Correct answer: Nb71...Be5/Bf6/Bg7/Bh8/Ba1 2.Rb4# 1.Nd7? (2.Rb4#) 1...Bc3[a] 2.Nb6#[A] 1...Bc5/[б]/ 2.Ne5#[Б] but 1...Bb2! 1.B:d4?
