Circular chess of the board and a different starting setup. In the citadel game, if a king reaches the citadel, a draw is forced. The starting position is essentially obtained from that of orthodox chess by cutting the board in half and bending the two halves to join at the ends. Two lines are marked on opposite sides of the board, and each set of pieces is positioned so as to straddle this line. The king and queen start on the innermost ring, with, as is the case in square chess, the queen on a square of the same colour; the bishops
Tutti-Frutti Chess that was on the board at the beginning of the game except the king (amazon, queen, empress, princess, rook, bishop, or knight). Tutti-Frutti Chess Tutti-Frutti Chess is a chess variant invented by Ralph Betza and Philip Cohen in 1978. It has been played regularly in tournaments and correspondence games. The game is played using a standard chessboard, and follows all the rules and conventions of standard chess, with one difference: the queen's rooks are replaced by empresses (rook plus knight), the queens are replaced by amazons, the king's bishops are replaced by queens and the king's knights are replaced by