Correct answer: Qc21...b4 2.Rc4# 1...Qe5 2.B:e5# 1.Rf4? (2.Nf5#[A]/Ne2#[Б]) 1...Ra2/e2 2.Nf5#[A] 1...Q:g7 2.e5# 1...Nh6 2.Ne2#[Б] but 1...R:g7