Correct answer: Qf41...Kg5/Kg6 2.Nf6# 1.Ke5?? zz 1...Kg5/e6 2.Nf6# but 1...Kg6! 1.Kf5?? (2.Qh3#/Qh2#) but 1...e6+! 1.Kf7?? zz 1...e6/e5 2.N