Free ivex winboard software for linux

XBoard project is a X and Windows graphical chessboard.
XBoard is a graphical chessboard for X that can serve as a user interface for GNU Chess, Crafty, other chess engines, and the Internet Chess Servers.
XBoard can also be used by itself to read and write game files in PGN (portable game notation). WinBoard is a port of XBoard to Microsoft Win32.
You can build xboard on most systems with the following commands.
./configure
make
Enhancements:
- Version 4.2.7 corrects about two dozen bugs in the 4.2.6 release.
- In addition, WinBoard 4.2.7 comes bundled with GNU Chess 5.07 instead of the old 5.02+ version.
- The XBoard and WinBoard source code trees have been merged, so the xboard download now contains the complete source for both.

Tiffanys project is a Java chess engine, including a Swing gui and Win/XBoard support.
It supports the PGN / FEN format. Tiffanys also contains a XBoard / Winboard interface.
Main features:
- Swing GUI
- PGN / FEN Support
- XBoard interface
- Knows all basic rules (including Castling, EnPassant and Pawnpromotion)

Autoplay project connects two xboard/winboard protocol complaint chess engines and lets them play against each other. The result will be logged in a easily parseable logfile and after the result of the game is known, a specific exit-code is returned (0=white won, 1=black won, etc).

How to run it?

GNUChess versus Pos

autoplay -1 "gnuchess -x " -2 "java -Xmx256M -jar pos --io-mode xboard" -r -l gnuchess_v_pos.log

Sjeng versus GNUChess
autoplay -1 sjeng -2 "gnuchess -x" -l sjeng_v_gnuchess.log

Engines running on seperate computers

This example runs gnuchess on computer B with white and sjeng on computer A with black:

Computer B (slave):
autoplay -P 7788 -0 "gnuchess -x"

Computer A (master):
autoplay -1 "client:B:7788" -2 "sjeng" -v -r

Gullydeckel Chess Program project is a simple chess program.
The Gullydeckel chess playing program allows you to play a game of chess against a not too strong opponent. It has been written by Martin Borriss and is available free of charge on the terms of the GNU General Public License (GPL).
You can use Gullydeckel with Linux and Windows. Most people integrate Gullydeckel with a graphical chess board such as WinBoard. Other interfaces are quite possible (Fritz 8, Arena, or Chessbase).
Installing
1. Extract the sources from the archive (e.g., "tar zxf g2_2.13.pl6.tgz")
2. "cd src"
3. "make" (This gives you the gully2 binary.)
4. To have the opening book available, copy the file "book.bin" into the directory where the binary resides. (This is the place and filename searched by default.)
5. Now you are ready to go. You can solve testsuites (in epd/fen format) by typing something like
"gully2 -f ../Tests/bk.epd --time 30"
or play a game using Xboard (e.g., "xboard -fcp gully2").
Enhancements:
- This release removes extra polling code used when pondering structures for detailed evaluation in place.