Correct answer: Nc51...N:d3 2.Ra4# 1...Bg4/B:d3 2.R:g4# 1.Qg4+?? 1...K:d3 2.Nc5# 1...Be4 2.Q:e4# but 1...B:g4! 1.Rg4+?? 1...Be4 2.