Modern chess is a chess variant played on a 9×9 board. The game was invented by Gabriel Vicente Maura in 1968.[1][2] Besides the usual set of chess pieces, each player has a prime minister and an additional 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).