Rhombic Chess Parachess using the same board geometry but introducing additional ways to move: These ways to move are highlighted on the board by same-colored cells. Bibliography Rhombic Chess Rhombic Chess is a chess variant for two players created by Tony Paletta in 1980. The gameboard has an overall hexagonal shape and comprises 72 rhombi in three alternating colors. Each player commands a full set of standard chess pieces. The game was first published in "Chess Spectrum Newsletter" 2 by the inventor. It was included in "World Game Review" No. 10 edited by Michael Keller. The diagram shows the starting setup. As
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