Correct answer: Qa11...Nh7 2.Ng6# 1.Qa7? (2.Q:g7#[A]/B:g7#[Б]) 1...Nh5[a]/Ne8/B:f8 2.B:g7#[Б] 1...Nd5/[б]/ 2.Q:g7#[A] 1...B:h6 2.Ng6# but