3...Nxb4 4.Ne5! d4 5.Rb3! Nc6 6.Nxd7 Qxd7 7.exd4 Qd5 8.Qf3 +-

4...Ne7 5.e4! Rc4 6.Ne5 +-

Thanks to his extra pawn White is clearly better.

Preparing ...Rfa7 with an attack on the a3-pawn before White manages to defend it.

The depressing 2.Nd2 Rfa7 3.Nb1 can be met by 3...e5! , opening the position for the bishops; e.g. 4.dxe5 Bxe5 with a huge advantage.

Preparing ...Be8-g6. Black later converted his extra pawn.

Intending ...Ne7-f5 with an attack on the weakness on e3.

Preparing Nd2-f1.

3.Nb3? Nf5 the queen can't protect the e3-pawn due to the discovered attacks.

Vacating the d1-square for the knight.