Correct answer: R:e41...Rb6 2.Q:c5# 1...Rd6 2.Nf4#/Ne3#/Re5# 1...Ncd7 2.Nf4#/Q:c6# 1...Nb3/Nb7/Na4/Na6 2.Nf4#/Re5# 1...Ng8/N