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