Correct answer: Ng41...d:e5 2.R:e5#/Q:e5# 1...Nd3 2.e:d3# 1.Rg4+?? 1...Nf4 2.Rg:f4#/Rf:f4# but 1...Q:g4! 1.Ng6?? (2.Qd4#) 1...Nb3 2.Qb1#