Fencer: Ah, I see, it's the order that is the same as classic chess. The missing square causes the color flip. And whether the queen is on her own color or the opposite, it's still symetrical. ;-)
(hide) If you want to play a game with an opponent of a similar level, you can define a required BKR range for a new game invitation. Then nobody with a BKR outside this range will be able to see/accept it. (Katechka) (show all tips)