Correct answer: Nf61...Nc7/d6/d5 2.Nd6# 1...Q:e8 2.R:e8# 1...Qf6+ 2.N:f6# 1...Qc7 2.Nd6#/N:c7# 1.Qc4+?? 1...Qc7 2.Nf6#/Ng7#/Nd6#/N