1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. f2f3  6... e7e6  7. c1e3 An  interesting fact. The Najdorf was Topalov's bread and butter on the road  of the world championship title before switching to more quite lines,  whereas Vachier-Lagrave constantly uses the sharp Sicilian.