1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... b7b5  6. a4b3  6... f8c5 Caruana is a big specialist in the Arkhangelsk, one of the most dynamic choices for Black in the Ruy Lopez. 7. c2c3  7... d7d6  8. d2d4  8... c5b6  9. c1e3 This is a popular move in 2023. 9... e8g8  10. b1d2  10... f8e8  11. f1e1  11... h7h6 Always a useful move, avoiding the unpleasant Ng5. 12. h2h3  12... e5d4  13. c3d4  13... c6b4 The threat of ...Nd3 gives Black time to play the desired c7-c5. 14. d1e2  14... c7c5  15. a2a3  15... c5c4 [%c_effect c4;square;c4;type;GreatFind;persistent;true] All this has been played before. They not only play well; they also have a great memory. That's another impressive thing about Carlsen: he can play the opening casually, simply taking it to an even position and without theory, but he's also capable of playing the trendy variations up to move 20. 16. a3b4  16... c4b3  17. d4d5 A novelty. 17... b6e3  18. e2e3  18... f6d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] 19. e3d4  19... d5f4  20. d2b3  20... c8e6  21. b3a5  21... d8d7  22. d4e3 [%c_effect e3;square;e3;type;GreatFind;persistent;true] White needs to be careful with the Bxh3 tricks. 22... g7g5 It's always difficult to weaken the pawn structure around the king, but Caruana wants to keep the strong knight on f4. The alternative is to just sacrifice this piece. 23. f3d4  23... f7f5 [%c_effect f5;square;f5;type;GreatFind;persistent;true] 24. e3g3  24... f5e4  25. e1e4  25... d7f7 [%c_effect f7;square;f7;type;Inaccuracy;persistent;true] 26. a5b7 [%c_effect b7;square;b7;type;GreatFind;persistent;true] A brilliant move that poses practical problems for Black. 26... f7b7 [%c_effect b7;square;b7;type;Mistake;persistent;true] 27. e4f4  27... b7g7  28. f4e4 White has stabilized the position and now has a great knight on d4 as well as a better pawn structure. 28... e6h3 [%c_effect h3;square;h3;type;Mistake;persistent;true] The losing move. 29. g3b3 [%c_effect b3;square;b3;type;GreatFind;persistent;true] 29... g8h8  30. e4e8  30... a8e8  31. b3h3  31... g7d4  32. h3h6  32... h8g8  33. h6g5 Now the technical phase begins. 33... g8f8  34. g2g3  34... e8e2  35. g5f5  35... f8e7  36. a1a6  36... e2e1 