Correct answer: Qb71...Kc2 2.Rc:c3# 1...Rb5/Rb6/Rb7/Rb8/Ra4 2.Rd:c3# 1.Qc5?? zz 1...Ka3/Ka4/R:d3 2.Q:b4# 1...Kc2 2.Rc:c3# 1