new(parent = nil) Class Public methods

_N(square) Instance Public methods Display a square number as a standard chess square notation.

_exit() Instance Public methods

_stop() Instance Public methods

check_square(square) Instance Public methods Return the number of available moves for this square

create_gui(parent = nil) Instance Public methods

drag_end(w, x, y) Instance Public methods

drag_motion(w, x, y) Instance Public methods

drag_start(w, x, y) Instance Public methods

edgemost(nxt, pos) Instance Public methods Select the square nearest the edge of the board