Correct answer: Nb31...Bb6 2.Qf4# 1.Qc6+?? 1...Ke5 2.N:f3# but 1...K:d4! 1.Rh4+?? 1...Bf4 2.R:f4# but 1...Q:h4! 1.Ndc6?? (2.Qd4#) 1.
