Rook (chess) Rook (chess) A rook (; ♖,♜) is a piece in the strategy board game of chess. Formerly the piece (from Persian رخ "rokh"/"rukh") was called the "tower", "marquess", "rector", and "comes" . The term "castle" is considered informal, incorrect, or old-fashioned. Each player starts the game with two rooks, one on each of the corner squares on their own side of the board. The white rooks start on squares a1 and h1, while the black rooks start on a8 and h8. The rook moves horizontally or vertically, through any number of unoccupied squares (see diagram). As with captures by other
Three-player chess have three cells obliquely adjacent, and three cells adjacent at points. Circular boards have three- or four-sided cells, but not triangular or quadrilateral. Some variants incorporate fairy chess pieces in addition to standard chess pieces. The introduction of a third player drastically alters the style of play, even when standard pieces are used. Many chess openings are useless due to the extended board and third player. Each player must think twice as far ahead—anticipating the moves of both opponents, with the added complexity that the next player may move to attack either opponent. If a player trades off pieces with