Correct answer: Q:d21...K:f6 2.Qg7# 1...Re7/Re8/Rd6 2.Qd6# 1.Ng6+?? 1...K:f6 2.Qg7# but 1...B:g6! 1.Qd5+?? 1...K:f6 2.Q:f5# but 1...c
