Correct answer: N:d41...Ke4[a] 2.Rd:d4#[A] 1...Kg5/[б]/ 2.Bd2#[Б] 1...Ng7/Nh6/Ne3/Ne7 2.Rb:d4# 1.Rb:d4+?? 1...Kg5/[б]/ 2.Bd2#[Б] but 1...N:d4!