Beirut Chess any turn, instead of moving, a player may say "Boom!" and overturn their bomb carrier. All pieces of either color on squares adjacent to the bomb carrier are removed from the game, as well as the bomb carrier itself. There are two ways to win: A captured piece may not be inspected to see whether or not it was a bomb carrier. Bibliography Beirut Chess Beirut Chess is a chess variant invented by Jim Winslow in 1992. The game is played using the standard chess pieces and board, with each side having secretly equipped one of their with a "bomb"—which
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: