Correct answer: Qe41.Qg5?? zz 1...Kh8 2.Qh6# but 1...Kf8! 1.Qf4?? zz 1...Kh8 2.Qh6# but 1...Kf8! 1.Qh5?? zz 1...K:f6 2.Qe5# but 1...Kf8
