Correct answer: Qb51...a5 2.Nb5# 1...Ng4+/Nf5/Nf7 2.R:g4# 1...B:d5 2.R:d5# 1.Bf1? (2.e3#[Б]) 1...Ng4+/Nf5 2.R:g4# but 1...Rc2[a]! 1.Rgg5?
