Castling Castling Castling is a move in the game of chess involving a player's king and either of the player's original rooks. It is the only move in chess in which a player moves two pieces in the same move, and it is the only move aside from the knight's move where a piece can be said to "jump over" another. Castling consists of moving the king two squares towards a rook on the player's first , then moving the rook to the square over which the king crossed. Castling may only be done if the king has never moved, the
Touch-move rule The Yugoslav grandmaster Milan Matulović was nicknamed "J’adoubovic" after such an incident . The touch-move rule has existed for centuries. In the Middle Ages strict rules were considered necessary because chess was played for stakes. Luis Ramirez de Lucena gave the rule in his 1497 book "Arte de Axdres" . Benjamin Franklin referred to it in his 1786 essay "The morals of chess" . At one time the rule also required the player who played an illegal move to move his king. In the first half of the nineteenth century, Rule XIII of the London Chess Club provided: If a