Portal Chess starting location of these portals can be different when the game begins, but the image shows the standard set-up. In this game the portal pieces move around by very specific rules. This version of the game has "player-controlled portals", which are linked to each other. The rules for these portals are worked out as though they make the squares they cover into one square. In the set up to the right, a5 and e4 can be conceptualized as the same square. The specific rules for portal use are as follows: Portal Chess Portal Chess is a chess variant which uses
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