Event: 22nd Bangkok Chess Club Open 2025
Site: Royal Orchid Sheraton Riverside Hotel Bangkok, Thailand
White: Arca, Christian Gian Karlo
WhiteTitle: FM
WhiteElo: 2250
Black: Gustafsson, Jan
BlackTitle: GM
BlackElo: 2601
Result: 1-0
ECO: A07
Opening: King's Indian Attack
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min / rest + 30 sec from move 1

1. Nf3 { [%eval 0.14] [%clk 1:30:55] } 1... d5 { [%eval 0.18] [%clk 1:30:47] } 2. g3 { [%eval 0.15] [%clk 1:31:15] } 2... b6 { [%eval 0.21] [%clk 1:31:07] } 3. Bg2 { [%eval 0.23] [%clk 1:31:07] } 3... Bb7 { [%eval 0.24] [%clk 1:31:26] } 4. d4 { [%eval 0.16] [%clk 1:30:17] } 4... e6 { [%eval 0.19] [%clk 1:31:15] } 5. O-O { [%eval 0.13] [%clk 1:29:46] } 5... Nd7 { [%eval 0.1] [%clk 1:31:20] } 6. c4 { [%eval 0.0] [%clk 1:27:54] } 6... dxc4 { [%eval 0.0] [%clk 1:30:36] } 7. Na3?! { [%eval -0.81] } { Inaccuracy. Qa4 was best. } { [%clk 1:19:08] } 7... Bxa3 { [%eval -0.78] [%clk 1:27:43] } 8. bxa3 { [%eval -0.8] [%clk 1:19:32] } 8... b5 { [%eval -0.36] [%clk 0:59:02] } 9. a4 { [%eval -0.39] [%clk 0:58:03] } 9... b4?! { [%eval 0.19] } { Inaccuracy. a6 was best. } { [%clk 0:56:52] } 10. a5 { [%eval 0.21] [%clk 0:55:04] } 10... Rb8 { [%eval 0.21] [%clk 0:21:31] } 11. Qc2 { [%eval 0.21] [%clk 0:46:04] } 11... Bd5?! { [%eval 1.28] } { Inaccuracy. Ba6 was best. } { [%clk 0:19:01] } 12. e4 { [%eval 1.19] [%clk 0:37:18] } 12... Ba8 { [%eval 1.19] [%clk 0:18:52] } 13. Re1?! { [%eval 0.59] } { Inaccuracy. Qxc4 was best. } { [%clk 0:29:18] } 13... Ngf6 { [%eval 0.72] [%clk 0:17:38] } 14. d5 { [%eval 0.67] [%clk 0:28:58] } 14... exd5?? { [%eval 3.52] } { Blunder. c3 was best. } { [%clk 0:15:13] } 15. exd5+ { [%eval 3.27] [%clk 0:28:41] } 15... Kf8 { [%eval 3.19] [%clk 0:15:37] } 16. Nd4 { [%eval 3.18] [%clk 0:25:48] } 16... Nxd5 { [%eval 2.95] [%clk 0:11:11] } 17. Qxc4 { [%eval 3.58] [%clk 0:22:41] } 17... N7f6 { [%eval 3.52] [%clk 0:11:35] } 18. Bg5 { [%eval 3.64] [%clk 0:16:11] } 18... c6 { [%eval 4.46] [%clk 0:07:24] } 19. Bxf6 { [%eval 3.77] [%clk 0:10:16] } 19... Qxf6 { [%eval 4.41] [%clk 0:10:59] } 20. Bxd5 { [%eval 4.27] [%clk 0:09:54] } 20... cxd5 { [%eval 4.31] [%clk 0:11:16] } 21. Qc7 { [%eval 4.26] [%clk 0:08:59] } 21... Rd8 { [%eval 4.35] [%clk 0:10:56] } 22. Re3 { [%eval 4.19] [%clk 0:09:14] } 22... g6?! { [%eval 5.65] } { Inaccuracy. h6 was best. } { [%clk 0:08:53] } 23. Rae1 { [%eval 5.54] [%clk 0:06:45] } 23... Qxd4?! { [%eval 8.6] } { Inaccuracy. Qd6 was best. } { [%clk 0:08:48] } 24. Re7?? { [%eval 3.64] } { Blunder. Rf3 was best. } { [%clk 0:04:15] } 24... Qf6 { [%eval 3.93] [%clk 0:06:45] } 25. Qxd8+ { [%eval 4.03] [%clk 0:03:53] } 25... Kg7 { [%eval 3.92] [%clk 0:07:08] } 26. Qc7 { [%eval 3.64] [%clk 0:02:59] } 26... Rf8 { [%eval 3.7] [%clk 0:07:19] } 27. Rd7?! { [%eval 2.62] } { Inaccuracy. Qe5 was best. } { [%clk 0:02:07] } 27... d4 { [%eval 2.65] [%clk 0:06:11] } 28. f4 { [%eval 2.17] [%clk 0:01:18] } 28... Kh6? { [%eval 4.01] } { Mistake. Bc6 was best. } { [%clk 0:02:18] } 29. Qd6 { [%eval 3.36] [%clk 0:00:53] } 29... Qxd6 { [%eval 3.33] [%clk 0:02:29] } 30. Rxd6 { [%eval 3.37] [%clk 0:01:23] } 30... Rc8 { [%eval 3.19] [%clk 0:02:51] } 31. Kf2 { [%eval 2.69] [%clk 0:01:28] } 31... Rc5 { [%eval 2.55] [%clk 0:02:37] } 32. Re5 { [%eval 2.76] [%clk 0:01:29] } 32... Rc1?! { [%eval 3.93] } { Inaccuracy. Rc4 was best. } { [%clk 0:01:17] } 33. Rxd4 { [%eval 3.58] [%clk 0:01:25] } 33... Rh1 { [%eval 4.4] [%clk 0:01:34] } 34. Rxb4? { [%eval 2.61] } { Mistake. Rd7 was best. } { [%clk 0:00:33] } 34... Rxh2+ { [%eval 2.73] [%clk 0:01:52] } 35. Ke3 { [%eval 2.63] [%clk 0:01:02] } 35... Rg2 { [%eval 3.26] [%clk 0:00:48] } 36. Re7 { [%eval 3.38] [%clk 0:01:17] } 36... Rxg3+ { [%eval 3.34] [%clk 0:01:07] } 37. Kd4 { [%eval 3.17] [%clk 0:01:24] } 37... f5? { [%eval 5.07] } { Mistake. Kg7 was best. } { [%clk 0:00:32] } 38. Rb8 { [%eval 4.07] [%clk 0:01:36] } 38... Be4 { [%eval 4.84] [%clk 0:00:39] } 39. Rb3 { [%eval 4.62] [%clk 0:01:40] } 1-0