Correct answer: e71...e4[a] 2.Nd3#[A] 1...c5/Nc5/[б]/ 2.Nc4#[Б] 1...g5 2.Nf5# 1.B:g6? (2.Nd3#[A]) but 1...e4[a]! 1.Rc6? (2.Nc4#[Б]) but 1...Nc5/[б]/! 1.Ke1??
