Correct answer: Ne31...Kd4[a] 2.Bb2#[A] 1...Kb4/[б]/ 2.Bd2#[Б] 1.Nd6? zz 1...Kd4[a] 2.Ndb5#[D] 1...Kb4/[б]/ 2.Nd5#[C] 1...c4 2.R:c4# but 1...e:d6! 1.