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
The Game of the Century (chess) becoming in 1958 the world's youngest grandmaster at the age of 15. He won the world championship in 1972, and is considered by many to be the greatest chess player of all time. In this game, Fischer (playing Black) demonstrates noteworthy innovation and improvisation. Byrne (playing White), after a standard opening, makes a seemingly minor mistake on move 11, losing a tempo by moving the same piece twice. Fischer pounces with brilliant sacrificial play, culminating in a queen sacrifice on move 17. Byrne the queen, but Fischer gets far too much for it – a rook, two bishops, and a