Sumerian: Because there are really only 480 different positions. Each of the 960 positions can be paired with its mirror image. So the 960 positions is really 480 pairs.
(sakla) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (Bütün ipuçlarını göster)