Correct answer: Nd31...g5 2.B:f5# 1.Ne2?? (2.Nd4#) 1...Nf4 2.N:f4# but 1...Nc5! 1.Nb3?? (2.Nd4#) 1...Nc5 2.N:c5# but 1...Nf4! 1.Rb7?? (2.
