Correct answer: Ng51.Ndc5?? (2.Ne6#/Nb3#) 1...g2 2.Ne6# 1...Bd3 2.Q:d3# 1...Bd7 2.Qd3#/Nb3# 1...Ba4 2.Qd3#/Ne6# but 1...Bc4! 1.N<