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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); incompati-
	    ble 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 backward
     compatibility.

     Moves are accepted either in standard algebraic notation (SAN) or in  coor-
     dinate algebraic notation.

     The file 'gnuchess.ini' allows setting configuration options, but it is ig-
     nored  if	the  --uci option is used. See 'info gnuchess' for details about
     the  options.  The  program  will	look  for  'gnuchess.ini'  in  $XDG_CON-
     FIG_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+15.1.quarterly>

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