gnome-chess --version (return code: 0)
gnome-chess 3.18.0
gnome-chess --help (return code: 0)
Usage:
gnome-chess [OPTION...]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gapplication Show GApplication options
--help-gtk Show GTK+ Options
Application Options:
-v, --version Show release version
--display=DISPLAY X display to use