Correct answer: Nd71...Bc3[a] 2.Nf3#[A] 1...Be4/[б]/ 2.R:e4#[D] 1...Bd3[c] 2.R:d3#[E] 1...e5[d] 2.Ne2#[C] 1...Qb7 2.N:e6#/N:b7# 1...Qa6/Qc6/Q:c7/R