Correct answer: Nd31...f:g6/f6 2.Qe6# 1.g:f7?? (2.Bh7#/Qh7#/Qe6#) 1...f2 2.Bh7# but 1...B:d5! 1.Ra7?? (2.Re7#) but 1...B:d5! 1.Nd3! zz 1...K:d3