Correct answer: d31...N:c5[a] 2.Nb6#[A] 1...Nd4/[б]/ 2.e4#[Б] 1...Bc3/B:c5/Ba3 2.N:c3# 1...Nb7/Nc6 2.c4# 1.d4? (2.Nb6#[A]) 1...N:d4/[б]/ 2.e4#[Б] 1...