Event: Round 5: Sambuev, Bator - Chiku-Ratte, Olivier-Kenta
Site: https://lichess.org/broadcast/montreal-open-2025/round-5/6ayDCg0p/YmKiYq5Z
Date: 2025-09-06
White: Sambuev, Bator
WhiteTitle: GM
WhiteElo: 2431
Black: Chiku-Ratte, Olivier-Kenta
BlackTitle: IM
BlackElo: 2319
Result: 1/2-1/2
ECO: D33
Opening: Tarrasch Defense: Dubov Tarrasch
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:30:06] } 1... e6 { [%eval 0.25] [%clk 1:21:59] } 2. Nc3 { [%eval 0.18] [%clk 1:30:23] } 2... c5 { [%eval 0.18] [%clk 1:22:18] } 3. Nf3 { [%eval 0.25] [%clk 1:29:46] } 3... Nc6 { [%eval 0.21] [%clk 1:20:43] } 4. g3 { [%eval 0.28] [%clk 1:25:51] } 4... d5 { [%eval 0.28] [%clk 1:16:38] } 5. cxd5 { [%eval 0.23] [%clk 1:25:34] } 5... exd5 { [%eval 0.33] [%clk 1:17:04] } 6. d4 { [%eval 0.16] [%clk 1:25:53] } 6... Nf6 { [%eval 0.19] [%clk 1:17:20] } 7. Bg2 { [%eval 0.18] [%clk 1:26:10] } 7... cxd4 { [%eval 0.16] [%clk 1:17:48] } 8. Nxd4 { [%eval 0.13] [%clk 1:26:30] } 8... Bc5 { [%eval 0.14] [%clk 1:18:16] } 9. Nb3 { [%eval 0.21] [%clk 1:26:09] } 9... Bb6 { [%eval 0.21] [%clk 1:18:26] } 10. O-O { [%eval 0.15] [%clk 1:26:14] } 10... d4 { [%eval 0.19] [%clk 1:17:17] } 11. Na4 { [%eval 0.31] [%clk 1:26:26] } 11... O-O { [%eval 0.28] [%clk 1:17:32] } 12. Nxb6 { [%eval 0.07] [%clk 1:24:46] } 12... axb6 { [%eval 0.2] [%clk 1:17:16] } 13. e4 { [%eval -0.13] [%clk 1:15:49] } 13... Bg4 { [%eval -0.14] [%clk 1:04:06] } 14. f3 { [%eval -0.22] [%clk 1:10:15] } 14... Be6 { [%eval -0.14] [%clk 1:02:51] } 15. Rf2 { [%eval -0.19] [%clk 1:09:54] } 15... Bxb3 { [%eval 0.1] [%clk 0:52:16] } 16. Qxb3 { [%eval 0.1] [%clk 1:09:22] } 16... Nd7 { [%eval 0.04] [%clk 0:52:41] } 17. Bd2 { [%eval 0.1] [%clk 1:05:20] } 17... Nc5 { [%eval 0.23] [%clk 0:44:47] } 18. Qc4 { [%eval -0.1] [%clk 0:59:16] } 18... Re8 { [%eval 0.08] [%clk 0:32:15] } 19. b4? { [%eval -1.49] } { Mistake. Bf1 was best. } 19... Ne5 { [%eval -1.15] [%clk 0:20:11] } 20. Qb5?! { [%eval -2.26] } { Inaccuracy. Qd5 was best. } { [%clk 0:51:55] } 20... Nb3?? { [%eval -0.19] } { Blunder. Ncd3 was best. } { [%clk 0:16:27] } 21. Rd1 { [%eval -0.01] [%clk 0:51:29] } 21... Nxd2 { [%eval -0.07] [%clk 0:16:48] } 22. Rfxd2 { [%eval -0.18] [%clk 0:51:15] } 22... d3 { [%eval -0.63] [%clk 0:16:45] } 23. h3?? { [%eval -4.04] } { Blunder. Kh1 was best. } { [%clk 0:47:00] } 23... Qg5 { [%eval -3.9] [%clk 0:13:06] } 24. Qxb6 { [%eval -4.02] [%clk 0:38:22] } 24... Nc4? { [%eval -2.22] } { Mistake. Qxg3 was best. } { [%clk 0:08:14] } 25. Qc5?! { [%eval -3.54] } { Inaccuracy. f4 was best. } { [%clk 0:36:14] } 25... Qxc5+ { [%eval -3.59] [%clk 0:08:29] } 26. bxc5 { [%eval -3.67] [%clk 0:36:41] } 26... Nxd2 { [%eval -3.43] [%clk 0:08:56] } 27. Rxd2 { [%eval -3.5] [%clk 0:37:04] } 27... Red8 { [%eval -3.48] [%clk 0:09:16] } 28. Bf1 { [%eval -3.71] [%clk 0:37:11] } 28... Rac8 { [%eval -3.85] [%clk 0:07:23] } 29. Bxd3 { [%eval -3.99] [%clk 0:37:30] } 29... Rxc5 { [%eval -3.67] [%clk 0:07:48] } 30. Kf2 { [%eval -3.75] [%clk 0:37:54] } 30... Kf8 { [%eval -3.81] [%clk 0:07:59] } 31. Ke2 { [%eval -3.79] [%clk 0:36:04] } 31... Rc3 { [%eval -3.5] [%clk 0:07:15] } 32. f4 { [%eval -4.18] [%clk 0:34:58] } 32... f6 { [%eval -3.78] [%clk 0:06:37] } 33. h4 { [%eval -4.2] [%clk 0:30:47] } 33... Ke7 { [%eval -3.76] [%clk 0:04:02] } 34. g4 { [%eval -3.77] [%clk 0:26:38] } 34... h6 { [%eval -3.66] [%clk 0:03:48] } 35. h5 { [%eval -3.67] [%clk 0:26:56] } 35... Ra3 { [%eval -3.89] [%clk 0:02:17] } 36. Ke3 { [%eval -3.74] [%clk 0:27:07] } 36... Rd7 { [%eval -3.83] [%clk 0:02:00] } 37. Ke2 { [%eval -3.69] [%clk 0:26:52] } 37... b6 { [%eval -3.72] [%clk 0:01:24] } 38. Ke3 { [%eval -3.69] [%clk 0:27:08] } 38... Rc3 { [%eval -3.78] [%clk 0:01:25] } 39. Rd1 { [%eval -3.83] [%clk 0:26:39] } 39... Ra3 { [%eval -3.61] [%clk 0:00:49] } 40. Rd2 { [%eval -3.35] [%clk 0:27:07] } 40... b5 { [%eval -3.38] [%clk 0:01:06] } 41. Ke2 { [%eval -3.04] [%clk 0:27:22] } 41... Rda7 { [%eval -3.47] [%clk 0:01:05] } 42. Bxb5 { [%eval -3.25] [%clk 0:22:20] } 42... Rxa2 { [%eval -3.61] [%clk 0:01:28] } 43. Rxa2 { [%eval -3.55] [%clk 0:21:14] } 43... Rxa2+ { [%eval -3.38] [%clk 0:01:57] } 44. Ke3 { [%eval -3.4] [%clk 0:21:20] } 44... Ra3+ { [%eval -3.17] [%clk 0:01:02] } 45. Bd3?! { [%eval -4.29] } { Inaccuracy. Kd4 was best. } { [%clk 0:21:10] } 45... Ra4 { [%eval -3.91] [%clk 0:01:15] } 46. Bc2 { [%eval -4.51] [%clk 0:21:09] } 46... Rb4 { [%eval -3.96] [%clk 0:01:31] } 47. Kd3?! { [%eval -5.03] } { Inaccuracy. Bd1 was best. } { [%clk 0:18:11] } 47... Kd6 { [%eval -5.18] [%clk 0:01:57] } 48. Kc3 { [%eval -5.29] [%clk 0:18:08] } 48... Kc5 { [%eval -5.37] [%clk 0:02:15] } 49. Kd3 { [%eval -5.15] [%clk 0:18:20] } 49... Rb2 { [%eval -5.24] [%clk 0:01:59] } 50. Bd1 { [%eval -5.35] [%clk 0:15:52] } 50... Rb1 { [%eval -5.18] [%clk 0:02:16] } 51. Bf3 { [%eval -5.91] [%clk 0:15:43] } 51... Rb3+ { [%eval -5.56] [%clk 0:02:43] } 52. Ke2 { [%eval -5.56] [%clk 0:16:09] } 52... Kd4 { [%eval -5.86] [%clk 0:03:09] } 53. Kf2 { [%eval -5.73] [%clk 0:16:36] } 53... Rb5 { [%eval -5.17] [%clk 0:01:33] } 54. Kg3 { [%eval -5.65] [%clk 0:16:20] } 54... Ke3 { [%eval -5.34] [%clk 0:01:52] } 55. Bg2 { [%eval -5.12] [%clk 0:16:23] } 55... Rb4 { [%eval -4.97] [%clk 0:01:35] } 56. e5 { [%eval -4.94] [%clk 0:15:50] } 56... fxe5 { [%eval -4.9] [%clk 0:01:48] } 57. fxe5 { [%eval -4.7] [%clk 0:16:16] } 57... Rb5 { [%eval -5.14] [%clk 0:01:52] } 58. g5 { [%eval -5.22] [%clk 0:16:31] } 58... Rxe5 { [%eval -5.13] [%clk 0:00:57] } 59. gxh6 { [%eval -5.13] [%clk 0:16:52] } 59... gxh6 { [%eval -4.61] [%clk 0:01:26] } 60. Kh4 { [%eval -5.42] [%clk 0:15:55] } 60... Kf4 { [%eval -5.35] [%clk 0:01:23] } 61. Bc6 { [%eval -5.35] [%clk 0:16:06] } 61... Re1 { [%eval -5.26] [%clk 0:00:46] } 62. Kh3 { [%eval -5.23] [%clk 0:16:11] } 62... Re3+ { [%eval -5.5] [%clk 0:00:41] } 63. Kh4 { [%eval -5.5] [%clk 0:13:41] } 63... Re2 { [%eval -5.46] [%clk 0:00:41] } 64. Kh3 { [%eval -5.49] [%clk 0:14:05] } 64... Kf5 { [%eval -5.37] [%clk 0:00:42] } 65. Kg3 { [%eval -5.51] [%clk 0:13:39] } 65... Kg5 { [%eval -5.47] [%clk 0:00:49] } 66. Bf3 { [%eval -5.5] [%clk 0:13:18] } 66... Re3 { [%eval -5.46] [%clk 0:00:42] } 67. Kg2 { [%eval -4.91] [%clk 0:13:25] } 67... Kf4 { [%eval -5.79] [%clk 0:00:47] } 68. Bd5 { [%eval -5.79] [%clk 0:13:32] } 68... Re7 { [%eval -5.75] [%clk 0:00:45] } 69. Kh3 { [%eval -5.46] [%clk 0:12:04] } 69... Rd7 { [%eval -5.23] [%clk 0:00:50] } 70. Bc6 { [%eval -5.26] [%clk 0:12:15] } 70... Rd8 { [%eval -5.27] [%clk 0:01:03] } 71. Kg2 { [%eval -5.5] [%clk 0:12:15] } 71... Rf8 { [%eval -5.59] [%clk 0:00:54] } 72. Bf3 { [%eval -5.63] [%clk 0:10:47] } 72... Rg8+ { [%eval -5.71] [%clk 0:00:55] } 73. Kf2 { [%eval -5.53] [%clk 0:11:12] } 73... Rb8 { [%eval -5.56] [%clk 0:00:52] } 74. Bd5 { [%eval -5.51] [%clk 0:11:16] } 74... Rb2+ { [%eval -5.84] [%clk 0:00:54] } 75. Kf1 { [%eval -4.54] [%clk 0:11:38] } 75... Kg3?? { [%eval 0.0] } { Blunder. Ke3 was best. } { [%clk 0:00:56] } 76. Be4?? { [%eval -4.84] } { Blunder. Ke1 was best. } { [%clk 0:11:16] } 76... Rh2?? { [%eval 0.0] } { Blunder. Rb5 was best. } { [%clk 0:00:38] } 77. Bg6 { [%eval 0.0] [%clk 0:11:41] } 77... Kf3 { [%eval 0.0] [%clk 0:01:04] } 78. Ke1 { [%eval 0.0] [%clk 0:11:49] } 78... Ke3 { [%eval 0.0] [%clk 0:01:02] } 79. Kf1?? { [%eval -5.18] } { Blunder. Kd1 was best. } { [%clk 0:11:43] } 79... Rf2+?? { [%eval 0.0] } { Blunder. Ra2 was best. } { [%clk 0:01:13] } 80. Ke1 { [%eval 0.0] [%clk 0:11:31] } 80... Ra2 { [%eval 0.0] [%clk 0:01:24] } 81. Kf1?? { [%eval -5.23] } { Blunder. Kd1 was best. } { [%clk 0:11:55] } 81... Kf3?? { [%eval 0.0] } { Blunder. Rh2 was best. } { [%clk 0:01:48] } 82. Ke1 { [%eval 0.0] [%clk 0:12:16] } 82... Rh2 { [%eval 0.0] [%clk 0:01:34] } 83. Kd1 { [%eval 0.0] [%clk 0:10:16] } 83... Ke3 { [%eval 0.0] [%clk 0:01:44] } 84. Be8 { [%eval 0.0] [%clk 0:10:15] } 84... Rg2 { [%eval 0.0] [%clk 0:00:44] } 85. Bg6 { [%eval 0.0] [%clk 0:10:26] } 85... Ra2 { [%eval 0.0] [%clk 0:00:43] } 86. Be8 { [%eval 0.0] [%clk 0:10:23] } 86... Kf2 { [%eval 0.0] [%clk 0:00:41] } 87. Bg6 { [%eval 0.0] [%clk 0:10:16] } 87... Ke3 { [%eval 0.0] [%clk 0:00:45] } 88. Be8 { [%eval 0.0] [%clk 0:10:34] } 88... Rd2+ { [%eval 0.0] [%clk 0:00:59] } 89. Ke1 { [%eval 0.0] [%clk 0:10:46] } 89... Rd8 { [%eval 0.0] [%clk 0:00:59] } 90. Bg6 { [%eval 0.0] [%clk 0:11:09] } 90... Kf3 { [%eval 0.0] [%clk 0:01:17] } 91. Bf7 { [%eval 0.0] [%clk 0:11:24] } 91... Rd6 { [%eval 0.0] [%clk 0:01:32] } 92. Bg6 { [%eval 0.0] [%clk 0:11:25] } 92... Rd7 { [%eval 0.0] [%clk 0:01:37] } 93. Bf5 { [%eval 0.0] [%clk 0:11:45] } 93... Rd5 { [%eval 0.0] [%clk 0:00:34] } 94. Bg6 { [%eval 0.0] [%clk 0:12:07] } 94... Rd4 { [%eval 0.0] [%clk 0:00:40] } 95. Bf7 { [%eval 0.0] [%clk 0:12:11] } 95... Ke3 { [%eval 0.0] [%clk 0:00:40] } 96. Bg6 { [%eval 0.0] [%clk 0:12:33] } 96... Rh4 { [%eval 0.0] [%clk 0:00:48] } 97. Kd1 { [%eval 0.0] [%clk 0:12:40] } 97... Rh1+ { [%eval 0.0] [%clk 0:01:14] } 98. Kc2 { [%eval 0.0] [%clk 0:13:06] } 98... Ra1 { [%eval 0.0] [%clk 0:01:13] } 99. Bf7 { [%eval 0.0] [%clk 0:13:05] } 99... Ra5 { [%eval 0.0] [%clk 0:00:40] } 100. Bg6 { [%eval 0.0] [%clk 0:13:28] } 100... Rc5+ { [%eval 0.0] [%clk 0:00:39] } 101. Kd1 { [%eval 0.0] [%clk 0:13:52] } 101... Kf3 { [%eval 0.0] [%clk 0:00:47] } 102. Kd2 { [%eval 0.0] [%clk 0:14:04] } 102... Rd5+ { [%eval 0.0] [%clk 0:01:09] } 103. Ke1 { [%eval 0.0] [%clk 0:14:21] } 103... Re5+ { [%eval 0.0] [%clk 0:01:13] } 104. Kd2 { [%eval 0.0] [%clk 0:14:46] } 104... Re7 { [%eval 0.0] [%clk 0:01:12] } 105. Kd1 { [%eval 0.0] [%clk 0:15:03] } 105... Kf2 { [%eval 0.0] [%clk 0:01:22] } 106. Kd2 { [%eval 0.0] [%clk 0:15:20] } 106... Rd7+ { [%eval 0.0] [%clk 0:01:50] } 107. Kc3 { [%eval 0.0] [%clk 0:15:45] } 107... Ke3 { [%eval 0.0] [%clk 0:01:30] } 108. Kc4 { [%eval 0.0] [%clk 0:15:32] } 108... Kf4 { [%eval 0.0] [%clk 0:01:50] } 109. Be8 { [%eval 0.0] [%clk 0:15:41] } 109... Rd8 { [%eval 0.0] [%clk 0:01:33] } 1/2-1/2