Correct answer: Bg51...Bf5 2.Qg5# 1...Nf5 2.Qg4#/Qg5# 1.N:f3?? (2.Qg5#) 1...Ne4/Nf7 2.Qh4# but 1...Bc1! 1.Q:f3+?? 1...Kh4 2.Ng6#