Correct answer: Rb31...Ke4 2.Qe5# 1.Ra6?? (2.Qe5#) but 1...Ke4! 1.Ra7?? zz 1...Kc6 2.Q:c4# but 1...Ke4! 1.Qf6?? zz 1...Ke4 2.Qe5# but 1
