If, during the course of the game, it be discovered that any error or illegality has been committed in the moves of the pieces, the moves must be retraced, and the necessary correction made, without penalty.
Howard StauntonIf either player abandon the game by quitting the table in anger, or in an otherwise offensive manner; or by momentarily resigning the game; or refuses to abide by the decision of the Umpire, the game must be scored against him.
Howard StauntonTo play with correctness and skill the ends of games, is an important but a very rare accomplishment, expect among the magnates of the game.
Howard Staunton