Correct answer: Ng51...Rd6/Ba7 2.R:e5# 1...Qf6/Nf6 2.Ng3# 1...Nd6/Nc7 2.R:e5#/Ne:g7# 1.R:f7+?? 1...Nf6 2.Ng3#/Nh:g7#/Ne:g7# but 1