Event: Round 6: Hossain, Monir - Siam, Chowdhury
Date: 2025-07-19
White: Hossain, Monir
WhiteTitle: CM
WhiteElo: 1974
Black: Siam, Chowdhury
BlackElo: 2032
Result: 1-0
ECO: E18
Opening: Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:30] } 1... Nf6 { [%eval 0.19] [%clk 1:13:06] } 2. Nf3 { [%eval 0.11] [%clk 1:30:13] } 2... e6 { [%eval 0.14] [%clk 1:13:15] } 3. c4 { [%eval 0.11] [%clk 1:30:29] } 3... b6 { [%eval 0.23] [%clk 1:11:11] } 4. g3 { [%eval 0.19] [%clk 1:29:58] } 4... Bb7 { [%eval 0.26] [%clk 1:11:38] } 5. Bg2 { [%eval 0.2] [%clk 1:30:19] } 5... d5 { [%eval 0.37] [%clk 1:10:14] } 6. O-O { [%eval 0.17] [%clk 1:30:33] } 6... Be7 { [%eval 0.42] [%clk 1:10:28] } 7. Nc3 { [%eval 0.22] [%clk 1:28:34] } 7... O-O { [%eval 0.29] [%clk 1:10:04] } 8. cxd5 { [%eval 0.25] [%clk 1:28:48] } 8... exd5 { [%eval 0.39] [%clk 1:10:15] } 9. Bg5 { [%eval 0.27] [%clk 1:28:38] } 9... Nbd7 { [%eval 0.27] [%clk 1:08:00] } 10. Rc1 { [%eval 0.22] [%clk 1:28:23] } 10... a6 { [%eval 0.52] [%clk 1:00:17] } 11. Qb3 { [%eval 0.34] [%clk 1:25:34] } 11... h6 { [%eval 0.31] [%clk 0:51:40] } 12. Bf4 { [%eval 0.18] [%clk 1:24:11] } 12... c5 { [%eval 0.16] [%clk 0:51:11] } 13. Rfd1?! { [%eval -0.4] } { Inaccuracy. dxc5 was best. } { [%clk 1:24:21] } 13... c4 { [%eval -0.32] [%clk 0:50:40] } 14. Qc2 { [%eval -0.37] [%clk 1:24:28] } 14... b5 { [%eval -0.35] [%clk 0:50:16] } 15. Ne5 { [%eval -0.38] [%clk 1:22:42] } 15... Nb6 { [%eval -0.31] [%clk 0:49:14] } 16. a3 { [%eval -0.31] [%clk 1:22:03] } 16... Re8 { [%eval -0.34] [%clk 0:47:31] } 17. Re1 { [%eval -0.48] [%clk 1:21:32] } 17... Bd6 { [%eval -0.35] [%clk 0:46:22] } 18. Rcd1 { [%eval -0.51] [%clk 1:21:38] } 18... Nh5 { [%eval -0.1] [%clk 0:40:53] } 19. Be3 { [%eval -0.34] [%clk 1:18:22] } 19... Bc7 { [%eval -0.24] [%clk 0:27:07] } 20. Bf3 { [%eval -0.48] [%clk 1:17:42] } 20... Nf6 { [%eval -0.44] [%clk 0:26:52] } 21. Qc1 { [%eval -0.73] [%clk 1:16:43] } 21... Bd6 { [%eval -0.52] [%clk 0:25:31] } 22. Bf4 { [%eval -0.5] [%clk 1:15:56] } 22... Bf8 { [%eval -0.45] [%clk 0:22:56] } 23. Bg2 { [%eval -0.53] [%clk 1:13:28] } 23... Qc8 { [%eval -0.54] [%clk 0:17:26] } 24. f3 { [%eval -0.52] [%clk 1:13:26] } 24... Bc6 { [%eval -0.41] [%clk 0:15:55] } 25. e4 { [%eval -0.42] [%clk 1:13:00] } 25... a5 { [%eval -0.38] [%clk 0:15:56] } 26. Nxc6 { [%eval -0.41] [%clk 1:13:07] } 26... Qxc6 { [%eval -0.36] [%clk 0:16:25] } 27. e5 { [%eval -0.27] [%clk 1:11:57] } 27... Nfd7 { [%eval -0.31] [%clk 0:16:32] } 28. Bd2 { [%eval -0.2] [%clk 1:09:40] } 28... b4 { [%eval -0.44] [%clk 0:16:49] } 29. Nb1? { [%eval -1.62] } { Mistake. axb4 was best. } { [%clk 1:09:13] } 29... Na4?! { [%eval -0.61] } { Inaccuracy. c3 was best. } { [%clk 0:15:53] } 30. f4 { [%eval -0.6] [%clk 1:08:12] } 30... Rac8 { [%eval -0.3] [%clk 0:14:59] } 31. axb4 { [%eval -0.45] [%clk 1:07:54] } 31... axb4 { [%eval -0.49] [%clk 0:15:26] } 32. Re3 { [%eval -0.43] [%clk 1:05:34] } 32... Ndb6 { [%eval -0.4] [%clk 0:09:56] } 33. Bh3 { [%eval -0.36] [%clk 1:03:42] } 33... Rc7 { [%eval -0.57] [%clk 0:09:52] } 34. Be1?! { [%eval -1.27] } { Inaccuracy. Rf3 was best. } { [%clk 1:02:59] } 34... c3 { [%eval -1.33] [%clk 0:06:56] } 35. bxc3 { [%eval -1.01] [%clk 1:03:05] } 35... Nc4 { [%eval -1.1] [%clk 0:07:17] } 36. Re2 { [%eval -1.09] [%clk 0:59:57] } 36... b3 { [%eval -1.2] [%clk 0:07:20] } 37. Bf5 { [%eval -1.75] [%clk 0:59:50] } 37... b2?? { [%eval 0.0] } { Blunder. Rb7 was best. } { [%clk 0:02:52] } 38. Qc2 { [%eval -0.03] [%clk 0:59:54] } 38... Na3? { [%eval 1.17] } { Mistake. Rb8 was best. } { [%clk 0:02:58] } 39. Nxa3 { [%eval 1.18] [%clk 0:58:34] } 39... Bxa3 { [%eval 1.12] [%clk 0:03:26] } 40. Qb3 { [%eval 1.06] [%clk 0:58:50] } 40... Qc4?! { [%eval 2.11] } { Inaccuracy. Nxc3 was best. } { [%clk 0:02:20] } 41. Qxc4?? { [%eval 0.0] } { Blunder. Qxa3 was best. } { [%clk 0:58:15] } 41... Rxc4 { [%eval 0.02] [%clk 0:02:19] } 42. Re3 { [%eval 0.0] [%clk 0:58:26] } 42... Rb8 { [%eval 0.0] [%clk 0:02:11] } 43. Bb1? { [%eval -1.31] } { Mistake. Rb1 was best. } { [%clk 0:58:39] } 43... Rbc8 { [%eval -1.16] [%clk 0:01:38] } 44. Rdd3?? { [%eval -3.55] } { Blunder. Kg2 was best. } { [%clk 0:58:20] } 44... Nb6?? { [%eval -0.56] } { Blunder. Bb4 was best. } { [%clk 0:01:56] } 45. Kf1? { [%eval -2.12] } { Mistake. Re2 was best. } { [%clk 0:58:21] } 45... R4c6?? { [%eval 0.06] } { Blunder. Ra4 was best. } { [%clk 0:02:05] } 46. Ke2? { [%eval -1.61] } { Mistake. Rd1 was best. } { [%clk 0:58:15] } 46... Nc4 { [%eval -1.41] [%clk 0:02:33] } 47. Rf3 { [%eval -1.47] [%clk 0:58:23] } 47... Ra8 { [%eval -1.35] [%clk 0:02:45] } 48. Rd1 { [%eval -1.28] [%clk 0:58:20] } 48... Be7 { [%eval -1.35] [%clk 0:02:48] } 49. Bd2 { [%eval -1.5] [%clk 0:58:17] } 49... Ra1 { [%eval -1.32] [%clk 0:02:48] } 50. Rff1 { [%eval -1.09] [%clk 0:58:33] } 50... Rca6 { [%eval -1.27] [%clk 0:01:44] } 51. Kd3 { [%eval -1.67] [%clk 0:58:03] } 51... Kf8 { [%eval -1.48] [%clk 0:01:50] } 52. f5 { [%eval -1.67] [%clk 0:55:36] } 52... Ke8 { [%eval -1.12] [%clk 0:02:16] } 53. h4 { [%eval -1.29] [%clk 0:55:45] } 53... Kd7 { [%eval -1.23] [%clk 0:02:10] } 54. h5 { [%eval -1.45] [%clk 0:55:52] } 54... f6 { [%eval -1.4] [%clk 0:02:09] } 55. Bf4 { [%eval -1.77] [%clk 0:54:58] } 55... R6a3 { [%eval -1.51] [%clk 0:01:42] } 56. exf6 { [%eval -1.5] [%clk 0:54:51] } 56... Bxf6 { [%eval -1.51] [%clk 0:02:06] } 57. g4 { [%eval -1.49] [%clk 0:55:06] } 57... Be7? { [%eval 0.0] } { Mistake. Rb3 was best. } { [%clk 0:02:24] } 58. Bd2? { [%eval -1.59] } { Mistake. f6 was best. } { [%clk 0:55:03] } 58... Ra6?! { [%eval -0.78] } { Inaccuracy. Rb3 was best. } { [%clk 0:01:32] } 59. Rde1?! { [%eval -1.73] } { Inaccuracy. Rg1 was best. } { [%clk 0:54:47] } 59... R1a3?! { [%eval -0.63] } { Inaccuracy. Bh4 was best. } { [%clk 0:01:45] } 60. Ke2?? { [%eval -2.45] } { Blunder. g5 was best. } { [%clk 0:54:13] } 60... Ra1 { [%eval -1.89] [%clk 0:01:51] } 61. Bf4 { [%eval -2.06] [%clk 0:49:00] } 61... R6a3 { [%eval -1.64] [%clk 0:01:53] } 62. Bd2?! { [%eval -2.66] } { Inaccuracy. Rh1 was best. } { [%clk 0:43:08] } 62... Bh4 { [%eval -2.27] [%clk 0:01:45] } 63. Rd1 { [%eval -2.91] [%clk 0:41:25] } 63... Bd8? { [%eval -1.24] } { Mistake. Ra8 was best. } { [%clk 0:02:10] } 64. Be1?? { [%eval -4.27] } { Blunder. Rg1 was best. } { [%clk 0:40:40] } 64... Rb3? { [%eval -2.46] } { Mistake. Bg5 was best. } { [%clk 0:01:43] } 65. Bd2 { [%eval -1.72] [%clk 0:40:40] } 65... Rba3 { [%eval -1.44] [%clk 0:01:46] } 66. Kd3 { [%eval -1.4] [%clk 0:36:32] } 66... Ra6?! { [%eval -0.8] } { Inaccuracy. Bf6 was best. } { [%clk 0:01:45] } 67. Bf4?! { [%eval -1.71] } { Inaccuracy. Rg1 was best. } { [%clk 0:35:08] } 67... R1a3 { [%eval -1.78] [%clk 0:01:24] } 68. Be5?! { [%eval -2.82] } { Inaccuracy. Rg1 was best. } { [%clk 0:31:21] } 68... Ba5 { [%eval -2.5] [%clk 0:01:19] } 69. Bxg7? { [%eval -4.18] } { Mistake. Ke2 was best. } { [%clk 0:31:42] } 69... Rxc3+ { [%eval -3.95] [%clk 0:01:31] } 70. Ke2 { [%eval -3.49] [%clk 0:31:57] } 70... Ne3 { [%eval -3.26] [%clk 0:00:38] } 71. f6?! { [%eval -4.3] } { Inaccuracy. g5 was best. } { [%clk 0:32:11] } 71... Nxf1 { [%eval -3.81] [%clk 0:00:58] } 72. Bf5+?! { [%eval -5.68] } { Inaccuracy. Rxf1 was best. } { [%clk 0:32:00] } 72... Kc7?? { [%eval -0.65] } { Blunder. Re6+ was best. } { [%clk 0:01:03] } 73. f7?? { [%eval -5.08] } { Blunder. Rxf1 was best. } { [%clk 0:32:06] } 73... Bb4 { [%eval -4.9] [%clk 0:01:24] } 74. Rxf1 { [%eval -4.52] [%clk 0:32:17] } 74... Ra8?? { [%eval 0.4] } { Blunder. Rc1 was best. } { [%clk 0:00:45] } 75. Bxh6 { [%eval 0.75] [%clk 0:32:33] } 75... Ba3?? { [%eval 4.44] } { Blunder. Rh3 was best. } { [%clk 0:00:35] } 76. Rb1?! { [%eval 3.01] } { Inaccuracy. g5 was best. } { [%clk 0:32:25] } 76... Rc6?! { [%eval 4.53] } { Inaccuracy. Rh3 was best. } { [%clk 0:00:32] } 77. Bg7 { [%eval 4.79] [%clk 0:32:38] } 77... Rc1 { [%eval 5.78] [%clk 0:00:57] } 78. h6 { [%eval 5.64] [%clk 0:32:39] } 78... Rxb1 { [%eval 5.86] [%clk 0:00:35] } 79. Bxb1 { [%eval 6.17] [%clk 0:32:54] } 79... Bf8 { [%eval 6.69] [%clk 0:00:47] } 80. g5 { [%eval 6.15] [%clk 0:32:02] } 80... Kd6?? { [%eval #16] } { Checkmate is now unavoidable. Ra1 was best. } { [%clk 0:00:32] } 81. Bxf8+ { [%eval #15] [%clk 0:31:57] } 81... Rxf8 { [%eval #15] [%clk 0:00:58] } 82. g6 { [%eval #14] [%clk 0:32:15] } 1-0