Correct answer: Qf21...Bf5[a] 2.Qc3#[A] 1...f:e6/[б]/ 2.Nc6#[Б] 1...e:f6[c] 2.Qd5#[C] 1...Be2/Bf1/Be4/Bg6/Bh7/Bc2/Bb1/Bc4/Bb5/Ba6 2.d4# 1...N