Correct answer: Qd21...Q:b5+[a] 2.Q:b5#[A] 1...Q:d4+/[б]/ 2.N:d4#[Б] 1...Qa2/Qa3 2.Nc3#/Nc7#/Na3# 1...Qc2/Qd2/Qc1/Qc3/Nb3 2.Nc3#/Nc7