Chess Puzzle - Series 3086

White to move. How should white proceed ?

Grischuk VS Vachier-Lagrave

Source : chessdailynews.com

GM_Knockout said ;

1. Bd3!! Nc1
2. a5! Nxd3
3. a6 Nxf2
4. a7 d3
5. a8=Q d2
6. Qa7 Kf8
7. Kg6 Ke8
8. Qe3+ Kf8
9. Qe6

OR

1. Bd3!! Nc1
2. a5! Nxd3
3. a6 Nxf2
4. a7 d3
5. a8=Q d2
6. Qa7 Kf8
7. Kg6 Ke8
8. Qe3+ Kd8
9. Qxd2+ 

- Black resigned 0-1