Correct answer: Be3+1.Ba3+? 1...Kd5[a] 2.Kf6#[Б] 1...Kb5/[б]/ 2.Kf4#[A] but 1...Rb4! 1.Na6+?? 1...Kb5/[б]/ 2.Kf4#[A]/Rb4# but 1...Kd5[a]! 1.K