Correct answer: Nd:e51...Nh4/Nf4/Ne1/Ne3 2.Nf4# 1...f5 2.R:e5# 1...B:c5 2.N:c5# 1.Nh2?? zz 1...Nh4/Nf4/Ne1/Ne3 2.Nf4# 1...B:c5