1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... c7c6  5. c1g5  5... h7h6  6. g5h4  6... d5c4  7. e2e4  7... g7g5  8. h4g3  8... b7b5 One can only admire the courage of Matlakov for choosing this  super-sharp line against the world champion! 9. h2h4  9... g5g4  10. f3e5  10... b8d7  11. f1e2  11... c8b7  12. e5d7  12... d8d7  13. g3e5  13... d7e7  14. b2b3  14... h8g8  15. d1c2  15... b5b4  16. c3a4  16... c4c3  17. a2a3  17... f6d7  18. e5g3  18... f8g7  19. a1d1  19... a7a5  20. e1g1  20... g7f6  21. a4c5 A logical novelty. Carlsen  opens the d-file for a direct attack against the enemy king. 21... d7c5  22. d4c5  22... e6e5  23. d1d6 