Correct answer: Re31...Bg2/Bf1 2.R:g4# 1...Nd3/Nd7/Ne4/Nce6/Nb3/Nb7/Na4/Na6 2.Re4# 1...Nh5/Nf5+/Nge6/Ne8 2.Rf5# 1...g3 2.f:g3