Correct answer: Qf11...Rh7/Rg8/Rf8/Re8 2.R:h7# 1...B:f6+ 2.Q:f6# 1...Bc7/Ba5/Ne7 2.Ng4#[A]/Ng8# 1...Bb6 2.Ng4#[A] 1...Bh1/Bf1/B