[Event "Chessable Sunway Sitges Chess Festival"] [Site "Sitges"] [Date "2023.12.19"] [Round "7"] [White "Bharath Subramaniyam H"] [Black "Tiglon, Bryce"] [Result "0-1"] [WhiteElo "2504"] [BlackElo "2485"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "D27"] [Opening "Queen's Gambit Accepted: Classical Defense, Main Line"] [Source "https://lichess.org/study/u9vHrp1t/aHdpQvzE"] [Orientation "white"] 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Nbd2 cxd4 8. Nxd4 Bc5 9. Bd3 O-O 10. Ne4 Nxe4 11. Bxe4 Qe7 12. Qc2 f5 13. Bd3 Bxd4 14. exd4 Nc6 15. Bf4 Nxd4 16. Qc3 Nc6 17. Bc4 Qf6 18. Qa3 Re8 19. Rad1 Kh8 20. Rd6 Qe7 21. Rfd1 e5 22. Be3 f4 23. Bc5 Qc7 24. Bd5 Bf5 25. Bxc6 bxc6 26. Qa4 Qf7 27. Qxc6 Rac8 28. Qb6 Qxa2 29. Rd8 h6 30. Rxe8+ Rxe8 31. h4 Kh7 32. Qc6 Re6 33. Qb7? { It is in White's interest to trade off pieces into an opposite-colored bishop endgame. Until then, the presence of rooks offers attacking chances for both sides. While White's queen is staying on the crucial h1-a8 diagonal, it will turn out to be difficult for her to stay here, as Black plans ...Qa2-c4 followed by ...Bf5-e4 and ...Re6-g6. } (33. Rd6 Rxd6 34. Bxd6 Qa1+ 35. Kh2 Qxb2 36. Qc5) 33... Qc4? { Move order matters! } (33... Rg6! { was correct, anticipating Qb7-f7. } 34. Qd5 { does not solve White's problems: } (34. Qa8 Bh3 $19) (34. Kh1 Qc4 $19) 34... Qxd5 35. Rxd5 Be4 $19 36. Rxe5 Rxg2+ 37. Kf1 Bf3 38. Ke1 Rh2 { should win, even after } 39. Re7 Rxh4 40. Bd4 Rg4 $19) 34. Qd5? (34. Qf7! { was necessary and very resourceful. The bishop is safest on g6, disrupting Black's configuration. But the more ambitious } 34... Be4?? { loses: } (34... Bg6 35. Qd7) 35. Bf8 $18) 34... Qe2! { Now, ...Bf5-e4 is unstoppable, and White is lost. } 35. Qf3 Qxb2 36. Re1 Qd2 37. Qe2 Qd5 38. Rc1 Rg6! 39. f3 e4 40. h5 Rg5 41. Kf2 Rxg2+! 42. Kxg2 exf3+ 43. Qxf3 Be4 { 0-1 Black wins. } 0-1