Correct answer: Qd51.Qf3?? zz 1...Ka6 2.Nb8# but 1...Kc8! 1.Qc4?? (2.Nd8#/Na5#) but 1...Kc8! 1.Qf7+?? 1...Kc8 2.Qc7# 1...Ka6 2.Nb8
