Correct answer: Rhf31...Bf4/Bg3/Bh2/Bf6/Bg7/Bh8/Bd4/Bc3/Bb2/Ba1/Bd6/Bc7/Bb8 2.Qe8# 1...Bf3 2.Q:f3# 1.Rg3?? (2.Q:g4#)
