Correct answer: Rg51...Ne5 2.d:e5# 1...Nf2 2.Q:f4# 1...Nc5 2.d:c5# 1.Rc2?? (2.Rc6#) 1...Ne5 2.d:e5# 1...Nc5 2.d:c5# but 1...Rc1! 1.Nb6?? (2.Nc8#)