Correct answer: Nd51.Ne4+?? 1...Kd5 2.Qd4# but 1...Kb6! 1.Na2?? zz 1...Kd5 2.Qd4# 1...d5 2.Qb4# but 1...Kb6! 1.Nd5! zz 1...K:d5 2.Qd