Correct answer: Re3+1...Kf4[a] 2.Bd6#[A] 1...Kd4/[б]/ 2.Bf6#[Б] 1.Rg5+? 1...Kf4[a] 2.Ng2#[C] 1...Kd4/[б]/ 2.B:c5#[D] but 1...f5! 1.Ng6+?? 1...Kd