Correct answer: Qh81...Rb7 2.Qa1# 1.Qa1+?? 1...Ra6 2.Q:a6# but 1...Kb7! 1.Qc6?? zz 1...Rb7/Rb8/Ra6 2.Qa6# but 1...R:c6! 1.Qh8! zz
