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
Double Chess Double Chess Double Chess is a chess variant invented by Julian S. Grant Hayward in 1916. The game is played on a 12×16 chessboard with each player in control of two complete armies placed side-by-side. The rules were published in the January 1929 issue of "British Chess Magazine". The illustration shows the starting setup. A player wins by checkmating either enemy king. Additional rules: As in standard chess, pawns promote upon reaching the furthest . J. R. Capablanca, who had experimented with different forms of chess in the 1920s, found the game "remarkably interesting", and a four-game match was held