Correct answer: d8Q1.d8B? zz 1...Ke5[a] 2.Bf6#[A] 1...Kc5/[б]/ 2.Bb6#[Б] but 1...d5! 1.d8N? zz 1...Ke5[a] 2.Nc6#[C] 1...Kc5/[б]/ 2.Ne6#[D] but 1...d5!
