Apocalypse (chess variant)

Apocalypse is a chess variant invented by C. S. Elliott in 1976.[1][2] The players each start with two horsemen and five footmen on a 5×5 board. The two sides make their moves simultaneously.

Apocalypse gameboard and starting setup

The game was featured in Issue 53 of Games & Puzzles magazine.

Game rules

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 their move, then the players simultaneously declare them. The following rules apply:

  • If they moved to the same square, a horseman captures a footman. Same-type pieces are both removed from the board.
  • If a capture was declared using a footman, but the piece to be captured moved from its square, the footman move still stands. (The move converts to a diagonal step instead of a capture.)
  • If a declared move is illegal, the player incurs a penalty point.

A footman promotes to horseman when reaching the last rank, but only when the player has fewer than two horsemen. Otherwise the player must redeploy the footman to any vacant square.[3]

End of game

A player wins by being first to eliminate all of the opponent's footmen. Accumulating two penalty points forfeits the game. A stalemate is a draw.

gollark: The osmarks.tk™ superintelligent AI will be programmed to kill LyricLy and only LyricLy due to this.
gollark: I refuse to negotiate (acausally) with future terroristic AIs.
gollark: STOP INFOHAZARDING US.
gollark: Well, yes, if you accept the argument regarding simulations.
gollark: The not obvious bit is that the contents of the boxes was fixed earlier and does not depend on what you do now, ubq.

References
  1. Pritchard (1994), p. 9
  2. Pritchard (2007), p. 181
  3. "Apocalypse". The World of Abstract Games • João Pedro Neto.

Bibliography

  • Pritchard, D. B. (1994). The Encyclopedia of Chess Variants. Games & Puzzles Publications. ISBN 0-9524142-0-1.
  • Pritchard, D. B. (2007). Beasley, John (ed.). The Classified Encyclopedia of Chess Variants. John Beasley. ISBN 978-0-9555168-0-1.
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