On a 12x12 board with archers, catapults and other enhanced pieces. By Michael Asher. Chess variant on board of 41 colored squares, where pieces change type depending on color of square the move to. By Tony Quintanilla. Cannibal chess .
Pieces move like the piece they have taken.
By Michiel de Bondt and Hans Bodlaender. Cannon Shogi and Cannon Chess . Played on a 9x9 Shogi board, feature various types of 'Cannon' pieces. By Peter Michaelsen. Capablanca's chess .