1. e2e4  1... e7e5  2. f1c4  2... g8f6  3. d1f3 Earlier today I analyzed a slightly better version of this plan in a great game from Chinese GM Wei Yi. Placing the queen on f3 on the third move, without threatening mate on f7, seems to lose some of its charm in comparison to Wei Yi's game. But at least the knight is still developed on e2 without getting in front of the queen. 3... b8c6  4. g1e2  4... f8e7  5. b1c3  5... e8g8  6. d2d3  6... c6d4 [%c_effect d4;square;d4;type;Interesting;persistent;true] 7. e2d4  7... e5d4  8. c3d5  8... f6d5  9. c4d5  9... c7c6  10. d5b3  10... a7a5 A new move. 11. a2a4  11... d7d6 [%c_effect d6;square;d6;type;Inaccuracy;persistent;true] 12. e1g1 White has managed to complete development and has a small advantage. The pawn on a5 is poorly placed and can come under pressure from a white bishop on d2. 12... c8e6  13. b3e6  13... f7e6  14. f3h3  14... e6e5  15. f2f4  15... e5f4 [%c_effect f4;square;f4;type;Inaccuracy;persistent;true] Opening the f-file is wrong, but I suppose Firouzja didn't want to allow White's pawn to f5, since the pawn mass looks dangerous to human eyes. 16. h3e6 [%c_effect e6;square;e6;type;GreatFind;persistent;true] An important intermediate check. 16... g8h8  17. c1f4  17... f8f6  18. e6b3 [%c_effect b3;square;b3;type;Inaccuracy;persistent;true] 18... d8d7  19. f4d2  19... h7h6 Giving some useful air to the king. 20. b3c4  20... c6c5 [%c_effect c5;square;c5;type;Inaccuracy;persistent;true] Offering the d5-square is a big concession. It's better just to sac the d4-pawn. 21. f1f6  21... e7f6  22. a1f1  22... h8h7  23. c4d5  23... a8e8 [%c_effect e8;square;e8;type;GreatFind;persistent;true] The best defense. 24. f1f6 [%c_effect f6;square;f6;type;Interesting;persistent;true] A very interesting and brave decision, changing the character of the game. 24... g7f6  25. d5h5 [%c_effect h5;square;h5;type;GreatFind;persistent;true] The queen cannot go to g7 since the rook is hanging. 25... e8e5 [%c_effect e5;square;e5;type;Inaccuracy;persistent;true] There are better ways to defend. 26. h5h6  26... h7g8  27. h6f6  27... d7g4 [%c_effect g4;square;g4;type;GreatFind;persistent;true] If White stabilizes, it's possible that the passed pawns will decide the game. For now, Black is active enough to compensate. 28. f6f1 [%c_effect f1;square;f1;type;GreatFind;persistent;true] 28... e5h5  29. d2f4  29... g4e6 [%c_effect e6;square;e6;type;Inaccuracy;persistent;true] 30. f1f3  30... h5h7  31. b2b3  31... h7f7 The position is getting dangerous for Black because White now has the potentially winning plan of advancing the pawns. 32. h2h3 [%c_effect h3;square;h3;type;Inaccuracy;persistent;true] 32... e6f6 [%c_effect f6;square;f6;type;Mistake;persistent;true] Black had one last chance to activate the pieces with 33. f3g4  33... g8f8  34. g2g3  34... b7b6  35. g1g2 It might come as a surprise, but the game is simply over. Black has no way to prevent the improving of White's position and the advance of the pawns. 35... f7g7  36. g4f5 [%c_effect f5;square;f5;type;GreatFind;persistent;true] 36... g7f7  37. f5d5 