Correct answer: Bf31...Kc4 2.Rf4# 1...Ke5 2.Bc3# 1.Rf5?? zz 1...Kc4 2.Rf4# but 1...Ke3! 1.Rf2?? zz 1...Kc4 2.Rf4# 1...Ke3 2.Bc5#