Correct answer: Qh71...O-O-O 2.Qc3# 1.Qh5+?? 1...Kf8 2.Qf7# but 1...Kd8! 1.Qh7! (2.Q:g8#) 1...Kd8 2.Qd7# 1...Kf8 2.Qf7# 1...O-O-O 2.Qc
