The puzzle 'Saint-Amant-Staunton, Paris 1843'(http://www.chess.com/chessmentor/view_lesson?id=458) has a problem:
fxe6
Oh! I missed the c7 rook!
The puzzle 'Saint-Amant-Staunton, Paris 1843'(http://www.chess.com/chessmentor/view_lesson?id=458) has a problem: