Correct answer: Ng51...Nh4+ 2.R:h4# 1...Nf6 2.R:f5# 1...Nc3/Nc7/Nb4/Nb6 2.Be5#/R:f5# 1.Q:g3+?? 1...K:e4 2.Qf3#/Qe5# but 1...B:g3!
