Correct answer: R:d71...d5 2.Bg7# 1...Bd5 2.N:g4# 1.R:d7! (2.Bg7#/Q:d4#) 1...Kf6 2.Bg7# 1...Bd3/B:c2 2.Q:d4# 1...Bd5 2.Bg7#/N