GNU Chess is a chess-playing program. It can be used to play chess against
the computer on a terminal or, more commonly, as a chess engine for graphical
chess frontends such as XBoard.
The current version is 6.1.2. The 6.1.x series includes the following new features
with respect to previous 6.0.x:
- A graphic mode based on Unicode chess points, which can be optionally
used instead of the plain ASCII text output.
- An enhanced
pgnload command, which enables moving back and forth
throughout a game loaded from a pgn file.
- Internationalization support based on
can be found on the main GNU ftp server:
(via HTTP) and
(via FTP). It can also be found
on the GNU mirrors;
a mirror if possible.
is available online, as
is documentation for most GNU software. You may
also find more information about
or by looking at
or similar directories on your system. A brief summary is available by
running gnuchess --help.
has the following mailing lists:
is used to discuss most aspects of
including development and enhancement requests, as well as bug reports.
- info-gnu-chess is
for general user help and discussion.
and most other GNU software are made on
Security reports that should not be made immediately public can be
sent directly to the maintainer. If there is no response to an urgent
issue, you can escalate to the general
mailing list for advice.
and GNU in general, is a volunteer effort, and you can contribute. For
information, please read How to help GNU. If you'd
like to get involved, it's a good idea to join the discussion mailing
list (see above).
- Test releases
- Trying the latest test release (when available) is always
appreciated. Test releases of
can be found at
(via HTTP) and
- For development sources, issue trackers, and other
information, please see the
- To translate
messages into other languages, please see the Translation Project
If you have a new translation of the message strings,
or updates to the existing strings, please have the changes made in this
repository. Only translations from this site will be incorporated into
For more information, see the Translation
- GNU Chess
is currently being maintained by
Please use the mailing lists for contact.
is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.