1. e2e4  1... e7e5  2. g1f3  2... g8f6  3. f3e5  3... d7d6  4. e5f3  4... f6e4  5. d2d4  5... d6d5  6. f1d3  6... c8f5  7. e1g1  7... f8e7  8. f1e1  8... e8g8  9. b1d2  9... e4d6 This is a fashionable line for Black these days, but I'm sure Carlsen doesn't mind playing for a small advantage with White here. 10. d2f1  10... c7c6  11. c1f4  11... f5d3  12. d1d3  12... b8a6 