Correct answer: Ne21...f6 2.Re6# 1...N:c2 2.Q:c2# 1...e:d6 2.Qe8# 1...e5 2.Nf6# 1...Nb5 2.Qa8# 1...Nc6 2.Q:c6# 1...Nc8 2.Qa8#/Qc6# 1.Nf6+??