comment: This queenside expansion is a very common idea in the Ruy Lopez.
context: 1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5 Vachier-Lagrave has a playing style and opening repertoire very similar to that of Bobby Fischer. The Ruy Lopez is one of his favorite openings. 3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. f1e1  6... b7b5  7. a4b3  7... e8g8  8. h2h3  8... c8b7  9. d2d3  9... d7d6  10. a2a4  10... c6a5  11. b3a2 