Correct answer: Nb41.Qf8+?? 1...K:d5 2.Nc7#/Qd6# but 1...Ne7! 1.Qe7+?? 1...K:d5 2.Nc7#/Qe5#/Qd6# but 1...N:e7! 1.Qa7+?? 1...K:d5 2