Correct answer: Q:g51...K:e4[a] 2.Qe2#[A] 1...K:e6/[б]/ 2.Qe8#[Б] 1...g4 2.Q:f5# 1.R:f5+? 1...K:e4[a] 2.Qf3#[C] 1...K:e6/[б]/ 2.Qf7#[D] but 1...K:f5!