Correct answer: Bd21...Rc4/Rb8/Ra8/Rd8/Re8/Rf8[a] 2.N:c4#[A] 1.Nd2? (2.Nf3#) 1...Kd4/Rf8[a] 2.Ndc4#[C] 1...B:e4/[б]/ 2.Q:e4#[Б] but 1..