Event: Round 11: Dautov, Polatbek - Koops, Randolf
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-11/fX1DoLhb/9wGgAvuL
Date: 2025-11-01
White: Dautov, Polatbek
WhiteElo: 1877
Black: Koops, Randolf
BlackElo: 2057
Result: 1-0
ECO: A40
Opening: Mikenas Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... Nc6 { [%eval 0.6] [%clk 1:30:53] } 2. Nf3 { [%eval 0.39] [%clk 1:30:58] } 2... d6 { [%eval 0.67] [%clk 1:30:38] } 3. a3 { [%eval 0.43] [%clk 1:29:02] } 3... Nf6 { [%eval 0.58] [%clk 1:30:40] } 4. b4 { [%eval 0.04] [%clk 1:29:20] } 4... g6 { [%eval 0.21] [%clk 1:30:16] } 5. Bb2 { [%eval 0.28] [%clk 1:29:45] } 5... Bg7 { [%eval 0.34] [%clk 1:30:19] } 6. Nbd2 { [%eval -0.09] [%clk 1:29:46] } 6... O-O { [%eval 0.17] [%clk 1:25:32] } 7. g3?! { [%eval -0.53] } { Inaccuracy. c4 was best. } { [%clk 1:28:33] } 7... Re8 { [%eval -0.05] [%clk 1:23:42] } 8. b5 { [%eval -0.42] [%clk 1:26:30] } 8... Nb8 { [%eval -0.08] [%clk 1:21:59] } 9. Bg2 { [%eval -0.03] [%clk 1:26:55] } 9... a6 { [%eval 0.01] [%clk 1:18:59] } 10. c4 { [%eval -0.41] [%clk 1:26:25] } 10... axb5 { [%eval -0.26] [%clk 1:16:59] } 11. cxb5 { [%eval -0.31] [%clk 1:26:51] } 11... Nbd7 { [%eval 0.0] [%clk 1:13:54] } 12. O-O { [%eval 0.07] [%clk 1:27:02] } 12... c5 { [%eval 0.1] [%clk 1:09:09] } 13. e3?! { [%eval -0.8] } { Inaccuracy. a4 was best. } { [%clk 1:25:38] } 13... Ng4?? { [%eval 1.07] } { Blunder. cxd4 was best. } { [%clk 0:59:29] } 14. Qb3?! { [%eval 0.01] } { Inaccuracy. h3 was best. } { [%clk 1:25:29] } 14... e6?! { [%eval 1.06] } { Inaccuracy. cxd4 was best. } { [%clk 0:55:39] } 15. a4 { [%eval 1.01] [%clk 1:25:45] } 15... d5 { [%eval 1.01] [%clk 0:55:23] } 16. Rfc1?! { [%eval 0.38] } { Inaccuracy. h3 was best. } { [%clk 1:24:51] } 16... c4 { [%eval 0.35] [%clk 0:54:35] } 17. Qd1 { [%eval -0.02] [%clk 1:24:51] } 17... b6?? { [%eval 2.25] } { Blunder. e5 was best. } { [%clk 0:53:34] } 18. Ne1 { [%eval 2.34] [%clk 1:25:04] } 18... f5 { [%eval 2.95] [%clk 0:50:45] } 19. h3 { [%eval 2.82] [%clk 1:25:12] } 19... Nh6 { [%eval 2.74] [%clk 0:50:30] } 20. Nxc4 { [%eval 2.77] [%clk 1:25:36] } 20... Nf6 { [%eval 2.97] [%clk 0:46:55] } 21. Ne5 { [%eval 2.84] [%clk 1:25:51] } 21... Ne4 { [%eval 2.92] [%clk 0:46:59] } 22. N1d3 { [%eval 2.89] [%clk 1:25:32] } 22... Bb7 { [%eval 2.89] [%clk 0:45:27] } 23. Qe1 { [%eval 2.69] [%clk 1:25:07] } 23... g5 { [%eval 3.36] [%clk 0:43:23] } 24. Qe2 { [%eval 3.0] [%clk 1:24:32] } 24... Nf6 { [%eval 3.34] [%clk 0:42:06] } 25. Nb4 { [%eval 2.92] [%clk 1:24:18] } 25... Nf7 { [%eval 2.95] [%clk 0:42:10] } 26. Nbc6 { [%eval 3.06] [%clk 1:24:26] } 26... Bxc6 { [%eval 2.9] [%clk 0:42:05] } 27. Nxc6 { [%eval 2.92] [%clk 1:24:28] } 27... Qd7 { [%eval 2.56] [%clk 0:42:16] } 28. Kh2 { [%eval 2.22] [%clk 1:23:30] } 28... h5 { [%eval 2.19] [%clk 0:39:58] } 29. Ne5 { [%eval 2.4] [%clk 1:23:49] } 29... Qb7 { [%eval 2.28] [%clk 0:38:45] } 30. Rc6 { [%eval 2.21] [%clk 1:24:00] } 30... g4 { [%eval 2.65] [%clk 0:37:26] } 31. h4 { [%eval 2.44] [%clk 1:24:15] } 31... Nxe5?! { [%eval 3.57] } { Inaccuracy. Nd8 was best. } { [%clk 0:36:44] } 32. dxe5 { [%eval 3.36] [%clk 1:24:36] } 32... Nd7 { [%eval 3.21] [%clk 0:37:01] } 33. f4?? { [%eval 0.23] } { Blunder. Bd4 was best. } { [%clk 1:24:31] } 33... Nc5?? { [%eval 3.93] } { Blunder. gxf3 was best. } { [%clk 0:35:46] } 34. Qc2?? { [%eval 1.31] } { Blunder. a5 was best. } { [%clk 1:24:39] } 34... Rec8 { [%eval 1.44] [%clk 0:26:50] } 35. Rxc8+ { [%eval 2.01] [%clk 1:24:30] } 35... Rxc8 { [%eval 1.79] [%clk 0:27:11] } 36. Bd4 { [%eval 1.77] [%clk 1:24:30] } 36... Bf8 { [%eval 1.44] [%clk 0:26:35] } 37. Qa2? { [%eval 0.22] } { Mistake. a5 was best. } { [%clk 1:23:22] } 37... Ra8 { [%eval 0.48] [%clk 0:25:25] } 38. Qc2 { [%eval 0.0] [%clk 1:23:43] } 38... Qc7 { [%eval 0.22] [%clk 0:21:47] } 39. Bf1 { [%eval 0.0] [%clk 1:23:41] } 39... Kf7 { [%eval 0.0] [%clk 0:21:50] } 40. Be2 { [%eval 0.0] [%clk 1:23:54] } 40... Ke8 { [%eval 0.01] [%clk 0:21:41] } 41. Bd1 { [%eval 0.17] [%clk 1:24:15] } 41... Ra5 { [%eval 0.0] [%clk 0:19:52] } 42. Rc1 { [%eval 0.0] [%clk 1:22:06] } 42... Qb7 { [%eval 0.04] [%clk 0:15:54] } 43. Qb1 { [%eval 0.07] [%clk 1:19:24] } 43... Kd8?! { [%eval 1.12] } { Inaccuracy. Ra8 was best. } { [%clk 0:07:46] } 44. Bc3?! { [%eval 0.49] } { Inaccuracy. Qa2 was best. } { [%clk 1:19:31] } 44... Ra8 { [%eval 0.58] [%clk 0:08:08] } 45. Bb4 { [%eval 0.8] [%clk 1:19:52] } 45... Ke8?! { [%eval 1.55] } { Inaccuracy. Qa7 was best. } { [%clk 0:07:47] } 46. a5 { [%eval 1.45] [%clk 1:20:11] } 46... Rc8 { [%eval 1.65] [%clk 0:02:01] } 47. a6 { [%eval 1.52] [%clk 1:20:18] } 47... Qa8?? { [%eval 3.75] } { Blunder. Qc7 was best. } { [%clk 0:29:53] } 48. Qc2? { [%eval 1.73] } { Mistake. Bc2 was best. } { [%clk 1:50:04] } 48... Qb8 { [%eval 2.21] [%clk 0:27:13] } 49. Qa2 { [%eval 2.04] [%clk 1:47:39] } 49... Qa8? { [%eval 3.85] } { Mistake. Qc7 was best. } { [%clk 0:22:46] } 50. Be2?! { [%eval 2.55] } { Inaccuracy. e4 was best. } { [%clk 1:47:55] } 50... Rc7?! { [%eval 3.82] } { Inaccuracy. Qb8 was best. } { [%clk 0:19:50] } 51. Qa3? { [%eval 2.22] } { Mistake. e4 was best. } { [%clk 1:42:16] } 51... Be7?! { [%eval 3.13] } { Inaccuracy. Kf7 was best. } { [%clk 0:19:01] } 52. Bf1?! { [%eval 2.11] } { Inaccuracy. e4 was best. } { [%clk 1:40:54] } 52... Kf7 { [%eval 2.07] [%clk 0:18:13] } 53. Bg2 { [%eval 1.66] [%clk 1:40:42] } 53... Bf8 { [%eval 1.48] [%clk 0:17:53] } 54. Rc3 { [%eval 1.86] [%clk 1:37:25] } 54... Be7 { [%eval 1.88] [%clk 0:18:12] } 55. Qa2 { [%eval 1.86] [%clk 1:36:30] } 55... Bf8 { [%eval 1.68] [%clk 0:18:09] } 56. Bf1 { [%eval 1.56] [%clk 1:36:13] } 56... Be7?! { [%eval 2.73] } { Inaccuracy. Qd8 was best. } { [%clk 0:18:31] } 57. Ra3? { [%eval 1.36] } { Mistake. e4 was best. } { [%clk 1:36:20] } 57... Ra7 { [%eval 1.78] [%clk 0:18:44] } 58. Kg1?! { [%eval 1.18] } { Inaccuracy. Qc2 was best. } { [%clk 1:35:55] } 58... Bf8 { [%eval 1.32] [%clk 0:19:07] } 59. Bg2 { [%eval 1.32] [%clk 1:35:11] } 59... Be7 { [%eval 1.57] [%clk 0:19:12] } 60. Kh2 { [%eval 1.25] [%clk 1:35:28] } 60... Bf8 { [%eval 1.78] [%clk 0:19:36] } 61. Rc3?? { [%eval 0.0] } { Blunder. Qc2 was best. } { [%clk 1:35:21] } 61... Rc7?? { [%eval 1.87] } { Blunder. Nxa6 was best. } { [%clk 0:19:54] } 62. e4 { [%eval 1.66] [%clk 1:34:43] } 62... fxe4?! { [%eval 2.68] } { Inaccuracy. dxe4 was best. } { [%clk 0:19:36] } 63. f5 { [%eval 2.75] [%clk 1:35:05] } 63... exf5 { [%eval 2.53] [%clk 0:19:42] } 64. Qf2?! { [%eval 1.48] } { Inaccuracy. Qd2 was best. } { [%clk 1:28:49] } 64... Ke6 { [%eval 1.55] [%clk 0:19:44] } 65. Qf4 { [%eval 1.58] [%clk 1:28:39] } 65... d4?! { [%eval 2.23] } { Inaccuracy. Qd8 was best. } { [%clk 0:17:42] } 66. Bf1 { [%eval 1.65] [%clk 1:28:10] } 66... d3?? { [%eval 3.74] } { Blunder. Nxa6 was best. } { [%clk 0:16:30] } 67. Qg5 { [%eval 3.54] [%clk 1:28:13] } 67... Be7 { [%eval 4.33] [%clk 0:16:23] } 68. Qh6+? { [%eval 2.7] } { Mistake. Qg6+ was best. } { [%clk 1:28:35] } 68... Kf7?? { [%eval 9.31] } { Blunder. Kd7 was best. } { [%clk 0:06:14] } 69. e6+ { [%eval 8.52] [%clk 1:24:37] } 69... Ke8? { [%eval #3] } { Checkmate is now unavoidable. Nxe6 was best. } { [%clk 0:04:51] } 70. Qxh5+ { [%eval #2] [%clk 1:24:53] } 1-0