Event: Round 6: Calvin John Klaasen - Edward Potgieter
Date: 2024-01-05
White: Calvin John Klaasen
Black: Edward Potgieter
Result: 1/2-1/2
ECO: E11
Opening: Bogo-Indian Defense: Nimzowitsch Variation
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:30:57] } 1... Nf6 { [%eval 0.17] [%clk 1:30:52] } 2. c4 { [%eval 0.16] [%clk 1:31:23] } 2... e6 { [%eval 0.23] [%clk 1:31:14] } 3. Nf3 { [%eval 0.0] [%clk 1:31:03] } 3... Bb4+ { [%eval 0.43] [%clk 1:31:32] } 4. Bd2 { [%eval 0.21] [%clk 1:31:23] } 4... Qe7 { [%eval 0.54] [%clk 1:31:56] } 5. g3 { [%eval 0.52] [%clk 1:31:05] } 5... Bxd2+ { [%eval 0.4] [%clk 1:32:10] } 6. Qxd2 { [%eval 0.43] [%clk 1:30:50] } 6... Nc6 { [%eval 0.53] [%clk 1:32:30] } 7. Nc3 { [%eval 0.21] [%clk 1:30:38] } 7... d5 { [%eval 0.46] [%clk 1:32:08] } 8. Ne5 { [%eval 0.24] [%clk 1:17:01] } 8... O-O { [%eval 0.19] [%clk 1:23:07] } 9. Bg2 { [%eval 0.31] [%clk 1:03:12] } 9... Rd8 { [%eval 0.55] [%clk 1:19:18] } 10. Nxc6 { [%eval 0.16] [%clk 1:01:57] } 10... bxc6 { [%eval 0.31] [%clk 1:19:14] } 11. cxd5 { [%eval 0.2] [%clk 1:02:05] } 11... cxd5 { [%eval 0.18] [%clk 1:18:40] } 12. Rc1 { [%eval 0.23] [%clk 1:01:55] } 12... Bd7 { [%eval 0.26] [%clk 1:13:41] } 13. O-O { [%eval 0.21] [%clk 1:01:59] } 13... Rab8 { [%eval 0.41] [%clk 1:07:27] } 14. Rfe1 { [%eval 0.22] [%clk 0:50:08] } 14... Bc6 { [%eval 0.53] [%clk 1:03:32] } 15. b3 { [%eval 0.57] [%clk 0:47:27] } 15... h6 { [%eval 0.66] [%clk 0:54:26] } 16. e3 { [%eval 0.56] [%clk 0:46:51] } 16... Rb6 { [%eval 0.75] [%clk 0:48:05] } 17. Rc2 { [%eval 0.51] [%clk 0:46:58] } 17... Qb4 { [%eval 0.62] [%clk 0:38:06] } 18. Rec1 { [%eval 0.53] [%clk 0:45:29] } 18... Rc8? { [%eval 1.92] } { Mistake. a5 was best. } { [%clk 0:35:08] } 19. Ne4 { [%eval 1.98] [%clk 0:29:52] } 19... Qxd2 { [%eval 1.98] [%clk 0:26:00] } 20. Nxd2 { [%eval 1.95] [%clk 0:30:02] } 20... Bb5 { [%eval 1.94] [%clk 0:25:45] } 21. Rxc7 { [%eval 1.76] [%clk 0:30:11] } 21... Rxc7 { [%eval 2.01] [%clk 0:26:09] } 22. Rxc7 { [%eval 1.89] [%clk 0:30:37] } 22... a5 { [%eval 2.09] [%clk 0:25:24] } 23. a4 { [%eval 2.11] [%clk 0:29:28] } 23... Rc6 { [%eval 2.08] [%clk 0:23:21] } 24. Rxc6 { [%eval 2.21] [%clk 0:29:13] } 24... Bxc6 { [%eval 2.08] [%clk 0:23:45] } 25. Bf1 { [%eval 1.91] [%clk 0:27:27] } 25... Kf8 { [%eval 1.84] [%clk 0:23:37] } 26. f3 { [%eval 1.81] [%clk 0:27:31] } 26... Ke7 { [%eval 1.87] [%clk 0:23:45] } 27. Kf2 { [%eval 1.94] [%clk 0:27:55] } 27... g5 { [%eval 1.95] [%clk 0:20:19] } 28. g4 { [%eval 1.43] [%clk 0:26:04] } 28... Ne8 { [%eval 1.66] [%clk 0:19:17] } 29. Nb1 { [%eval 1.41] [%clk 0:24:18] } 29... Nd6 { [%eval 1.5] [%clk 0:18:26] } 30. Nc3 { [%eval 1.33] [%clk 0:24:40] } 30... f6 { [%eval 1.37] [%clk 0:17:52] } 31. f4 { [%eval 1.28] [%clk 0:23:05] } 31... Kf7 { [%eval 1.46] [%clk 0:16:59] } 32. Bd3 { [%eval 1.35] [%clk 0:23:08] } 32... Ke7 { [%eval 1.42] [%clk 0:13:51] } 33. Ne2 { [%eval 1.4] [%clk 0:20:14] } 33... Nf7 { [%eval 1.65] [%clk 0:13:19] } 34. Ke1 { [%eval 1.87] [%clk 0:18:23] } 34... Kd6 { [%eval 2.04] [%clk 0:09:17] } 35. Kd2 { [%eval 2.08] [%clk 0:16:40] } 35... e5?! { [%eval 2.82] } { Inaccuracy. gxf4 was best. } { [%clk 0:09:21] } 36. Bg6 { [%eval 2.39] [%clk 0:15:42] } 36... Nd8 { [%eval 2.25] [%clk 0:08:11] } 37. fxe5+ { [%eval 2.45] [%clk 0:12:55] } 37... fxe5 { [%eval 2.44] [%clk 0:08:33] } 38. Ng3? { [%eval 0.79] } { Mistake. dxe5+ was best. } { [%clk 0:12:41] } 38... exd4?! { [%eval 1.51] } { Inaccuracy. Bd7 was best. } { [%clk 0:08:06] } 39. exd4?! { [%eval 0.84] } { Inaccuracy. Nf5+ was best. } { [%clk 0:13:07] } 39... Ne6?? { [%eval 3.22] } { Blunder. Bd7 was best. } { [%clk 0:08:19] } 40. Ke3? { [%eval 1.68] } { Mistake. Nf5+ was best. } { [%clk 0:12:00] } 40... Nf4 { [%eval 1.7] [%clk 0:08:23] } 41. Bf5 { [%eval 1.37] [%clk 0:09:53] } 41... Ke7 { [%eval 1.48] [%clk 0:08:12] } 42. Kf3 { [%eval 1.39] [%clk 0:05:08] } 42... Kf6 { [%eval 1.58] [%clk 0:08:06] } 43. Ne2? { [%eval 0.38] } { Mistake. Ke3 was best. } { [%clk 0:05:22] } 43... Nxe2 { [%eval 0.47] [%clk 0:06:40] } 44. Kxe2 { [%eval 0.37] [%clk 0:05:51] } 44... Ke7 { [%eval 0.52] [%clk 0:06:58] } 45. Kd2 { [%eval 0.48] [%clk 0:05:53] } 45... Kd6 { [%eval 0.32] [%clk 0:06:58] } 46. Kc3 { [%eval 0.39] [%clk 0:06:18] } 46... Kc7 { [%eval 0.33] [%clk 0:07:17] } 47. b4 { [%eval 0.39] [%clk 0:06:19] } 47... Kb6 { [%eval 0.54] [%clk 0:07:38] } 48. Kb3 { [%eval 0.61] [%clk 0:04:50] } 48... Bb7 { [%eval 0.38] [%clk 0:07:58] } 49. Bd7 { [%eval 0.62] [%clk 0:03:05] } 49... Ba8 { [%eval 0.52] [%clk 0:08:15] } 50. Bc8 { [%eval 0.6] [%clk 0:02:24] } 50... Bc6 { [%eval 0.41] [%clk 0:07:52] } 51. Ka3 { [%eval 0.61] [%clk 0:01:29] } 51... Ba8 { [%eval 0.31] [%clk 0:08:11] } 52. Be6 { [%eval 0.62] [%clk 0:01:07] } 52... Bb7 { [%eval 0.35] [%clk 0:08:21] } 53. b5 { [%eval 0.39] [%clk 0:01:14] } 1/2-1/2