Touch-move rule move or capture the first of the pieces that they touched. If it cannot be determined whether he touched his own piece or the opponent's piece first, it is assumed that he touched his own piece first. If a player touches more than one piece, he must move or capture the first piece that can be legally moved or captured. An exception to that is an attempted illegal castling; in that case the king must be moved if possible, but otherwise there is no requirement to move the rook. When castling, the king must be the first piece touched. If
Touch-move rule Touch-move rule The touch-move rule in chess specifies that, if a player deliberately touches a piece on the board when it is his turn to move, then he must move or capture that piece if it is legal to do so. If it is the player's piece that was touched, it must be moved if he has a legal move. If the opponent's piece was touched, it must be captured if it can be captured with a legal move. This is a rule of chess that is enforced in all games played in formal competitions. The player claiming a touch-move