This is a simple Chess variant, created in the middle of the 20th century for the first systems which were capable of playing Chess. It is played on a 6x6 chessboard with all classic Chess pieces except bishops. All standard Chess rules are applied with the following exceptions:
(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)