Correct answer: Rb3+1.Rb4? (2.Nc5#[A]) but 1...Ke4! 1.Rc8? (2.Qe3#[Б]) but 1...Ke4! 1.Kb3? (2.Nc5#[A]/Qe3#[Б]) but 1...Ke4! 1.Kb4?? (2.Nc5#[A])