Correct answer: Neg7+1.Ng5?? (2.Nf6#) but 1...Kd7! 1.Nd8?? (2.Nf6#) but 1...Kd7! 1.Nc7+?? 1...K:f7 2.e8Q# but 1...Kd7! 1.Nhg7+?? 1...Kd