Correct answer: c71...Rd7/Rc8/Ra8/Re8/Rf8/Rg8/Rh8 2.Q:d7# 1...Rb8 2.Q:b8# 1.Kb6?? (2.Qc7#) 1...Rd7/Rc8 2.Q:d7# 1...Rb8 2.
