Correct answer: Qh51...R:d5 2.Q:e4# 1.Nh4?? zz 1...R:d5 2.Q:e4# but 1...Ke3! 1.Ne3?? zz 1...R:d5 2.Q:e4# but 1...K:e3! 1.Qg4?? (2.Be2#)