Correct answer: Qe11...Rh3/Rh2/Rh1/Rh5/Rh6/Rh7/Rh8/Rf4 2.Rf4# 1.Nd6+? 1...K:e3[a] 2.Qe1#[A] but 1...K:e5! 1.Nb2? (2.Q:d4#)