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
Kriegspiel (chess) follows. The game is played with three boards, one for each player; the third is for the umpire (and spectators). Each opponent knows the exact position of just their pieces, and does not know where the opponent's pieces are (but can keep track of how many there are). Only the umpire knows the position of the game. The game proceeds in the following way: The umpire announces: Pawn promotions are not announced. Kriegspiel is sometimes used in chess problems. In these, usual variations introduced by different black moves are replaced by variations introduced by different announcements. An example of a