Correct answer: Qb61.Qd6+?? 1...Kc8 2.Nd8#/Nc5# but 1...K:d6! 1.Qb7+?? 1...Qc7 2.Q:c7# but 1...Kd6! 1.Nf4+?? 1...Kd8 2.Qd6# but 1...