Correct answer: Qd61...d6 2.Qe7# 1.Qc5?? (2.Qe7#) 1...Kd8 2.Qf8# but 1...d6! 1.Q:d7+?? 1...Kf8 2.Qe7# but 1...K:d7! 1.Qd6! (2.Qe7#) 1...