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 