Event: Round 2: Temirbayev, Serikbay - Duong, Thanh Nha
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-2/1n88gARz/YJ26EUzf
Date: 2025-10-22
White: Temirbayev, Serikbay
WhiteTitle: GM
WhiteElo: 2382
Black: Duong, Thanh Nha
BlackTitle: IM
BlackElo: 2161
Result: 1/2-1/2
ECO: E15
Opening: Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:48] } 2. c4 { [%eval 0.18] [%clk 1:30:50] } 2... e6 { [%eval 0.14] [%clk 1:31:05] } 3. Nf3 { [%eval 0.11] [%clk 1:30:16] } 3... b6 { [%eval 0.23] [%clk 1:31:00] } 4. g3 { [%eval 0.19] [%clk 1:27:29] } 4... Ba6 { [%eval 0.17] [%clk 1:30:13] } 5. b3 { [%eval 0.15] [%clk 1:25:40] } 5... Bb4+ { [%eval 0.2] [%clk 1:30:14] } 6. Bd2 { [%eval 0.17] [%clk 1:26:06] } 6... Be7 { [%eval 0.17] [%clk 1:30:09] } 7. Bg2 { [%eval 0.15] [%clk 1:26:19] } 7... d5 { [%eval 0.17] [%clk 1:25:55] } 8. cxd5 { [%eval 0.16] [%clk 1:21:35] } 8... exd5 { [%eval 0.08] [%clk 1:25:26] } 9. O-O { [%eval 0.1] [%clk 1:21:46] } 9... O-O { [%eval 0.1] [%clk 1:24:23] } 10. Nc3 { [%eval 0.13] [%clk 1:21:03] } 10... Nbd7 { [%eval 0.19] [%clk 1:20:06] } 11. Nh4 { [%eval 0.02] [%clk 1:15:42] } 11... c6 { [%eval 0.3] [%clk 1:12:12] } 12. Nf5 { [%eval 0.31] [%clk 1:14:19] } 12... Ba3 { [%eval 0.68] [%clk 1:10:36] } 13. Qc2 { [%eval 0.75] [%clk 1:02:55] } 13... Re8 { [%eval 0.53] [%clk 1:09:03] } 14. Rfe1 { [%eval 0.63] [%clk 0:55:59] } 14... Bb7 { [%eval 1.14] [%clk 1:06:14] } 15. e4 { [%eval 1.14] [%clk 0:45:27] } 15... dxe4 { [%eval 1.01] [%clk 1:04:16] } 16. Nxe4 { [%eval 0.98] [%clk 0:45:51] } 16... Nxe4 { [%eval 1.19] [%clk 1:01:20] } 17. Bxe4?! { [%eval 0.29] } { Inaccuracy. Rxe4 was best. } { [%clk 0:46:07] } 17... Nf6 { [%eval 0.45] [%clk 0:53:49] } 18. Bf3 { [%eval 0.36] [%clk 0:41:55] } 18... Nd5? { [%eval 1.93] } { Mistake. Bf8 was best. } { [%clk 0:43:28] } 19. Rxe8+ { [%eval 1.84] [%clk 0:31:11] } 19... Qxe8 { [%eval 1.97] [%clk 0:43:42] } 20. Bxd5? { [%eval 0.51] } { Mistake. b4 was best. } { [%clk 0:31:20] } 20... cxd5 { [%eval 0.57] [%clk 0:44:02] } 21. b4 { [%eval 0.36] [%clk 0:31:48] } 21... Qe4 { [%eval 0.5] [%clk 0:34:28] } 22. Qxe4 { [%eval 0.56] [%clk 0:32:06] } 22... dxe4 { [%eval 0.42] [%clk 0:34:52] } 23. Rb1 { [%eval 0.58] [%clk 0:26:10] } 23... Bc8 { [%eval 0.47] [%clk 0:24:12] } 24. Ne3 { [%eval 0.29] [%clk 0:20:02] } 24... a5 { [%eval 0.32] [%clk 0:23:43] } 25. Nc4 { [%eval 0.11] [%clk 0:15:54] } 25... axb4 { [%eval 0.15] [%clk 0:21:58] } 26. Nxb6 { [%eval 0.22] [%clk 0:16:11] } 26... Rb8 { [%eval 0.28] [%clk 0:21:53] } 27. Nc4 { [%eval 0.35] [%clk 0:16:34] } 27... Ra8?? { [%eval 2.77] } { Blunder. Rb7 was best. } { [%clk 0:16:23] } 28. Bxb4 { [%eval 2.72] [%clk 0:15:01] } 28... Bxb4 { [%eval 2.86] [%clk 0:16:20] } 29. Rxb4 { [%eval 2.83] [%clk 0:15:27] } 29... Be6 { [%eval 3.42] [%clk 0:14:01] } 30. d5 { [%eval 3.58] [%clk 0:15:21] } 30... Bh3 { [%eval 3.41] [%clk 0:13:24] } 31. a4 { [%eval 3.22] [%clk 0:15:19] } 31... g5 { [%eval 2.91] [%clk 0:11:23] } 32. f3 { [%eval 3.01] [%clk 0:11:57] } 32... exf3 { [%eval 2.79] [%clk 0:10:18] } 33. Kf2 { [%eval 2.75] [%clk 0:12:26] } 33... Rd8?! { [%eval 3.93] } { Inaccuracy. Re8 was best. } { [%clk 0:09:01] } 34. Nb6 { [%eval 3.69] [%clk 0:11:20] } 34... Bf5 { [%eval 4.38] [%clk 0:03:48] } 35. Kxf3 { [%eval 4.02] [%clk 0:11:10] } 35... Bd3 { [%eval 4.54] [%clk 0:02:59] } 36. Rd4 { [%eval 4.53] [%clk 0:09:51] } 36... Ba6 { [%eval 4.49] [%clk 0:02:55] } 37. d6 { [%eval 4.41] [%clk 0:10:19] } 37... f5 { [%eval 4.57] [%clk 0:02:30] } 38. d7 { [%eval 4.44] [%clk 0:09:34] } 38... Kf7 { [%eval 4.73] [%clk 0:02:20] } 39. Rd6 { [%eval 4.5] [%clk 0:09:44] } 39... Bb7+ { [%eval 4.66] [%clk 0:02:06] } 40. Ke3 { [%eval 4.18] [%clk 0:09:30] } 40... h5 { [%eval 4.75] [%clk 0:01:35] } 41. a5 { [%eval 4.58] [%clk 0:07:24] } 41... h4 { [%eval 4.45] [%clk 0:28:32] } 42. gxh4 { [%eval 4.49] [%clk 0:37:28] } 42... f4+ { [%eval 4.36] [%clk 0:28:15] } 43. Kf2 { [%eval 3.82] [%clk 0:37:40] } 43... gxh4?! { [%eval 5.04] } { Inaccuracy. Ke7 was best. } { [%clk 0:25:30] } 44. Rh6 { [%eval 5.02] [%clk 0:37:07] } 44... Ke7 { [%eval 5.03] [%clk 0:22:47] } 45. Rxh4 { [%eval 4.79] [%clk 0:37:20] } 45... Rf8 { [%eval 5.11] [%clk 0:22:42] } 46. Rh7+ { [%eval 5.15] [%clk 0:22:50] } 46... Kd8 { [%eval 5.22] [%clk 0:22:41] } 47. Nc4 { [%eval 4.61] [%clk 0:22:43] } 47... Be4 { [%eval 4.42] [%clk 0:12:47] } 48. Rg7 { [%eval 4.33] [%clk 0:22:39] } 48... Rh8 { [%eval 4.76] [%clk 0:13:04] } 49. Kg1 { [%eval 4.54] [%clk 0:22:02] } 49... Bd5 { [%eval 4.63] [%clk 0:11:43] } 50. Nb6 { [%eval 4.39] [%clk 0:20:30] } 50... Bb7 { [%eval 5.01] [%clk 0:11:43] } 51. h4 { [%eval 5.05] [%clk 0:18:37] } 51... Bc6 { [%eval 5.26] [%clk 0:07:20] } 52. h5 { [%eval 4.91] [%clk 0:17:51] } 52... Kc7 { [%eval 4.9] [%clk 0:07:33] } 53. Rg5 { [%eval 4.91] [%clk 0:18:09] } 53... Bxd7 { [%eval 4.34] [%clk 0:02:02] } 54. Rg7?? { [%eval 0.0] } { Blunder. Nxd7 was best. } { [%clk 0:16:20] } 54... Rxh5 { [%eval 0.0] [%clk 0:02:26] } 55. Rxd7+ { [%eval 0.0] [%clk 0:16:44] } 55... Kc6 { [%eval 0.0] [%clk 0:02:46] } 56. Ra7 { [%eval 0.0] [%clk 0:16:59] } 56... Kb5 { [%eval 0.0] [%clk 0:01:03] } 57. Nd7 { [%eval 0.0] [%clk 0:16:54] } 57... Rh3?? { [%eval 2.4] } { Blunder. Ka4 was best. } { [%clk 0:00:46] } 58. a6 { [%eval 2.4] [%clk 0:16:28] } 58... Rh6? { [%eval 4.37] } { Mistake. Ra3 was best. } { [%clk 0:00:32] } 59. Rb7+?? { [%eval 0.18] } { Blunder. Nb8 was best. } { [%clk 0:14:15] } 59... Kxa6 { [%eval 0.09] [%clk 0:00:46] } 60. Rb2 { [%eval 0.11] [%clk 0:14:20] } 60... Ka5 { [%eval 0.21] [%clk 0:00:48] } 61. Kg2 { [%eval 0.01] [%clk 0:14:37] } 61... Rd6 { [%eval 0.0] [%clk 0:00:52] } 62. Ne5 { [%eval 0.0] [%clk 0:14:55] } 62... Ka4 { [%eval 0.0] [%clk 0:00:49] } 63. Kf3 { [%eval 0.0] [%clk 0:15:07] } 63... Rf6 { [%eval 0.0] [%clk 0:01:02] } 64. Nd3 { [%eval 0.0] [%clk 0:15:25] } 64... Ka5 { [%eval 0.0] [%clk 0:01:16] } 65. Nxf4 { [%eval 0.0] [%clk 0:15:44] } 65... Rb6 { [%eval 0.01] [%clk 0:01:36] } 66. Ra2+ { [%eval 0.0] [%clk 0:15:53] } 66... Kb5 { [%eval 0.0] [%clk 0:02:01] } 67. Ke4 { [%eval 0.0] [%clk 0:16:18] } 67... Kc5 { [%eval 0.0] [%clk 0:02:13] } 68. Nd3+ { [%eval 0.0] [%clk 0:16:28] } 68... Kd6 { [%eval 0.0] [%clk 0:02:20] } 69. Rh2 { [%eval 0.0] [%clk 0:16:54] } 69... Rb1 { [%eval 0.0] [%clk 0:02:22] } 70. Rh6+ { [%eval 0.02] [%clk 0:17:16] } 70... Ke7 { [%eval 0.02] [%clk 0:02:42] } 71. Nf4 { [%eval 0.13] [%clk 0:17:11] } 71... Re1+ { [%eval 0.18] [%clk 0:03:00] } 72. Kf5 { [%eval 0.23] [%clk 0:17:36] } 72... Rf1 { [%eval 0.09] [%clk 0:03:11] } 73. Re6+ { [%eval 0.15] [%clk 0:17:51] } 73... Kd7 { [%eval 0.08] [%clk 0:03:31] } 74. Re4 { [%eval 0.0] [%clk 0:18:13] } 74... Kd6 { [%eval 0.0] [%clk 0:03:47] } 75. Rd4+ { [%eval 0.0] [%clk 0:18:37] } 75... Kc5 { [%eval 0.13] [%clk 0:04:08] } 76. Rd8 { [%eval 0.23] [%clk 0:18:54] } 76... Kc6 { [%eval 0.18] [%clk 0:04:10] } 77. Ke5 { [%eval 0.23] [%clk 0:18:54] } 77... Re1+ { [%eval 0.12] [%clk 0:04:27] } 78. Kd4 { [%eval 0.0] [%clk 0:19:19] } 78... Rd1+ { [%eval 0.17] [%clk 0:04:48] } 79. Nd3 { [%eval 0.0] [%clk 0:19:41] } 79... Kc7 { [%eval 0.0] [%clk 0:04:55] } 80. Rh8 { [%eval 0.0] [%clk 0:20:03] } 80... Kd6 { [%eval 0.0] [%clk 0:05:09] } 81. Rh6+ { [%eval 0.0] [%clk 0:20:31] } 81... Ke7 { [%eval 0.1] [%clk 0:05:29] } 82. Ke4 { [%eval 0.13] [%clk 0:20:50] } 82... Rf1 { [%eval 0.08] [%clk 0:05:28] } 83. Ke5 { [%eval 0.05] [%clk 0:21:05] } 83... Kf7 { [%eval 0.0] [%clk 0:05:32] } 84. Nf4 { [%eval 0.0] [%clk 0:21:27] } 84... Re1+ { [%eval 0.0] [%clk 0:05:38] } 85. Kf5 { [%eval 0.0] [%clk 0:21:55] } 85... Ke7 { [%eval 0.0] [%clk 0:05:52] } 1/2-1/2