Correct answer: Rc51...B:d5/Bd7/Bc8 2.Nd3# 1.Rb5? (2.d:e6#/Nd3#) 1...N:e3[a] 2.R:e3#[A] 1...N:f4/[б]/ 2.R:c2#[Б] 1...Bd6/Bb6/Ncd4/Na