H. G. Muller wrote on Sun, Jan 4, 2009 10:55 PM UTC:
I do understand that a Bishop does not win, but that was due to the first condition (orthogonal contiguity of capture moves). What I did not understand was the board-opposition stuff.
And what the heck is a Donut???
(And why does it lose rather than draw? I can't say that your last posting clarified matters much...)