Event: 22nd Bangkok Chess Club Open 2025
Site: Royal Orchid Sheraton Riverside Hotel Bangkok, Thailand
White: Dang Hoang Son
WhiteTitle: FM
WhiteElo: 2413
Black: Lama, Surbir
BlackElo: 2004
Result: 1-0
ECO: E62
Opening: King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System
Variant: Standard
TimeControl: 90 min / 40 moves + 30 min / rest + 30 sec from move 1

1. d4 { [%eval 0.17] [%clk 1:27:40] } 1... Nf6 { [%eval 0.19] } 2. c4 { [%eval 0.18] [%clk 1:27:55] } 2... g6 { [%eval 0.19] [%clk 1:31:15] } 3. Nf3 { [%eval 0.15] [%clk 1:27:40] } 3... Bg7 { [%eval 0.16] [%clk 1:31:38] } 4. g3 { [%eval 0.15] [%clk 1:27:50] } 4... O-O { [%eval 0.21] [%clk 1:32:00] } 5. Bg2 { [%eval 0.1] [%clk 1:28:17] } 5... d6 { [%eval 0.39] [%clk 1:32:20] } 6. O-O { [%eval 0.25] [%clk 1:28:38] } 6... Nc6 { [%eval 0.36] [%clk 1:32:41] } 7. Nc3 { [%eval 0.32] [%clk 1:28:38] } 7... e5 { [%eval 0.39] [%clk 1:28:14] } 8. dxe5 { [%eval 0.21] [%clk 1:27:46] } 8... dxe5 { [%eval 0.21] [%clk 1:28:35] } 9. Bg5 { [%eval 0.21] [%clk 1:27:56] } 9... Be6 { [%eval 0.38] [%clk 1:24:54] } 10. Qa4 { [%eval 0.37] [%clk 1:25:40] } 10... h6 { [%eval 0.31] [%clk 1:19:39] } 11. Rfd1 { [%eval 0.34] [%clk 1:25:36] } 11... Qc8 { [%eval 0.48] [%clk 1:19:24] } 12. Bxf6 { [%eval 0.55] [%clk 1:19:26] } 12... Bxf6 { [%eval 0.5] [%clk 1:19:42] } 13. Nd5?! { [%eval -0.05] } { Inaccuracy. Ne1 was best. } { [%clk 1:16:07] } 13... Bxd5?! { [%eval 0.52] } { Inaccuracy. Bg7 was best. } { [%clk 1:09:32] } 14. cxd5 { [%eval 0.56] [%clk 1:16:18] } 14... Nd4 { [%eval 0.51] [%clk 1:09:35] } 15. Nxd4 { [%eval 0.61] [%clk 1:10:06] } 15... exd4 { [%eval 0.77] [%clk 1:08:14] } 16. Rac1 { [%eval 0.71] [%clk 1:07:42] } 16... Qd8 { [%eval 0.7] [%clk 0:54:05] } 17. Qb5 { [%eval 0.73] [%clk 1:03:03] } 17... c6?! { [%eval 1.61] } { Inaccuracy. Rb8 was best. } { [%clk 0:43:07] } 18. dxc6 { [%eval 1.79] [%clk 0:59:42] } 18... bxc6 { [%eval 1.72] [%clk 0:43:33] } 19. Rxc6 { [%eval 1.78] [%clk 0:59:27] } 19... Rb8 { [%eval 1.8] [%clk 0:41:39] } 20. Qa6 { [%eval 1.72] [%clk 0:58:58] } 20... Rb6?! { [%eval 2.42] } { Inaccuracy. Kg7 was best. } { [%clk 0:31:13] } 21. Qxa7 { [%eval 2.35] [%clk 0:54:47] } 21... Rxb2 { [%eval 2.28] [%clk 0:31:14] } 22. Bf3 { [%eval 2.14] [%clk 0:54:45] } 22... Bg7 { [%eval 2.58] [%clk 0:28:52] } 23. a4 { [%eval 2.08] [%clk 0:44:08] } 23... Ra2?! { [%eval 3.28] } { Inaccuracy. Qa8 was best. } { [%clk 0:18:16] } 24. Qa6 { [%eval 3.07] [%clk 0:42:22] } 24... Qg5?! { [%eval 4.19] } { Inaccuracy. Ra3 was best. } { [%clk 0:16:47] } 25. Rxg6 { [%eval 4.24] [%clk 0:41:08] } 25... fxg6 { [%eval 4.81] [%clk 0:10:01] } 26. Qc4+ { [%eval 4.89] [%clk 0:39:26] } 26... Kh7 { [%eval 4.84] [%clk 0:10:24] } 27. Qxa2 { [%eval 4.8] [%clk 0:39:51] } 27... h5 { [%eval 4.86] [%clk 0:07:26] } 28. h4 { [%eval 4.89] [%clk 0:39:08] } 28... Qc5 { [%eval 5.0] [%clk 0:06:58] } 29. Kg2 { [%eval 5.08] [%clk 0:38:44] } 29... Rf5 { [%eval 5.31] [%clk 0:06:57] } 30. Rd3 { [%eval 4.91] [%clk 0:37:32] } 30... Qa5 { [%eval 5.55] [%clk 0:04:44] } 31. Rb3 { [%eval 5.41] [%clk 0:36:55] } 31... Qe1 { [%eval 5.7] [%clk 0:03:43] } 32. Rb8 { [%eval 5.3] [%clk 0:36:48] } 32... d3 { [%eval 5.31] [%clk 0:02:39] } 33. exd3 { [%eval 6.02] [%clk 0:35:55] } 33... Rc5 { [%eval 6.57] [%clk 0:00:49] } 34. Qg8+ { [%eval 6.54] [%clk 0:35:20] } 34... Kh6 { [%eval 6.3] [%clk 0:01:15] } 35. Rb7 { [%eval 6.01] [%clk 0:33:46] } 35... Qa1 { [%eval 5.66] [%clk 0:01:36] } 36. Rb5 { [%eval 5.66] [%clk 0:32:16] } 36... Rc1?! { [%eval 7.79] } { Inaccuracy. Rxb5 was best. } { [%clk 0:01:21] } 37. Qe6 { [%eval 7.69] [%clk 0:32:32] } 37... Rg1+ { [%eval 7.67] [%clk 0:00:37] } 38. Kh2 { [%eval 7.55] [%clk 0:32:56] } 38... Kh7? { [%eval #17] } { Checkmate is now unavoidable. Be5 was best. } { [%clk 0:00:32] } 39. Rxh5+ { [%eval #16] [%clk 0:33:16] } 39... gxh5 { [%eval #3] [%clk 0:00:35] } 40. Be4+ { [%eval #2] [%clk 0:33:38] } 1-0