1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. e1g1  4... d7d6  5. c2c3  5... g8f6  6. d2d3  6... a7a6  7. c4b3  7... e8g8  8. f1e1  8... c5a7  9. b1d2  9... f6g4 [%c_effect g4;square;g4;type;Interesting;persistent;true] The game becomes sharp after this knight thrust. 10. e1e2  10... g8h8  11. h2h3  11... g4h6  12. d2f1  12... f7f5  13. c1g5 [%c_effect g5;square;g5;type;GreatFind;persistent;true] The most accurate. Carlsen certainly knows all the details of this position. I saw with my own eyes him playing this as Black in Brazil. This happened in 2014, an unforgettable year for us Brazilians, due to this visit of the then world champion and for a sporting event that I prefer not to remember. The memory feats of world champions like Fischer, Kasparov, and Carlsen are well documented—they are said to be able to remember almost every game they've played. Whether it's true or not, I don't know, but based on the quality of the next moves, I believe he remembered this opening well. 13... d8e8  14. g5h6  14... g7h6  15. d3d4 [%c_effect d4;square;d4;type;GreatFind;persistent;true] It's easy to notice why 12.Bg5 is a clever move: the queen is not comfortable on e8, right in the sight of white's rook. 15... f5e4  16. e2e4  16... e8g6 [%c_effect g6;square;g6;type;Inaccuracy;persistent;true] 17. f1g3  17... c8d7  18. b3c2 [%c_effect c2;square;c2;type;Inaccuracy;persistent;true] This is a new and not good move. Considering that Carlsen plays the right idea with incorrect timing, I have the firm theory, totally generated by my imagination, that he confused his analysis. 18... g6g7  19. d1d2 White prepares to bring the a1-rook to the game, but this move allows the exchange sacrifice on f3. 19... f8f3 Though objectively this move deserves a dubious mark, I won't dare criticize it as it looks so tempting from a human point of view. If I were playing against a mortal and without looking at the heartless machine's critical assessment, I might even already feel like I'm winning with Black here. Nothing is further from reality. 20. g2f3  20... e5d4  21. g1g2 A good move. 21... d4c3  22. b2c3  22... c6e5  23. f3f4 [%c_effect f4;square;f4;type;Mistake;persistent;true] This move not only squanders the advantage, but it also puts White in a very dangerous position. 23... e5g6  24. a1e1 [%c_effect e1;square;e1;type;Mistake;persistent;true] Losing on the spot. 24... g6h4 [%c_effect h4;square;h4;type;GreatFind;persistent;true] Much better than 25. g2h1  25... h4f3 Knights are tricky pieces. 26. d2d5  26... f3e1  27. d5b7  27... a8g8  28. b7a7  28... d7c6  29. c2b1  29... g7c3 Total collapse. It's a rapid game and both players had around two minutes on the clock. Carlsen continues the game, although the result is never in doubt. 30. h1h2  30... e1f3  31. h2g2  31... f3d2  32. g2h2  32... c6e4  33. b1e4  33... d2e4  34. g3e4  34... c3c4  35. a7b7  35... c4f7  36. e4g3  36... f7f4  37. b7b2  37... f4e5  38. b2c1  38... h6h5  39. h3h4  39... e5f6  40. h2g2  40... g8f8  41. c1e3  41... f6h4  42. e3d3 