Correct answer: Ne71...Kg8 2.R:g7# 1.N:h4?? (2.Q:g7#) 1...Kh6 2.Qg6# but 1...R:f7! 1.Nh8?? (2.Q:g7#) 1...Kh6 2.Qg6# but 1...R:f7! 1.N<