Correct answer: Qd21...Kf6 2.Q:g5# 1...K:d6 2.Nf7# 1.R:d7?? zz 1...Kf6 2.Q:g5# but 1...g4! 1.Qg3+?? 1...Kf6 2.Q:g5# but 1...Ke4! 1.Q:g5