Correct answer: Nd21...d3 2.Bb2# 1...Bg1/Bf4 2.Bf4# 1...Nh5/Ne6/Ne8 2.R:f5# 1.Nd6? (2.Nc4#) 1...Ra4[a] 2.Ndf7#[Б] 1...Bf1/[б]/ 2.Nf3#