Correct answer: Nde41...Kd4 2.Nf7# 1.Ne8?? (2.Qf6#) 1...Qf5 2.Qd6# but 1...Kf5! 1.Nf7+?? 1...Kf5 2.Qg5# but 1...B:f7! 1.Nd7+?? 1...<