Correct answer: d31...Nfg4/Nh1/Nh3/Nd1/Nfd3 2.e4# 1...Nf3/Nf7/Neg4/Ng6/Ned3/Nd7 2.c4# 1...g6/g5 2.Nf6# 1...Be7/Bf8 2.N8:c7# 1...B: