Event: Round 1: Ondersteijn, Niels - Elgersma, Onno
Date: 2024-09-21
White: Ondersteijn, Niels
WhiteTitle: IM
WhiteElo: 2347
Black: Elgersma, Onno
BlackTitle: FM
BlackElo: 2320
Result: 1-0
ECO: A34
Opening: English Opening: Symmetrical Variation, Rubinstein Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:57] } 1... Nf6 { [%eval 0.21] [%clk 1:27:53] } 2. g3 { [%eval 0.1] [%clk 1:31:16] } 2... c5 { [%eval 0.22] [%clk 1:24:28] } 3. Bg2 { [%eval 0.07] [%clk 1:31:35] } 3... d5 { [%eval 0.2] [%clk 1:24:20] } 4. cxd5 { [%eval 0.12] [%clk 1:31:44] } 4... Nxd5 { [%eval 0.15] [%clk 1:24:44] } 5. Nc3 { [%eval 0.16] [%clk 1:32:09] } 5... Nc7 { [%eval 0.14] [%clk 1:25:00] } 6. Nf3 { [%eval 0.0] [%clk 1:31:50] } 6... Nc6 { [%eval 0.0] [%clk 1:24:59] } 7. a3 { [%eval 0.06] [%clk 1:31:16] } 7... g6 { [%eval 0.09] [%clk 1:23:35] } 8. O-O { [%eval -0.14] [%clk 1:19:53] } 8... Bg7 { [%eval -0.09] [%clk 1:23:32] } 9. d3 { [%eval -0.15] [%clk 1:19:45] } 9... O-O { [%eval -0.18] [%clk 1:20:23] } 10. Be3 { [%eval -0.29] [%clk 1:11:52] } 10... Ne6 { [%eval -0.02] [%clk 1:12:16] } 11. Rc1 { [%eval -0.12] [%clk 1:05:37] } 11... Bd7 { [%eval -0.13] [%clk 0:53:01] } 12. Nd2 { [%eval -0.5] [%clk 0:56:04] } 12... Rc8 { [%eval -0.52] [%clk 0:45:48] } 13. Nde4 { [%eval -0.56] [%clk 0:41:41] } 13... b6 { [%eval -0.66] [%clk 0:41:38] } 14. Ng5 { [%eval -0.96] [%clk 0:40:34] } 14... Ncd4 { [%eval -0.48] [%clk 0:38:00] } 15. Nxe6 { [%eval -0.53] [%clk 0:34:32] } 15... Bxe6 { [%eval -0.6] [%clk 0:36:48] } 16. Bxd4 { [%eval -0.86] [%clk 0:34:03] } 16... Qxd4 { [%eval -0.89] [%clk 0:34:08] } 17. Bb7 { [%eval -0.95] [%clk 0:27:02] } 17... Rb8 { [%eval -0.99] [%clk 0:30:03] } 18. Bc6 { [%eval -1.17] [%clk 0:25:22] } 18... Rfc8 { [%eval -0.99] [%clk 0:25:35] } 19. Bb5 { [%eval -0.98] [%clk 0:22:45] } 19... h5 { [%eval -0.72] [%clk 0:21:41] } 20. Qa4 { [%eval -1.2] [%clk 0:22:02] } 20... Qxa4 { [%eval -1.27] [%clk 0:18:48] } 21. Nxa4 { [%eval -1.25] [%clk 0:21:40] } 21... h4 { [%eval -0.91] [%clk 0:16:13] } 22. Nc3 { [%eval -0.73] [%clk 0:18:47] } 22... Rd8 { [%eval -0.71] [%clk 0:14:15] } 23. Rfd1 { [%eval -0.82] [%clk 0:12:39] } 23... Rbc8 { [%eval -0.69] [%clk 0:12:33] } 24. Kf1 { [%eval -0.63] [%clk 0:11:20] } 24... Bf6 { [%eval -0.6] [%clk 0:11:53] } 25. Bc4 { [%eval -0.4] [%clk 0:07:46] } 25... Bh3+ { [%eval -0.45] [%clk 0:11:41] } 26. Ke1 { [%eval -0.54] [%clk 0:06:13] } 26... Kg7 { [%eval -0.57] [%clk 0:11:39] } 27. a4 { [%eval -0.88] [%clk 0:05:28] } 27... Bd7 { [%eval -0.67] [%clk 0:08:59] } 28. Bb5 { [%eval -0.65] [%clk 0:03:57] } 28... Bf5 { [%eval -0.45] [%clk 0:08:39] } 29. Ra1 { [%eval -0.79] [%clk 0:03:41] } 29... Rd4 { [%eval -0.55] [%clk 0:08:10] } 30. Bc4 { [%eval -0.41] [%clk 0:03:38] } 30... a5 { [%eval -0.06] [%clk 0:01:37] } 31. Ra3 { [%eval -0.56] [%clk 0:02:09] } 31... hxg3 { [%eval -0.2] [%clk 0:01:35] } 32. hxg3 { [%eval -0.18] [%clk 0:02:33] } 32... Rh8 { [%eval -0.19] [%clk 0:01:48] } 33. Nd5 { [%eval -0.26] [%clk 0:01:20] } 33... Rh1+ { [%eval -0.3] [%clk 0:01:00] } 34. Kd2 { [%eval -0.22] [%clk 0:01:48] } 34... Rh2 { [%eval -0.21] [%clk 0:01:00] } 35. Rb3 { [%eval -0.17] [%clk 0:01:01] } 35... Rxf2? { [%eval 1.33] } { Mistake. Bg5+ was best. } { [%clk 0:00:44] } 36. Nxf6 { [%eval 1.45] [%clk 0:01:07] } 36... Kxf6?! { [%eval 2.1] } { Inaccuracy. exf6 was best. } { [%clk 0:00:38] } 37. Rxb6+ { [%eval 1.99] [%clk 0:01:33] } 37... e6?! { [%eval 3.03] } { Inaccuracy. Be6 was best. } { [%clk 0:00:55] } 38. Ra6 { [%eval 2.83] [%clk 0:00:43] } 38... Rg4?! { [%eval 3.8] } { Inaccuracy. Rd7 was best. } { [%clk 0:00:38] } 39. Rg1 { [%eval 3.82] [%clk 0:00:47] } 39... Rg5 { [%eval 3.63] [%clk 0:00:40] } 40. Rxa5 { [%eval 3.87] [%clk 0:00:43] } 40... Bg4 { [%eval 4.08] [%clk 0:01:04] } 41. d4 { [%eval 3.8] [%clk 0:27:02] } 41... Rh5 { [%eval 4.72] [%clk 0:06:15] } 42. Rxc5 { [%eval 4.9] [%clk 0:26:04] } 42... Rhh2 { [%eval 4.88] [%clk 0:06:30] } 43. Re5 { [%eval 4.79] [%clk 0:26:22] } 43... Rh8 { [%eval 4.7] [%clk 0:06:22] } 44. a5 { [%eval 4.77] [%clk 0:23:35] } 44... Rb8 { [%eval 4.72] [%clk 0:06:07] } 45. b3 { [%eval 4.64] [%clk 0:22:16] } 45... Ke7 { [%eval 5.03] [%clk 0:05:21] } 46. a6 { [%eval 4.93] [%clk 0:19:54] } 46... Ra8 { [%eval 5.4] [%clk 0:03:51] } 47. b4 { [%eval 5.32] [%clk 0:17:35] } 47... Kd6 { [%eval 5.71] [%clk 0:03:40] } 48. b5 { [%eval 5.76] [%clk 0:16:12] } 48... Rh2 { [%eval 6.83] [%clk 0:00:53] } 49. b6 { [%eval 6.65] [%clk 0:15:06] } 49... f6 { [%eval 7.36] [%clk 0:00:53] } 50. b7 { [%eval 7.12] [%clk 0:14:29] } 50... Rb8 { [%eval 7.9] [%clk 0:00:51] } 51. Rb5 { [%eval 7.63] [%clk 0:12:31] } 51... Bf3 { [%clk 0:00:52] } 52. a7 { [%clk 0:12:44] } 1-0