Correct answer: Ne31...d5 2.Nc6#[A] 1.Nb6? (2.Nc6#[A]/Rc4#[Б]) 1...d5/e4 2.Nc6#[A] but 1...a:b6! 1.R:e5? (2.Nc6#[A]) but 1...d:e5! 1.Ne3! (2.Rc4#[Б]) 1.