Correct answer: Qf71...Nd4/Ne1/Ne3/N:b4/Na1/Na3 2.Ne3# 1...e:f3 2.e4# 1.Rd4+?? 1...N:d4 2.Ne3# but 1...R:d4! 1.Qf7! (2.Nf6#) 1...N