Fencer: I think what Pythagoras means is how random is the placement of the non playable squares. Is it possible to have the A1 square be an open square where you can place a stone, but the A2, B1 and B2 squares are closed squares. Or to have any edge square such as D7 open but C7 and E7 plus D6 be closed squares.
(hide) If you want to find an opponent with similar playing skills to your own look in the Ratings page of the type of game you want and find a player with a similar BKR. (pauloaguia) (show all tips)