Correct answer: Qc71...Nb3/Rd1/Rd4/Rd5/Rd6/Ra3+ 2.Na3#[A] 1...Rd2 2.N:d2#[Б]/Na3#[A] 1...Rc3/Rb3/Re3/Rf3/Rg3/Rh3 2.Nd2#[Б]