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
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