Apocalypse (chess variant) Apocalypse (chess variant) Apocalypse is a chess variant invented by C. S. Elliott in 1976. The players each start with two "horsemen" and five "footmen" on a 5×5 board. The two sides make their moves simultaneously. The game was featured in Issue 53 of "Games & Puzzles" magazine. The starting setup is as shown. Horsemen and footmen move and capture the same as knights and pawns in chess, except footmen do not have a double-step option on their first move. For each turn, each player secretly writes down his move, then the players simultaneously declare them. The following rules apply:
Chess with different armies armies: the "Fabulous FIDEs", which are the standard chess pieces, the "Colorbound Clobberers", the "Nutty Knights", and the "Remarkable Rookies". All armies are designed to be equal in strength, but have significantly different properties. Kings and pawns move the same as in chess for all armies. Pawns can only promote to pieces of either army on the board at the start. Castling is done as in standard chess with the exception of the case when the rook replacement is colorbound, like in the "Colorbound Clobberers" army. In the latter case the king when castling long moves to b1 and the