1786. If a player, in his turn to play, touch one of his men, he must move that piece, if it can legally move, unless, when he first touches it, he says aloud, "J'adoube." No penalty is attached to touching a piece, unless it is your turn to move.
1787. If the player touch his king, with the intention of moving him, and then finds that he cannot do so without placing the king in check, no penalty can be inflicted on his replacing his king and moving elsewhere.
1788. [Otherwise?] If the player should touch a man which cannot be moved without placing his king in check, he must move his king instead.
1789. If a player about to move touch one of his adversary's men, without saying "J'adoube" when he first touches it, he must take that piece, if it can be lawfully taken.
1790. Should it not be taken, he must, as a penalty, move his king; but should the king be unable to play without going into check, no penalty can be enforced. It is not allowed to castle upon a compulsory move of the king.