Correct answer: Qh11...N:c3[a] 2.N:c3#[C] 1...Q:c4/[б]//Qc8/Qf7/Qg7/Qh7/Qa5 2.R:d6#[D] 1...Re3/R:e2/Rd4 2.Rd4#[A] 1...R:f4 2.N:f4#[Б]