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.

Modern commentators consider Staunton's understanding of positional play to have been far ahead of his contemporaries'. In 1858 attempts were made to organise a match between Staunton and Morphy but they failed. Staunton has been a controversial figure since his own time and his chess writings could be spiteful.