Correct answer: Ke31...Kd5 2.Qe4# 1.Ng4+?? 1...Kd5 2.Qe4# but 1...Kd4! 1.Nd1?? zz 1...Kd5/Kd4 2.Qe4# but 1...d5! 1.Nd3+?? 1...Kd5 2.
