Correct answer: Nf71...K:e5 2.Rf7# 1...K:c3 2.Qb2# 1...N:e5 2.Nb5# 1.Rf4+?? 1...K:c3 2.Qb2#/Qb3# 1...N:f4 2.Nb5#/N:f3#/Nf7#/Nd