Correct answer: Bd31...Q:c4 2.Nef3# 1.Bd3! (2.Ngf3#/Nef3#) 1...Rd7/R:d8/Re6/Rf6/Rh6 2.Nf3# 1...Rg6 2.Rf4# 1...Rg8 2.Nf3