Correct answer: Ba61...Nc4[a] 2.N:c4#[A] 1.B:b2? (2.B:c1#[Б]/Nc4#[A]) 1...f:g3 2.B:c1#[Б] 1...B:b2 2.Nc4#[A] but 1...Bd2! 1.Rb3+?? 1...Nd3 2.R<