before touching it. It must also be understood, that in compelling a player to move a particular Piece, the opponent can only indicate the Piece to be moved, not the particular move it shall make.
X. A legal move is complete and irrevocable when the player making it has ceased to touch the man moved, but as long as his hand remains in contact with it, he may move it to any square which it commands and which he has not touched with it during his deliberation. If a player after taking hold of a Piece or Pawn touches with it all the squares which it commands, he must move it to any one of them which his adversary may select.
XI. A Pawn on reaching the eighth rank must be queened or exchanged for any other Piece, except a King, that the player may select; and the move is not complete until the player has made the exchange.
XII. Each player may castle once during a game with either his King's Rook or
