Correct answer: N:f71...Rh4/Rh3/Rh2/Rh1/Rh6/Rh7/Rh8/Re5[a] 2.Qe5#[A] 1...B:d6 2.Q:d6# 1...N:a6 2.N:a6# 1...g5 2.Qf5#/Qe5#[A] 1.N