Correct answer: Qf51...Kh3 2.Qg3# 1...Nh1/Ne4/Nd1/Nd3 2.Rh2#/Q:g4# 1...Nh3 2.Q:g4# 1.K:e7?? zz 1...Kh3 2.Qg3# 1...Nh1/Ne4/N