Correct answer: Qd31...d:c6 2.Q:c6# 1...d6 2.Nc7#[A] 1...f5 2.Nf4#[Б] 1.Bg3? (2.Nc7#[A]) but 1...Ne5[a]! 1.R:f7? (2.Nf4#[Б]) but 1...Nf6/[б]/! 1.g:f7?? (2.f8N