Event: Round 2: Siam, Chowdhury - Zia, Tahsin Tajwar
Date: 2025-07-06
White: Siam, Chowdhury
WhiteElo: 2032
Black: Zia, Tahsin Tajwar
BlackTitle: FM
BlackElo: 2296
Result: 0-1
ECO: B06
Opening: Rat Defense: Accelerated Gurgenidze
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:42] } 1... g6 { [%eval 0.5] [%clk 1:28:20] } 2. Nc3 { [%eval 0.34] [%clk 1:28:49] } 2... c6 { [%eval 0.6] [%clk 1:27:49] } 3. d4 { [%eval 0.46] [%clk 1:26:16] } 3... d6 { [%eval 0.55] [%clk 1:28:04] } 4. g3 { [%eval 0.34] [%clk 1:24:12] } 4... Bg7 { [%eval 0.5] [%clk 1:27:28] } 5. Bg2 { [%eval 0.31] [%clk 1:24:10] } 5... Nf6 { [%eval 0.34] [%clk 1:27:18] } 6. h3 { [%eval 0.4] [%clk 1:21:48] } 6... Nbd7 { [%eval 0.45] [%clk 1:27:18] } 7. Nge2 { [%eval 0.43] [%clk 1:14:48] } 7... Qc7 { [%eval 0.65] [%clk 1:25:09] } 8. O-O { [%eval 0.44] [%clk 1:05:24] } 8... O-O { [%eval 0.68] [%clk 1:21:51] } 9. Be3?! { [%eval 0.12] } { Inaccuracy. a4 was best. } { [%clk 1:02:54] } 9... e5 { [%eval 0.53] [%clk 1:20:33] } 10. f4 { [%eval 0.05] [%clk 0:53:17] } 10... exd4 { [%eval 0.36] [%clk 1:11:38] } 11. Bxd4?! { [%eval -0.21] } { Inaccuracy. Nxd4 was best. } { [%clk 0:45:36] } 11... b6?! { [%eval 0.35] } { Inaccuracy. b5 was best. } { [%clk 1:09:33] } 12. g4 { [%eval 0.39] [%clk 0:43:05] } 12... Bb7 { [%eval 0.64] [%clk 1:06:56] } 13. Ng3 { [%eval 0.63] [%clk 0:38:21] } 13... b5 { [%eval 0.61] [%clk 0:51:49] } 14. g5 { [%eval 0.6] [%clk 0:30:19] } 14... Ne8 { [%eval 0.63] [%clk 0:51:44] } 15. Bxg7 { [%eval 0.44] [%clk 0:29:20] } 15... Nxg7 { [%eval 0.41] [%clk 0:52:03] } 16. Qd2 { [%eval 0.54] [%clk 0:22:47] } 16... Nb6 { [%eval 0.54] [%clk 0:47:37] } 17. Qf2 { [%eval 0.11] [%clk 0:17:57] } 17... Rae8 { [%eval 0.28] [%clk 0:45:30] } 18. a3 { [%eval -0.05] [%clk 0:12:35] } 18... a5 { [%eval 0.25] [%clk 0:38:10] } 19. b3 { [%eval 0.21] [%clk 0:11:52] } 19... Nc8?! { [%eval 0.93] } { Inaccuracy. f6 was best. } { [%clk 0:12:08] } 20. Rad1 { [%eval 0.44] [%clk 0:08:30] } 20... b4 { [%eval 0.42] [%clk 0:08:36] } 21. axb4 { [%eval 0.49] [%clk 0:08:49] } 21... axb4 { [%eval 0.5] [%clk 0:09:04] } 22. Na4 { [%eval 0.29] [%clk 0:08:14] } 22... c5 { [%eval 0.34] [%clk 0:08:57] } 23. c3 { [%eval 0.19] [%clk 0:04:32] } 23... Qa5 { [%eval 0.6] [%clk 0:03:16] } 24. Qd2 { [%eval 0.33] [%clk 0:02:47] } 24... Bc6 { [%eval 0.33] [%clk 0:00:47] } 25. cxb4 { [%eval 0.34] [%clk 0:02:58] } 25... cxb4 { [%eval 0.66] [%clk 0:01:06] } 26. Ra1 { [%eval 0.54] [%clk 0:01:32] } 26... Qb5 { [%eval 0.65] [%clk 0:00:43] } 27. Rfe1 { [%eval 0.51] [%clk 0:00:51] } 27... Ne6 { [%eval 0.62] [%clk 0:00:59] } 28. f5?! { [%eval -0.17] } { Inaccuracy. Kh2 was best. } { [%clk 0:00:41] } 28... Nc5 { [%eval 0.31] [%clk 0:00:54] } 29. Nxc5 { [%eval 0.44] [%clk 0:00:44] } 29... dxc5 { [%eval 0.42] [%clk 0:00:59] } 30. f6?! { [%eval -0.6] } { Inaccuracy. Rac1 was best. } { [%clk 0:00:43] } 30... Qb8 { [%eval -0.34] [%clk 0:01:01] } 31. Qf2 { [%eval -0.3] [%clk 0:00:55] } 31... Re5 { [%eval -0.42] [%clk 0:00:43] } 32. Qf4 { [%eval -0.36] [%clk 0:01:04] } 32... h5? { [%eval 1.1] } { Mistake. Nb6 was best. } { [%clk 0:00:50] } 33. Rac1? { [%eval -0.48] } { Mistake. Nxh5 was best. } { [%clk 0:00:44] } 33... Nb6 { [%eval -0.51] [%clk 0:01:11] } 34. Qh4 { [%eval -0.5] [%clk 0:00:54] } 34... Rd8 { [%eval -0.29] [%clk 0:00:43] } 35. Nxh5?? { [%eval -2.4] } { Blunder. Nf5 was best. } { [%clk 0:01:09] } 35... gxh5 { [%eval -2.28] [%clk 0:00:34] } 36. Qxh5 { [%eval -2.8] [%clk 0:01:37] } 36... Rd4 { [%eval -2.26] [%clk 0:00:43] } 37. Qg4 { [%eval -2.63] [%clk 0:00:35] } 37... Bd7?? { [%eval 0.0] } { Blunder. Nd7 was best. } { [%clk 0:00:51] } 38. Qg3?! { [%eval -0.79] } { Inaccuracy. Qh4 was best. } { [%clk 0:01:03] } 38... Re8?? { [%eval 4.03] } { Blunder. Be8 was best. } { [%clk 0:00:37] } 39. Qh4 { [%eval 4.05] [%clk 0:00:33] } 39... Qd6 { [%eval 3.92] [%clk 0:00:42] } 40. Qh5?? { [%eval -2.04] } { Blunder. g6 was best. } { [%clk 0:00:34] } 40... Re5 { [%eval -2.1] [%clk 0:01:02] } 41. h4? { [%eval -3.57] } { Mistake. Qh6 was best. } { [%clk 0:00:37] } 41... Qxf6 { [%eval -3.56] [%clk 0:01:08] } 42. Rf1 { [%eval -3.55] [%clk 0:00:37] } 42... Qg6? { [%eval -1.79] } { Mistake. Qg7 was best. } { [%clk 0:01:11] } 43. Qe2?? { [%eval -4.91] } { Blunder. Qxg6+ was best. } { [%clk 0:00:32] } 43... Rexe4 { [%eval -4.71] [%clk 0:00:33] } 44. Bxe4?! { [%eval -6.0] } { Inaccuracy. Qc2 was best. } { [%clk 0:00:38] } 44... Rxe4 { [%eval -5.72] [%clk 0:01:02] } 45. Qf3 { [%eval -6.49] [%clk 0:00:34] } 45... Rg4+ { [%eval -6.37] [%clk 0:01:08] } 46. Kf2 { [%eval -6.84] [%clk 0:00:34] } 46... Qd6 { [%eval -6.73] [%clk 0:01:15] } 47. Ke1 { [%eval -9.26] [%clk 0:00:32] } 47... Be6?! { [%eval -5.73] } { Inaccuracy. Qe5+ was best. } { [%clk 0:00:58] } 48. Rc2 { [%eval -5.74] [%clk 0:00:32] } 48... Rg3?! { [%eval -4.47] } { Inaccuracy. Nd5 was best. } { [%clk 0:00:58] } 49. Qf4 { [%eval -4.53] [%clk 0:00:32] } 49... Qxf4 { [%eval -4.54] [%clk 0:00:54] } 50. Rxf4 { [%eval -4.32] [%clk 0:01:01] } 50... Nd7 { [%eval -4.16] [%clk 0:01:11] } 51. Rd2 { [%eval -4.74] [%clk 0:00:31] } 51... Ne5 { [%eval -4.41] [%clk 0:01:29] } 52. Kf2 { [%eval -4.97] [%clk 0:00:50] } 52... Rxb3 { [%eval -4.73] [%clk 0:01:44] } 0-1