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CHESS(1)			 User Commands			      CHESS(1)

NAME
       Chess - GNU Chess

SYNOPSIS
       gnuchess	[OPTION]...

DESCRIPTION
       GNU Chess

       Play the	game of	chess.

OPTIONS
       -h, --help
	      display this help	and exit

       -v, --version
	      display version information and exit

       -q, --quiet
	      make the program silent on startup

       --silent
	      same as -q

       -x, --xboard
	      start in engine mode

       -p, --post
	      start up showing thinking

       -e, --easy
	      disable thinking in opponents time

       -m, --manual
	      enable manual mode

       -u, --uci
	      enable UCI protocol (that	is: behave like	an UCI engine);	incom-
	      patible with other options

       -M SIZE,	--memory=SIZE
	      specify memory usage in MB for hashtable

       -a FILENAME, --addbook=FILENAME
	      compile book.bin from pgn	book FILENAME

       -g, --graphic
	      enable graphic mode

       Options	xboard	and post are accepted without leading dashes for back-
       ward compatibility.

       Moves are accepted either in standard algebraic notation	 (SAN)	or  in
       coordinate algebraic notation.

       The file	'gnuchess.ini' allows setting configuration options, but it is
       ignored	if  the	 --uci option is used. See 'info gnuchess' for details
       about  the  options.  The  program  will	 look  for  'gnuchess.ini'  in
       $XDG_CONFIG_HOME/gnuchess/  and	$HOME/.config/gnuchess/	in that	order,
       and it will use the first one it	finds, if any.

REPORTING BUGS
       Report bugs to: <bug-gnu-chess@gnu.org>.
       GNU Chess home page: <https://www.gnu.org/software/chess/>
       General help using GNU software:	<https://www.gnu.org/gethelp/>

COPYRIGHT
       Copyright (C) 2025 Free Software	Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or	later <https://gnu.org/licenses/gpl.html>
       This  is	 free  software:  you  are free	to change and redistribute it.
       There is	NO WARRANTY, to	the extent permitted by	law.

SEE ALSO
       The full	documentation for Chess	is maintained as a Texinfo manual.  If
       the info	and Chess programs are properly	installed at  your  site,  the
       command

	      info gnuchess

       should give you access to the complete manual.

GNU Chess 6.3.0			  August 2025			      CHESS(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=gnuchess&sektion=1&manpath=FreeBSD+Ports+15.0>

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