Touch-move rule the player touches his rook at the same time as touching the king, he must castle with that rook if it is legal to do so. If the player completes a two-square king move without touching a rook, the player must move the correct rook accordingly if castling on that side is legal. Otherwise, the move must be withdrawn and another king move made. When a pawn is moved to its eighth , once the player takes his hand off the pawn, a different move of the pawn can no longer be substituted. However, the move is not complete until
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