[%c_effect b8;square;b8;type;GreatFind;persistent;true] Preparing the typical pawn break with b5-b4.
1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. c1g5  6... e7e6  7. f2f4  7... d8b6 The Poisoned Pawn Variation of the Najdorf was Fischer's and Kasparov's favorite. Computers are not capable of proving an advantage for White, but it takes courage and a good memory to play this line with Black, qualities that Vachier-Lagrave certainly isn't lacking. 8. d4b3 What should we call this: an Anti-Poisoned Pawn Variation $2 8... b8d7  9. d1e2 The development of the white queen on e2 is a relatively recent invention, and many players now prefer this square and not the old but also pleasant f3. 9... b6c7  10. e1c1  10... b7b5  11. a2a3  11... f8e7  12. c1b1 All these moves are very natural for both sides. Being the greatest living expert on the Najdorf, Vachier-Lagrave should have all this very well prepared.