1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. c1e3 Carlsen decides to enter a theoretical battle in the Najdorf Defense. 6... f6g4  7. e3c1  7... g4f6  8. f2f3  8... e7e6  9. c1e3  9... b7b5  10. d1d2  10... b8d7  11. g2g4  11... b5b4  12. c3a4  12... h7h6  13. e1c1  13... d7e5  14. b2b3  14... c8d7 