1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. d2d3  4... f8c5  5. e1g1  5... d7d6  6. c2c3  6... e8g8  7. h2h3  7... a7a6  8. a2a4  8... c5a7  9. f1e1  9... h7h6  10. b1d2  10... f8e8  11. b2b4  11... c8e6  12. c4e6  12... e8e6 This is a critical position of the modern Italian Opening theory. 13. c1b2 This move is suggested by Giri in one of his opening courses. 13... f6h5  14. d2f1  14... c6e7  15. c3c4  15... e7g6  16. g2g3 [%c_effect g3;square;g3;type;Inaccuracy;persistent;true] A new move. Caruana probably got his preparation mixed up, which is very rare. 16... g6f4 [%c_effect f4;square;f4;type;Interesting;persistent;true] The idea of the knight sacrifice on f4 is thematic. It's also possible to place the other knight on this square. 17. g3f4  17... e6g6  18. g1h2  18... h5f4  19. f1e3  19... d8d7 [%c_effect d7;square;d7;type;Inaccuracy;persistent;true] This tempting move is a mistake. 20. f3g1 [%c_effect g1;square;g1;type;Mistake;keyPressed;undefined;persistent;true] 20... g6g1 [%c_effect g1;square;g1;type;GreatFind;persistent;true] 21. h2g1  21... d7h3  22. c4c5 [%c_effect c5;square;c5;type;Mistake;persistent;true] 22... h6h5 [%c_effect h5;square;h5;type;GreatFind;persistent;true] Preventing Qg4. Black is ready to play Re8-e6 with a decisive attack. 23. e1e2  23... a8e8  24. d1f1  24... f4e2  25. f1e2  25... e8e6  26. e3g2  26... e6g6  27. e2f1  27... h5h4  28. a1c1  28... a6a5 [%c_effect a5;square;a5;type;GreatFind;persistent;true] Firouzja plays perfectly. This move guarantees that the bishop on a7 will take part in the attack. 29. b2c3  29... h3g4  30. g1h2  30... h4h3  31. g2e3  31... g4f4  32. h2h1  32... f4f3  33. h1h2  33... f3f4  34. h2h1  34... d6c5 [%c_effect c5;square;c5;type;GreatFind;persistent;true] 35. b4c5  35... f4f3 