Event: Round 3: Jan Boder - Calvin John Klaasen
Date: 2023-06-10
White: Jan Boder
Black: Calvin John Klaasen
Result: 1/2-1/2
ECO: B36
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:29:22] } 1... c5 { [%eval 0.32] [%clk 1:30:30] } 2. Nf3 { [%eval 0.0] [%clk 1:29:43] } 2... Nc6 { [%eval 0.0] [%clk 1:30:27] } 3. d4 { [%eval 0.33] [%clk 1:29:56] } 3... cxd4 { [%eval 0.38] [%clk 1:30:52] } 4. Nxd4 { [%eval 0.29] [%clk 1:30:19] } 4... g6 { [%eval 0.64] [%clk 1:30:59] } 5. c4 { [%eval 0.52] [%clk 1:30:33] } 5... Nf6 { [%eval 0.68] [%clk 1:29:56] } 6. Nc3 { [%eval 0.51] [%clk 1:30:49] } 6... d6 { [%eval 0.71] [%clk 1:30:22] } 7. Be2 { [%eval 0.58] [%clk 1:31:02] } 7... Nxd4 { [%eval 0.67] [%clk 1:30:33] } 8. Qxd4 { [%eval 0.45] [%clk 1:31:15] } 8... Bg7 { [%eval 0.5] [%clk 1:31:01] } 9. Be3 { [%eval 0.47] [%clk 1:30:35] } 9... O-O { [%eval 0.49] [%clk 1:31:24] } 10. Qd2 { [%eval 0.52] [%clk 1:30:57] } 10... a5 { [%eval 0.28] [%clk 1:31:30] } 11. f3 { [%eval 0.36] [%clk 1:29:55] } 11... a4 { [%eval 0.31] [%clk 1:31:48] } 12. Bd4 { [%eval 0.02] [%clk 1:18:49] } 12... Qa5 { [%eval -0.03] [%clk 1:15:20] } 13. g4 { [%eval -0.1] [%clk 1:14:00] } 13... Be6 { [%eval -0.23] [%clk 1:09:56] } 14. g5 { [%eval -0.56] [%clk 1:08:52] } 14... Nd7 { [%eval -0.27] [%clk 1:09:16] } 15. Bxg7 { [%eval -0.41] [%clk 1:09:05] } 15... Kxg7 { [%eval -0.26] [%clk 1:09:44] } 16. Nd5 { [%eval -0.5] [%clk 1:09:02] } 16... Bxd5 { [%eval -0.52] [%clk 1:09:13] } 17. Qxa5 { [%eval -0.27] [%clk 1:07:01] } 17... Rxa5 { [%eval -0.27] [%clk 1:09:40] } 18. cxd5 { [%eval -0.43] [%clk 1:07:20] } 18... f5 { [%eval -0.49] [%clk 0:52:22] } 19. gxf6+ { [%eval -0.27] [%clk 0:45:10] } 19... Kxf6 { [%eval 0.03] [%clk 0:52:38] } 20. Rc1 { [%eval 0.07] [%clk 0:44:53] } 20... Rc5 { [%eval 0.04] [%clk 0:53:00] } 21. Kd2 { [%eval 0.0] [%clk 0:43:17] } 21... g5 { [%eval 0.02] [%clk 0:41:56] } 22. h4 { [%eval -0.34] [%clk 0:36:50] } 22... g4?! { [%eval 0.35] } { Inaccuracy. Rxc1 was best. } { [%clk 0:39:39] } 23. fxg4 { [%eval 0.19] [%clk 0:36:29] } 23... Ke5 { [%eval 0.31] [%clk 0:40:04] } 24. Ke3 { [%eval -0.22] [%clk 0:35:19] } 24... Rf4 { [%eval -0.26] [%clk 0:40:07] } 25. Bf3 { [%eval -0.22] [%clk 0:34:37] } 25... Nf6 { [%eval -0.18] [%clk 0:37:15] } 26. Rxc5 { [%eval -0.14] [%clk 0:28:22] } 26... dxc5 { [%eval -0.21] [%clk 0:37:43] } 27. g5 { [%eval -0.16] [%clk 0:23:58] } 27... Nxe4 { [%eval -0.15] [%clk 0:37:46] } 28. g6? { [%eval -1.59] } { Mistake. Bxe4 was best. } { [%clk 0:05:58] } 28... hxg6 { [%eval -1.38] [%clk 0:37:30] } 29. h5 { [%eval -1.56] [%clk 0:05:18] } 29... Ng3 { [%eval -1.49] [%clk 0:30:42] } 30. hxg6 { [%eval -1.73] [%clk 0:04:25] } 30... Nf5+ { [%eval -1.53] [%clk 0:30:58] } 31. Kf2 { [%eval -1.43] [%clk 0:04:19] } 31... Kf6 { [%eval -1.5] [%clk 0:31:17] } 32. Rg1 { [%eval -2.16] [%clk 0:01:26] } 32... Kg7 { [%eval -1.49] [%clk 0:30:25] } 33. Rg4 { [%eval -1.93] [%clk 0:00:56] } 33... Rxg4 { [%eval -1.31] [%clk 0:30:40] } 34. Bxg4 { [%eval -1.58] [%clk 0:01:25] } 34... Kxg6 { [%eval -1.52] [%clk 0:31:03] } 35. Kf3 { [%eval -1.91] [%clk 0:01:15] } 35... Kf6 { [%eval -1.8] [%clk 0:30:37] } 36. Kf4 { [%eval -1.87] [%clk 0:01:20] } 36... Nd6 { [%eval -1.5] [%clk 0:29:41] } 37. Bd7?! { [%eval -2.73] } { Inaccuracy. Bd1 was best. } { [%clk 0:00:56] } 37... a3?? { [%eval -0.44] } { Blunder. Nc4 was best. } { [%clk 0:26:25] } 38. bxa3 { [%eval -0.48] [%clk 0:01:24] } 38... Nc4 { [%eval -0.47] [%clk 0:26:40] } 39. Ke4?? { [%eval -2.86] } { Blunder. Bc8 was best. } { [%clk 0:00:36] } 39... Nxa3 { [%eval -3.09] [%clk 0:26:27] } 40. Ba4?! { [%eval -4.18] } { Inaccuracy. Bh3 was best. } { [%clk 0:00:37] } 40... b5 { [%eval -4.1] [%clk 0:24:09] } 41. Bd1 { [%eval -4.12] [%clk 0:00:41] } 41... b4 { [%eval -4.05] [%clk 0:22:00] } 42. Be2 { [%eval -4.79] [%clk 0:00:32] } 42... c4 { [%eval -4.83] [%clk 0:16:52] } 43. Bd1 { [%eval -5.0] [%clk 0:00:31] } 43... c3 { [%eval -5.08] [%clk 0:14:47] } 44. Kd3 { [%eval -4.59] [%clk 0:01:00] } 44... Ke5 { [%eval -4.96] [%clk 0:14:52] } 45. Bb3 { [%eval -5.27] [%clk 0:01:29] } 45... c2?? { [%eval -0.14] } { Blunder. Kd6 was best. } { [%clk 0:14:13] } 46. Kd2 { [%eval -0.14] [%clk 0:01:35] } 46... Kd4 { [%eval -0.13] [%clk 0:14:32] } 47. Kc1 { [%eval -0.12] [%clk 0:01:20] } 47... Kc3 { [%eval -0.23] [%clk 0:02:56] } 48. Ba4 { [%eval -0.18] [%clk 0:01:47] } 48... Kc4 { [%eval -0.1] [%clk 0:02:39] } 49. Bb3+ { [%eval -0.16] [%clk 0:01:56] } 49... Kd4 { [%eval -0.1] [%clk 0:02:35] } 50. Kd2 { [%eval -0.14] [%clk 0:01:55] } 50... Kc5 { [%eval -0.13] [%clk 0:00:55] } 51. Kc1 { [%eval -0.23] [%clk 0:02:06] } 51... Kb5 { [%eval -0.17] [%clk 0:00:42] } 52. Kd2 { [%eval -0.15] [%clk 0:02:04] } 52... Kc5 { [%eval -0.14] [%clk 0:00:49] } 53. Kc1 { [%eval -0.17] [%clk 0:02:29] } 53... Nc4 { [%eval -0.14] [%clk 0:00:51] } 54. Kxc2 { [%eval -0.27] [%clk 0:01:58] } 54... Na5 { [%eval -0.1] [%clk 0:00:59] } 55. d6 { [%eval -0.11] [%clk 0:00:34] } 55... Kxd6 { [%eval -0.16] [%clk 0:00:40] } 56. Bf7 { [%eval -0.11] [%clk 0:01:02] } 56... Kc5 { [%eval -0.12] [%clk 0:00:36] } 57. Be6 { [%eval -0.33] [%clk 0:00:38] } 57... Nc6 { [%eval -0.13] [%clk 0:00:52] } 58. Kb2 { [%eval -0.32] [%clk 0:00:57] } 58... Nd4 { [%eval -0.14] [%clk 0:01:11] } 59. Bg4 { [%eval -0.15] [%clk 0:00:36] } 59... Nb5 { [%eval -0.08] [%clk 0:01:13] } 60. Be6 { [%eval -0.07] [%clk 0:00:55] } 60... Kd6 { [%eval -0.13] [%clk 0:01:22] } 61. Bc4 { [%eval -0.1] [%clk 0:01:15] } 61... Na3 { [%eval -0.07] [%clk 0:01:21] } 62. Bd3 { [%eval -0.14] [%clk 0:01:43] } 62... Kc5 { [%eval -0.04] [%clk 0:01:23] } 63. Kb3 { [%eval -0.08] [%clk 0:02:03] } 63... e5 { [%eval -0.03] [%clk 0:01:18] } 64. Bg6 { [%eval -0.05] [%clk 0:01:55] } 64... Nc4 { [%eval -0.14] [%clk 0:00:57] } 65. Bh7 { [%eval -0.06] [%clk 0:01:46] } 65... Nd2+ { [%eval -0.08] [%clk 0:00:34] } 66. Kc2 { [%eval -0.15] [%clk 0:01:58] } 66... Nc4 { [%eval -0.13] [%clk 0:00:40] } 67. Kb3 { [%eval -0.06] [%clk 0:02:26] } 67... Nd2+ { [%eval -0.08] [%clk 0:00:39] } 68. Kc2 { [%eval -0.13] [%clk 0:02:55] } 68... Nf3 { [%eval -0.03] [%clk 0:00:58] } 69. Kb2 { [%eval 0.0] [%clk 0:03:08] } 69... Nd4 { [%eval -0.16] [%clk 0:00:32] } 70. a3 { [%eval -0.06] [%clk 0:03:16] } 70... bxa3+ { [%eval -0.08] [%clk 0:00:32] } 71. Kxa3 { [%eval -0.08] [%clk 0:03:44] } 1/2-1/2