chess moves can also be shown with punctuation marks and other annotation symbols. for example: ! means a good move, !! means a very good move, ? means a bad move, ?? a very bad move (sometimes called a "blunder"), !? a creative move that may be good, and ?! a doubtful move. for example, one kind of a simple "trap" known as the scholar's mate, as in the diagram to the right, may be recorded in full notation: