[Event "USAT22"] [Site "Internet Chess Club"] [Date "2022.11.13"] [Round "2"] [White "Liang, Awonder"] [Black "Viswanadha, Kesav"] [Result "1-0"] [WhiteElo "2679"] [BlackElo "2455"] [TimeControl "5400+5"] [Annotator "jjlang"] [Variant "Standard"] [ECO "C92"] [Opening "Ruy Lopez: Closed, Flohr System"] [StudyName "USAT playoffs"] [ChapterName "Liang, Awonder - Viswanadha, Kesav"] [ChapterURL "https://lichess.org/study/OUTmvF4C/gB7ATkZq"] [Orientation "white"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Nd7 11. Nbd2 exd4 12. cxd4 Bf6 13. Nf1 Na5 14. Bc2 Re8 15. Ng3 g6 16. Bh6 c5 17. e5 dxe5 18. dxc5 b4?? { The problem with this move is more positional than tactical: it concedes a critical light-squared color complex weakness. } (18... Nc4 19. Ne4 Be7 20. b4 a5 21. a3 { At least, now, Black is fighting back on the dark squares. } 21... Nf6) 19. Ba4! Bc6 { After this exchange, Black's position will be unplayable. } 20. Bxc6 Nxc6 21. Ne4 Bg7 22. Bxg7 Kxg7 23. Qd5! Qc7 24. Rad1?! (24. Nfg5!) 24... Rad8 25. Qc4 a5 26. Rd6 h6 27. Red1 f5 28. Nh4 (28. Rxg6+! { White had a more immediate knockout. } 28... Kxg6 29. Nh4+ Kg7 30. Nxf5+ Kh8 31. Qf7 Rg8 32. Rd6!) 28... Ne7 29. Ng3 Nf8 30. Qe2 e4 31. Qe3 Rc8 32. Nh5+! gxh5 33. Qxh6+ Kg8 34. Qg5+ Kh8 35. Rh6+ Nh7 36. Qf6+ Kg8 37. Rxh7 Kxh7 38. Qf7+ Kh8 39. Rd6 { Black resigns } 1-0