Correct answer: R:c61...Nd5 2.Qh7# 1...Nb5 2.Q:c6# 1.Qb4+? 1...Kd5[a] 2.Qc4#[A] 1...Nd4/[б]/ 2.Q:d4#[Б] but 1...B:b4! 1.Rc4+?? 1...Nd4/[б