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MAKEHYPER(6)			  Games Manual			    MAKEHYPER(6)

NAME
     makehyper - generate a GNU Backgammon Hypergammon position database

SYNOPSIS
     makehyper [-nh] [-f filename] [-r filename] [-c chequers] [-t threshold]

DESCRIPTION
     Hypergammon is a variation of backgammon with a much reduced number of che-
     quers (usually three).  It's possible to fully analyse this simplified game
     and generate a database of position evaluations in order to play perfectly.
     makehyper generates such a position evaluation database.

     Since  many  of the positions are in contact, it's not possible to generate
     the database in one pass; instead, makehyper iterates  until  the	position
     evaluation converges.  The convergence threshold can be changed with the -t
     option.

OPTIONS
     -f filename, --outfile filename
	    Write  the hypergammon database to filename.  Default is "hyper<num-
	    ber of chequers>.bd", the name expected by GNU Backgammon when using
	    the database.

     -r filename, --restart filename
	    Restart calculation of the	database  from	the  given  file,  which
	    should be a checkpoint from an earlier run.

     -c chequers, --chequers chequers
	    Set  the number of chequers in the game.  The default is 3, for nor-
	    mal 3-chequer hypergammon.

     -n, --no-checkpoint
	    Do not write a checkpoint file after each iteration.

     -t threshold, --threshold threshold
	    Set the convergence threshold.  The default is 1e-5.

     -h, --help
	    Display usage and exit.

SEE ALSO
     gnubg(6)

AUTHORS
     Joseph Heled, Oystein Johansen, Jorn Thyssen, and Gary Wong, with	the  as-
     sistance of many others <bug-gnubg@gnu.org>.

     This  manual page was written by Russ Allbery <rra@debian.org>, for the De-
     bian GNU/Linux system (but may be used by others).  It may be redistributed
     and/or modified under the terms of version 2 of the GNU General Public  Li-
     cense as published by the Free Software Foundation (the same license as GNU
     Backgammon).

				   2024-02-27			    MAKEHYPER(6)

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