Correct answer: Qa81.Qa2? zz 1...Ke4[a] 2.Nd2#[D] 1...K:e6/[б]/ 2.Nd4#[Б] 1...Kc6[c] 2.Na5#[C] but 1...d:c5! 1.Nb4+[A]?? 1...Ke5/K:e6/[б]/ 2.Qe1#