Correct answer: Nf51.Ngh5?? (2.Ng4#/Nh7#/Ne4#/Ne8#/Nd5#/Nd7#) 1...Re1 2.Ne4# 1...Rg1 2.Ng4# but 1...Rf1! 1.Ne6?? (2.Ng4#/Nh5#/