Correct answer: Nf11.Nf1! zz 1...K:f1 2.R:d1# 1...Ne3 2.Q:e3# 1...Nf2 2.Qg3# 1...Nc3 2.Qc5# 1...Nb2 2.Qe3#/Qg3#/Qc5#