In games of manually input moves the navigation arrows give error:
invalid command name "GoRight"
invalid command name "GoRight"
while executing
"__unknown__orig {*}$args"
(procedure "::unknown" line 12)
invoked from within
"GoRight"
(in namespace inscope "::application::board" script line 1)
invoked from within
"::namespace inscope ::application::board GoRight"
invoked from within
".application.nb.main.top.board.__tb__board-control.__tbw__56 invoke"
("uplevel" body line 1)
invoked from within
"uplevel #0 [list $w invoke]"
(procedure "tk::ButtonUp" line 22)
invoked from within
"tk::ButtonUp .application.nb.main.top.board.__tb__board-control.__tbw__56"
(command bound to event)
