Correct answer: Nc41...Qh4/Qh3/Qh8/Qf7 2.Bf7#[A] 1...Rc6 2.Q:c6# 1...Rc5 2.Nf6# 1...Rb7/Rd7/R:e7 2.Qa2#/Qc6# 1...Ng3/Ng7/Nh