Correct answer: Ng51...Bf6/Bh4/Bd6/Bd8 2.Qd6# 1...Bg5+/Bf8 2.R:g5# 1...B:c5+ 2.R:c5# 1...Nf4 2.Bc3# 1...Ng1/Ng3/Nc1/Nc3 2.B