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
Opposite-colored bishops endgame Paulsen and Adolf Anderssen in their unofficial world championship match. It was a draw because of the wrong rook pawn. Play continued: This 1620 game between an unknown player and Gioachino Greco was won by Black on move 50. Opposite-colored bishops endgame The opposite-colored bishops endgame is a chess endgame in which each side has a single bishop, but the bishops reside on opposite-colored squares on the chessboard, thus cannot attack or block each other. Without other pieces (but with pawns) these endings are notorious for their tendency to result in a draw. These are the most difficult endings in