Correct answer: Nb31...Qh2/Qg3/Qd3/Qc3/Qb3/Qf1 2.Qe6# 1.Bg8+?? 1...Bf7 2.B:f7# but 1...R:g8! 1.Qf7+?? 1...Qe6 2.Q:e6# but 1...