Correct answer: Rd81...K:f4 2.Qg3# 1...Kd4 2.Qh8# 1.Ra7?? zz 1...K:f4 2.Qg3# 1...Kd4 2.Qh8# but 1...K:d6! 1.Ra6?? zz 1...K:f4 2.Qg