Correct answer: Bf51...Bf3/Rg4/Rg5/Rg6/Rgg7/Rg8/Rd3 2.Rd3# 1...Nc5/Rc4/Rb7/Rd7/Re7/Rf7/Rcg7/Rh7 2.Rc4# 1...f5 2.Qe5# 1