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
Three-player chess avoid this "petty diplomacy" problem by determining the victor as the player who first delivers checkmate, with the third player losing in addition to the checkmated player. Other solutions have been tried as well. Some variants use a board with hexagonal cells. Usually three bishops per side are included, to cover all cells of the hex playing field. Pieces move usually as in one of the versions of hexagonal chess. Some variants use a hexagonal-shaped board with quadrilateral cells (see example in the photo). Some variants have used other board shapes with quadrilateral cells. Triangular cells not on the perimeter