Correct answer: Rb71...Rf5/Rf8/Ra7 2.Qa7# 1...N:f3 2.Ne4# 1...Ne2 2.N:d3# 1...Qh2/Qf1/Q:f3 2.Rf1# 1.Be1+?? 1...Kf1 2.B:g3# but