Chigorin Chess Chigorin Chess Chigorin Chess is a chess variant invented by Ralph Betza in 2002. It was named after Mikhail Ivanovich Chigorin. Betza commented that The game follows all the rules and conventions of standard chess, with two differences: Chigorin Chess was meant to emphasize the contrast between the relative values of knights and bishops in standard chess. Betza commented that it was a good introductory variant for chessplayers, like his earlier Almost Chess. Betza considered that White has a large advantage due to his fast development, being able to castle as early as the third move, whereas Black cannot castle
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