Correct answer: Qg71...R:a7/Rc8 2.Qc8# 1...Rb8 2.a:b8Q#/a:b8R# 1...Rd8 2.Qf7# 1...Rd2/Rd1/Rd4/Rd5/R:d6/Rc3/Rb3/Ra3/Re3 2.B