Correct answer: Qh41...Kc3 2.Nb5# 1...Kc5 2.Bb6# 1.Bf6+?? 1...Kc5 2.Qe7#/Qc7# but 1...Ke3! 1.Bb6+?? 1...Kc3 2.Nb5# but 1...Ke5!