Chess Puzzle - Series 2769

White to move. How should white proceed ?

Vittal, Sanjana VS Yu, Jennifer 

( 2018 US Girls Championship )

Source : chessdailynews.com

GM_Knockout said ;

1. a3!! Nc2
2. Bfxc2! R6xc2
3. R1h3 Rxb2
4. Rc1 Rba2
5. Qb3 R2xa3
6. Qb2 Raxh3
7. gxh3 Qxh4 
8. Rxc8 Qh5+
9. f3 Baxc8
10. Qb5 Qf7

- Game drawn with agreement 1/2 - 1/2