Correct answer: Qd71...g6 2.Qh6# 1.Kf5?? (2.Qh2#/Qg5#) 1...Kh4 2.Qh2# but 1...g6+! 1.Qg2?? (2.Qg4#) but 1...g5! 1.Qf4?? (2.Qg4#) 1...Kg6 2.Q<