Java. It is a port of mptris to the Java platform. mptris is a text-mode tic-tac-toe game written in C language. I wrote both to get some confidence with the programming languages. In the Download section (Files) you can also find the sources of the Windows Phone 8 port and of the ancient console mode versions.
...It is completely written in ANSI-C using nothing more than the standard library and thus is very portable and easy to compile on almost every platform.
yacen uses the common UCI interface to communicate with any compatible GUI.
NOTE: yacen is currently in pre-alpha status. This means that there is only source code available which is far from complete and thus cannot be compiled to a working binary yet. A more complete source code and first binaries for Linux and Windows will be available when the project reaches alpha status.
AmiGoGtp is a version of the AmiGo Go program with a GTP (Go Text Protocol) interface added. It can be used as a weak but fast opponent for beginners and is of historical interest as one of the first open-source Go programs.
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An open source chess engine in C, released under the GPL. Compatible with the XBoard and UCI interface protocols to link to a GUI or other chess arbiter.
Engine and interface to play the checkers variant Give & Take. At first glance, the game seems to be yet another boring checkers variant. That is until you realize what a change one subtle extra rule can make.
Simultaneous Turn Based Meta Engine - A project to create a game engine that can support different regions, units, rules and turn sequences. STaBME will provide automation of most traditional board games and the creation of new ones.
LINeup4 is a connect four game using a terminal interface which doesn't need any graphic libraries. This game is also known as four in a row or connect4. The game is won by lining up four of your pawns in a row, in a column or diagonally.
Chessd is a chess XMPP based server. It uses a web interface and a BOSH server, that runs between interface and the chess server. Visit http://xadrezlivre.c3sl.ufpr.br to see it in action.
XOMaster is a fairly strong AI five in a row (free-style gomoku) player. It implements a simple interface and an alpha-beta search function with a fast eval function.
Solitaire cardgame for Amiga computers using MUI graphics interface.
Original version developed by Kai Nickel. The program(s) use(s) C as
main programming language.
A prototype for a 3D Goban display, full featured SGF editor, client for IGS-PandaNet and interface for GNU Go. glGo is written in C++ and based on wxWindows, OpenGL and SDL.
glGo is available for Linux and Windows.
Gtkboard is a generic board game engine into which various games are fitted as plugins. Games share the user interface, move parsing and strategy code. Currently over 30 games have been implemented; some are single player and some are two player games.
Popular Ships battle for two players connected across the network. Provides modular concept of three layers (network layer, game logic, and user-interface). Currently only ncurses (console) user interface is implemented.
PubliCake is an ansi-C checkers engine, playing with the English/American rule set. It is designed explicitly as a portable checkers engine, with no interface support.
This project is a complete re-write of the game. It will support better graphics and animation than the original. It will have a pluggable "brain" interface for computer players so that new opponents can be added easily.