Correct answer: Qh21...Kf1 2.Qh1# 1.Kc2?? zz 1...Kf1 2.Qh1# but 1...c3! 1.K:c4?? zz 1...Kf1 2.Qh1# but 1...Kd2! 1.Bg4?? zz 1...Kf1 2.Q