Correct answer: Bg51...Rh3/Rh2/Rh1/Bg5 2.Q:d5# 1...Rg5/Bf4/Bg7/Bf8 2.Rf4# 1.Qf7+?? 1...Bf4 2.Q:f4#/Q:h5#/R:f4# but 1...Rf5!
