Correct answer: Qf51.Qh4?? (2.Qd8#) 1...Ne7 2.Q:e7# but 1...Nf6! 1.Qf3?? (2.Qf7#/Qf8#) 1...Nh6 2.Qf8# 1...Ne7 2.Qf7# but 1...Nf6!