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Re: [Bug-gnubg] How to enable hypergammon
From: |
Russ Allbery |
Subject: |
Re: [Bug-gnubg] How to enable hypergammon |
Date: |
Sun, 31 Mar 2013 11:05:32 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) |
Michael Petch <address@hidden> writes:
> As for Hypergammon, the databases are called hyper1.bd, hyper2.bd,
> hyper3.bd . It seems that under Debian (Including Ubuntu) the
> maintainers have set the database directory to be /var/lib/gnubg
> If you copy the files there and rerun gnubg it should work.
There are some instructions in /usr/share/doc/gnubg/README.Debian about
the bearoff databases in general:
| gnubg needs a pre-computed two-sided bearoff database for maximum
| strength. Since this database takes some time to build, particularly on
| slow systems, and takes over 6MB of disk space, the default is not to
| build it. If you weren't asked whether you wanted to build the bearoff
| database at installation time, or if you've changed your mind, run:
|
| dpkg-reconfigure gnubg
|
| to be asked again. (The one-sided bearoff database is much smaller and is
| therefore included in the gnubg-data package.)
|
| The Debian version of gnubg has been modified to search in /var/lib/gnubg
| as well as /usr/share/gnubg for its data files. This is where the
| automatically built bearoff databases are put. If you want particularly
| strong play and don't mind the disk space and computation time, you can
| build even larger databases with:
|
| makebearoff -t 6x8 -f /var/lib/gnubg/gnubg_ts.bd
| makebearoff -o 10 -f /var/lib/gnubg/gnubg_os.bd
|
| These two databases combined will take 190MB of disk space and may take
| several hours to compute. Alternately, you can download prebuilt bearoff
| database from <ftp://ftp.demon.nl/pub/games/gnubg/databases/>. Save
| two-sided databases as gnubg_ts.bd and one-sided databases as gnubg_os.bd
| in /var/lib/gnubg.
|
| If you want gnubg to use pre-built hypergammon databases, save them in the
| same /var/lib/gnubg directory as hyperN.bd where N is the number of
| chequers. See the man page for makehyper for more details.
You can always just generate the hypergammon databases directly with
makehyper, although of course downloading them is fine too.
--
Russ Allbery (address@hidden) <http://www.eyrie.org/~eagle/>