Correct answer: f41...Nef4 2.Ng3# 1...Ndf4 2.Ne3# 1...e3 2.Q:h7# 1.R:g4?? (2.Q:g5#) but 1...K:g4! 1.f4! (2.Q:g5#) 1...K:f4 2.Rf2# 1...e:f4 2.R