Correct answer: Bg71...Qg7+ 2.Q:g7#/B:g7# 1...Qh8 2.Q:h8# 1.Bg7! zz 1...a2 2.Nc2# 1...Nc6/Nc8 2.R:a3# 1...Ng4/Ng8/Nf7 2.Qh1#