Welcome to the GNU Backgammon web site

Welcome to the GNU Backgammon web site. This site will help you download and install GNU Backgammon, and give you tips on how to use GNU Backgammon to improve your game. GNU Backgammon is a world class backgammon application, and it works on many operating systems. It can play, analyse and teach backgammon. Its evaluation engine is based on artificial neural networks. Read more in the about section.

GNU Backgammon is free software and released under the GNU General Public License (GPL).

News

GNU Backgammon wins the 2006 Computer Olympics !!

Hi all,

I'm back from Torino where GnuBG has just won the 2006 Computer Olympics Backgammon "tournament", defeating its only opponent, BGBlitz by Frank Berger. Final score is 3-1 (best of 5 matches, 15pts each), with individual scores of 3-15, 16-12, 15-8 and 17-13.

Analysed matches (supremo, g11 met) can be downloaded here (359Kb).

For the records, BGBlitz is truly strong: it has been rated by gnubg analysis in the 4 matches as 1997.4, 2004.5 2035.1 and 2025.4 (FIBS rating) and in the first two matches, Frank used by mistake the "old" engine (winning one of them anyway).
11:05:29 - 05/29/06 MaxMaini -

Getting a Copy of the CVS Repository

This article show you how to get the source code fresh from the CVS repository. [Read more]
23:56:11 - 10/08/04 webadmin -

Downloading and installing GNU Backgammon on MS-Windows

Downloading and installing GNU Backgammon on a computer with Microsoft Windows is fearly easy. This article will show you how to do this.

Update July 2006: This atricle of this install is a bit outdated. You should rather use Max Maini install files, found here. [Read more]
00:39:51 - 10/08/04 oystein -

Screenshots

Take a look at some of these screenshots!

gnubg_win Windows Screenshot with 3d board
[Read more]
23:09:48 - 10/05/04 webadmin -

About GNU Backgammon

GNU Backgammon (gnubg) is for playing and analysing backgammon positions, games and matches. It's based on a neural network. In the past twelve months it has made enormous progress. It currently plays at about the level of a championship flight tournament player. Depending on its parameters and its luck in recent games, it rates from around 1900 to 2000 on FIBS, the First Internet Backgammon Server -- at its strongest, it ranks in the top 5 of over 6000 rated players there) and is gradually improving; it should be somewhat stronger than this when released. Since almost all of the CPU time required during supervised training is spent performing rollouts, and rollouts can easily be performed in parallel, it is hoped that users will be able to pool rollout results and collectively train it to a level stronger than any individual could obtain. [Read more]
18:34:47 - 10/05/04 webadmin -

The GNU Backgammon mailing list

You can post suggestions, bug reports, and questions to the GNU Backgammon mailing list. The address is: bug-gnubg@gnu.org. You must subscribe to the mailing list before you can post. The mailing list is also archived, and you can browse the archive here: http://lists.gnu.org/archive/html/bug-gnubg/.
You should also subscribe to the mailing list at this site: http://lists.gnu.org/mailman/listinfo/bug-gnubg. [Read more]
17:52:57 - 09/30/04 webadmin -

IRC channel "#gnubg"

If you have questions, suggestions, are bored or want to discuss gnubg relate
d stuff, open your irc client, connect to irc.freenode.net and type "/join #gnubg". (ace@gnubg.org)
18:17:48 - 09/26/04 webadmin -

i18n FAQ available

For those guys/girls who want to help us translate GNU Backgammon into their language we published a i18n FAQ. The translation will be available on at least Windows OS and Linux operating systems. We already are working on Danish, French, German, Icelandic/sh(?!), Japanese and Turkish. See the Documentation section for more infos. (ace@gnubg.org)
18:15:40 - 09/26/04 webadmin -

New Rpms for Linux system

New rpms for linux systems are available now. They are based on the 0.14-engine, but don't provide 3d-support or the timecontrol. Take a look at the download section. (ace@gnubg.org)
16:13:49 - 09/26/04 webadmin -

Welcome to the new GNU Backgammon web site

I'm glad to announce the new GNU Backgammon web site - www.gnubg.org.

The previous web page was just a temporary web page, but has been available for about 10 months now, so it is finally time to do something about it. This new site tries to collect all the loose ends of web resources about GNU Backgammon around the internet. It's also trying to attract the attention of GNU Backgammon users. Even though the web site is still incomplete, it will hopefully contain documentation and a user tip repository.

The web site is not complete functional yet, but will gradually be updated and maintained by the users and developers.
16:11:14 - 09/26/04 webadmin -

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I have no doubt that GNU Backgammon 2-ply would show a positive result if given enough time vs. any human player in match play.
--Neil Kazaross

Screenshots

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