Correct answer: Nd41...Bd4/Rh3/Rh2/Rh1/Rh5/Rh6/Rh7/Rb4+ 2.Nb4# 1...Bc3/Rd4 2.N:c3# 1...Re4 2.d:e4# 1...Rc4 2.d:c4# 1.Nd4! (2.