Correct answer: Rg41...Rf1/Rf6/Rf7/Rf8/Rg3 2.Ng3# 1...Qb5/Q:a5/Qd5/Qe5/Qf5/Qg5 2.Qg4# 1.R:c5+?? 1...Rf5 2.Qg4# but 1...d5!
