Correct answer: f8Q1...Rb6/Rb5/Rb4/Rb3/Rb2/Rb1/Rb8/Ra7/Rc7/Rd7/Re7/R:f7 2.Q:f3# 1...f:e2 2.Q:b7# 1.Qa4?? (2.Qg4#) but 1...R