Tutti-Frutti Chess 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 princesses. All other pieces are unchanged. A king may castle with a rook or empress, and pawns may promote to any piece
Modern Chess (chess variant) Modern Chess (chess variant) Modern Chess is a chess variant played on a 9×9 board. The game was invented by Gabriel Vicente Maura in 1968. Besides the usual set of chess pieces, each player has an additional piece with a corresponding pawn: The first match was played in Madrid at Escuela de Bellas Artes de San Fernando's cafe on March 18, 1968. The players were Gabriel Vicente Maura himself (White), and Bonifacio Pedraz Cabezas (Black). The starting setup is as shown. All the standard rules of chess apply, along with the following special rules: In response to criticism that bishops