Ultimately it all ended in a Dragon. White can be happy that he got his opponent out of his comfortable Najdorf zone, whereas  Vachier-Lagrave can enjoy the relatively obscure position of the enemy  light-squared bishop on e2 (it normally stands much more actively on b3)  in this double-edged position.
1. e2e4  1... c7c5  2. b1c3  2... d7d6  3. f2f3 It's not the first time that the world champion  used this rare line. 3... b8c6  4. f1b5  4... g7g6  5. g1e2  5... f8g7  6. d2d4  6... c5d4  7. e2d4  7... c8d7  8. c1e3  8... g8f6  9. d1d2  9... e8g8  10. e1c1  10... a8c8 