Correct answer: Nf71.Be2?? (2.Bb5#) but 1...K:d7! 1.Nd5?? (2.Nb4#) but 1...K:d5! 1.Na6?? (2.Nb4#) but 1...Kd5! 1.Nf5?? (2.Rd6#) 1...Be5 2.