Correct answer: Qh11.Qa3?? (2.Qe7#) but 1...Kd8! 1.Qa4+?? 1...Kd8 2.Qd7# but 1...Kf8! 1.Qh1! (2.Qa8#) 1...O-O 2.Q:h7# 1...Bf5/Be4 2.Q<