Chakra (chess variant) in "100 Other Games to Play on a Chessboard" (1983, 2002) by Stephen Addison. Chakra is played on a standard chessboard and has many of the standard play conventions as in chess, including check and the winning objective, checkmate. Stalemate, as in chess, is a draw. The king in Chakra is named "emperor". Each player starts with 16 pieces: 1 emperor, 1 empress, 1 samurai, 1 monk, 2 monkeys, 2 courtesans, 2 chakras, 6 swords. The emperor, empress, and monkey perform identically to their chess counterparts (king, queen, and knight, respectively). The others are governed by special fairy rules. There
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: