Correct answer: Qf11...Rc6/Rcb8/Rd8/Re8/Rf8/Rg8/Rh8 2.N:c6# 1...Nc4/Nd5/N:d7/Na4 2.Qd5# 1...Bd4/B:e7/B:b4 2.Q:d4# 1...B