gnubg
GNU Backgammon (gnubg) is a strong backgammon program
(world-class
with a bearoff database installed) usable either as an engine by other
programs or as a standalone backgammon game. It is
able to play and
analyze both money games and tournament matches, evaluate and roll out
positions, and more.
In addition to
supporting simple play, it also has extensive analysis features, a
tutor mode, adjustable difficulty, and support for exporting annotated
games.
It currently plays at about the level of a championship flight
tournament player and is gradually improving.
gnubg can be played on numerous on-line backgammon servers,
such as the First Internet Backgammon Server (FIBS).
Features include:
- A command line interface (with full command editing
features if GNU readline is available) that lets you play matches and
sessions against GNU Backgammon with a rough ASCII representation of
the board on text terminals
- Support for a GTK+ interface with a graphical board window.
Both 2D and 3D graphics are available
- Tournament match and money session cube handling and
cubeful play
- Support for both 1-sided and 2-sided bearoff databases:
1-sided bearoff database for 15 checkers on the first 6 points and
optional 2-sided database kept in memory. Optional larger 1-sided and
2-sided databases stored on disk
- Automated rollouts of positions, with lookahead and race
variance reduction where appropriate. Rollouts may be extended
- Functions to generate legal moves and evaluate positions at
varying search depths
- Neural net functions for giving cubeless evaluations of all
other contact and race positions
- Automatic and manual annotation (analysis and commentary)
of games and matches
- Record keeping of statistics of players in games and
matches (both native inside GNU Backgammon and externally using
relational databases and Python)
- Loading and saving analyzed games and matches as .sgf files
(Smart Game Format)
- Exporting positions, games and matches to: (.eps)
Encapsulated Postscript, (.gam) Jellyfish Game, (.html) HTML, (.mat)
Jellyfish Match, (.pdf) PDF, (.png) Portable Network Graphics, (.pos)
Jellyfish Position, (.ps) PostScript, (.sgf) Gnu Backgammon File,
(.tex) LaTeX, (.txt) Plain Text, (.txt) Snowie Text
- Import of matches and positions from a number of file
formats: (.bkg) Hans Berliner's BKG Format, (.gam) GammonEmpire Game,
(.gam) PartyGammon Game, (.mat) Jellyfish Match, (.pos) Jellyfish
Position, (.sgf) Gnu Backgammon File, (.sgg) GamesGrid Save Game,
(.tmg) TrueMoneyGames, (.txt) Snowie Text
- Python Scripting
- Native language support; 10 languages complete or in
progress
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Last Updated Monday, July 09 2012 @ 12:53 PM EDT
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