1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. b1c3  3... g8f6  4. h2h3 According to my database, this is only the second time Vachier-Lagrave plays this system. It's interesting to see him avoiding a theoretical battle in his favorite Najdorf Defense. 4... a7a6 Black has many ways of playing, but including a6-a4 is useful to discourage White's plans of castling queenside in the future. 5. a2a4 Played in order to prevent b7-b5. 5... b8c6  6. d2d4  6... c5d4 