Correct answer: Nce51...Be3/Bf2/Bg1/Bf6/Bc5/Ba7 2.Rf6# 1.e5[Б]? (2.Rf6#) 1...B:e5[a] 2.Nc:e5#[C] 1...Bb6/[б]/ 2.N:b6#[D] but 1...f5! 1.R4