Correct answer: c71.c7! (2.Rd4#/Rd3#/Rd2#/Rd1#/Rd6#/Rd7#/R:d8#/Rc5#/Rb5#/Ra5#/Re5#/Rf5#/Rg5#) 1...Kb7/B:c7 2.Rb5# 1...Nd6
