Correct answer: Nd21.Kg5?? zz 1...Ke5 2.Qd6# but 1...Kd5! 1.Nef2?? zz 1...Kc3 2.Qd3# 1...K:c5 2.Ke4# but 1...Kd5! 1.Nf6?? zz 1...K:c
