Correct answer: Bf41...e4[a] 2.Nf4#[A] 1...d3/[б]/ 2.Ne3#[Б] 1.Be3? zz 1...e4[a] 2.Nf4#[A] 1...d3/[б]/ 2.Rc5#[D] 1...d:e3 2.N:e3#[Б] but 1...f4! 1.K:f5?? zz 1...e4[a]