IX. If a player touch one of his own Pieces or Pawns, he must move it, if he can do so legally. If he cannot legally move it, he must move his King. If a player touch more than one of his own Pieces or Pawns, he must move any one of them which his opponent may select; if none of them can be legally moved, he must move his King.
If a player touch one of his opponents Pieces or Pawns, he must take it if it can be taken legally; but if he cannot take it legally, he must move his King. If a player touch more than one of his opponent's Pieces or Pawns, he must take any one of them which his opponent may select; or if none of them can be taken legally, he must move his King. The touching of a force implies an intention to move or take it, according as it is the player's own or his opponents; but if a player wishes to touch a Piece or Pawn for the purpose of adjusting it on the board, etc., he must make his intention clear by saying "J'adoube," or words to that effect,