Correct answer: Nc41...Ne6 2.Qg6# 1...Nb7 2.B:d7# 1...f:e5 2.Qg6#/Qf7# 1...Nf4 2.Ng7# 1...Nc1/Nb4 2.R:f2# 1.Ng6?? (2.Ng3#/Ng7#/Ne7#)