Harikrishna knows that he is losing the battle on the queenside and tries his best to keep the opponent busy on the opposite wing.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. d2d3  6... b7b5  7. a4b3  7... d7d6  8. c2c3  8... e8g8  9. h2h3  9... c6a5  10. b3c2  10... c7c5  11. d3d4 Firouzja enters the Chigorin system  down a tempo. In comparison to the main lines, White does not have his  rook on e1. 11... d8c7  12. d4d5 When down a tempo, keep the position closed. 12... a5c4  13. b2b3  13... c4b6  14. a2a4  14... c5c4  15. a4b5  15... a6b5 An obviously recapture, and an inaccuracy! 16. a1a8  16... b6a8  17. b3c4  17... b5c4  18. c1a3 The bishop is very active on the  diagonal. Plus, Firouzja is setting up a devilish trap. 18... f6d7 The Indian GM is alert. 19. a3b4  19... d7c5  20. d1e2 The position has clarified in White's favor. The pawn on c4 is a  clear target for the white pieces and he has various maneuvers to get it.  Moreover, Firouzja has all the chances to seize the open a-file first. 20... a8b6  21. b1d2 