Correct answer: Nd11.Qf6+?? 1...Kc5 2.Ne4#/Qb6#/d4# but 1...g:f6! 1.Nd1! (2.N5e3#/Ne7#/Nf4#/Nf6#/N5c3#/Nc7#/Nb4#/Nb6#) 1...K:d3 2.N<