Correct answer: Nf51.Nc2? (2.Ned4#[Б]/Nc7#[A]) 1...Kb3[a] 2.Ned4#[Б] 1...Kb5/[б]/ 2.Nc7#[A] but 1...f5! 1.Qg6?? (2.Qd3#/Qc2#) but 1...f5! 1.Qg2?? (2.