Correct answer: Qf31...Rd8/Be8 2.Q:d8# 1...Rb8 2.Qa3# 1.Qd5?? (2.Q:b7#) 1...Rb8 2.Qa5# but 1...B:d5! 1.Qd7?? (2.Q:b7#) 1...Rb8 2.Q