Correct answer: Qh41.B:b7+?? 1...Nc6 2.B:c6# 1...c6 2.Q:d6# but 1...N:b7! 1.N:c7+?? 1...Kc5 2.Q:d6# but 1...Kd4! 1.Nf3+?? 1...Kc6 2.Q