CHESS(1) User Commands CHESS(1) (NAME) gnuchess - (GNU Chess) (SYNOPSIS) gnuchess []... (DESCRIPTION) (GNU Chess) . (OPTIONS) -h, --help -v, --version -q, --quiet --silent -q -x, --xboard (engine mode) -p, --post -e, --easy -m, --manual (manual mode) -u, --uci UCI ( UCI ) -M SIZE, --memory=SIZE (MB) (hashtable) -a FILENAME, --addbook=FILENAME book.bin FILENAME pgn -g, --graphic xboard post . (SAN) . 'gnuchess.ini' --uci . 'info gnuchess' . 'gnuchess.ini' $XDG_CONFIG_HOME/gnuchess/ $HOME/.config/gnuchess/ ( ) . (REPORTING BUGS) : . GNU Chess: : (COPYRIGHT) (C) 2025 (Free Software Foundation, Inc.). GPLv3+: GPL : . . (SEE ALSO) Chess Texinfo . info Chess info gnuchess . GNU Chess 6.3.0 August 2025 CHESS(1)