Correct answer: Nd4+1...Kf6 2.Qg5# 1.Kc5?? zz 1...Kf6 2.Qg5# but 1...Kf5! 1.Kc6?? zz 1...Kf6 2.Qg5# but 1...Kf5! 1.Ng7+?? 1...Kf4 2.
