Rules of chess the one nearest White's side of the board. Each square of the board, then, is uniquely identified by its file letter and rank number. The white king, for example, starts the game on square e1. The black knight on b8 can move to a6 or c6. In formal competition, each player is obliged to record each move as it is played in a chess notation in order to settle disputes about illegal positions, overstepping time control, and making claims of draws by the fifty-move rule or repetition of position. Algebraic chess notation is the accepted standard for recording games today.
Chess with different armies rook replacement to c1. This is so colorbound pieces don't change square color. Many pieces in the following armies are combination of standard chess pieces and 4 fairy pieces: "ferz", "alfil", "wazir" and "dabbaba" (see their movement diagrams above). The game can be played with standard chess pieces and the following move diagrams use standard pieces as well (except queens). In this army, rooks, knights, bishops, and queen are replaced by the following pieces: As mentioned, when using this army and castling queenside, the king moves "three" squares (from e1 to b1) and the bede moves from a1 to c1.