Event: South African Chess Open
Site: South Africa
Date: 2025-06-29
White: Chigozi, Egeonu
WhiteElo: 2028
Black: Pitschka, Claus
BlackTitle: FM
BlackElo: 2138
Result: 1-0
ECO: D14
Opening: Slav Defense: Exchange Variation, Symmetrical Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... d5 { [%eval 0.2] [%clk 1:30:02] } 2. c4 { [%eval 0.18] [%clk 1:31:23] } 2... c6 { [%eval 0.21] [%clk 1:30:26] } 3. cxd5 { [%eval 0.15] [%clk 1:31:37] } 3... cxd5 { [%eval 0.19] [%clk 1:30:41] } 4. Nc3 { [%eval 0.07] [%clk 1:32:03] } 4... Nf6 { [%eval 0.2] [%clk 1:31:01] } 5. Nf3 { [%eval 0.12] [%clk 1:31:19] } 5... Nc6 { [%eval 0.09] [%clk 1:31:21] } 6. Bf4 { [%eval 0.1] [%clk 1:31:22] } 6... Bf5 { [%eval 0.1] [%clk 1:31:24] } 7. Qb3 { [%eval 0.19] [%clk 1:29:30] } 7... Na5 { [%eval 0.06] [%clk 1:30:52] } 8. Qa4+ { [%eval 0.2] [%clk 1:29:50] } 8... Bd7 { [%eval 0.3] [%clk 1:31:15] } 9. Qd1 { [%eval 0.0] [%clk 1:29:17] } 9... Rc8 { [%eval 0.08] [%clk 1:28:13] } 10. e3 { [%eval 0.07] [%clk 1:28:52] } 10... Nc4?! { [%eval 0.78] } { Inaccuracy. e6 was best. } { [%clk 1:25:38] } 11. Qb3?! { [%eval 0.17] } { Inaccuracy. Bxc4 was best. } { [%clk 1:25:31] } 11... Na5 { [%eval 0.26] [%clk 1:21:20] } 12. Qd1 { [%eval 0.06] [%clk 1:25:59] } 12... e6 { [%eval 0.09] [%clk 1:21:13] } 13. Bd3 { [%eval 0.05] [%clk 1:22:41] } 13... Bb4 { [%eval 0.12] [%clk 1:16:57] } 14. Rc1 { [%eval 0.0] [%clk 1:23:08] } 14... Nc4 { [%eval 0.0] [%clk 1:14:40] } 15. Bxc4 { [%eval -0.1] [%clk 1:22:54] } 15... Rxc4 { [%eval -0.01] [%clk 1:14:47] } 16. Nd2 { [%eval -0.34] [%clk 1:20:57] } 16... Rc6 { [%eval -0.17] [%clk 1:13:15] } 17. O-O { [%eval -0.13] [%clk 1:21:20] } 17... O-O { [%eval -0.26] [%clk 1:13:15] } 18. Ndb1 { [%eval -0.47] [%clk 1:20:07] } 18... Qb6 { [%eval -0.51] [%clk 1:12:21] } 19. Qb3 { [%eval -1.04] [%clk 1:19:39] } 19... Rfc8 { [%eval -0.78] [%clk 1:11:47] } 20. Rcd1?! { [%eval -1.63] } { Inaccuracy. Ne2 was best. } { [%clk 1:18:12] } 20... Be7 { [%eval -1.38] [%clk 1:07:44] } 21. Qxb6 { [%eval -1.36] [%clk 1:05:17] } 21... Rxb6 { [%eval -1.37] [%clk 1:08:01] } 22. Rd2 { [%eval -1.41] [%clk 1:05:45] } 22... Bb5?! { [%eval -0.6] } { Inaccuracy. Nh5 was best. } { [%clk 1:05:30] } 23. Nxb5 { [%eval -0.61] [%clk 1:05:22] } 23... Rxb5 { [%eval -0.6] [%clk 1:05:49] } 24. f3 { [%eval -0.77] [%clk 1:02:17] } 24... Rb6 { [%eval -0.57] [%clk 1:04:54] } 25. Kf2 { [%eval -0.65] [%clk 0:58:07] } 25... Rbc6 { [%eval -0.75] [%clk 1:04:58] } 26. a3 { [%eval -1.25] [%clk 0:58:21] } 26... h6 { [%eval -0.88] [%clk 0:58:35] } 27. Ke2 { [%eval -0.94] [%clk 0:54:25] } 27... b5 { [%eval -0.71] [%clk 0:56:08] } 28. b3? { [%eval -2.09] } { Mistake. Nc3 was best. } { [%clk 0:54:04] } 28... a5 { [%eval -1.68] [%clk 0:54:29] } 29. Kd3 { [%eval -1.82] [%clk 0:53:14] } 29... Kf8?! { [%eval -1.23] } { Inaccuracy. b4 was best. } { [%clk 0:50:27] } 30. g4 { [%eval -1.54] [%clk 0:50:15] } 30... Nd7 { [%eval -1.04] [%clk 0:49:47] } 31. Rg1 { [%eval -1.55] [%clk 0:50:35] } 31... Nb6?! { [%eval -0.87] } { Inaccuracy. g5 was best. } { [%clk 0:48:11] } 32. Rgd1 { [%eval -1.25] [%clk 0:48:22] } 32... a4?! { [%eval -0.56] } { Inaccuracy. Bh4 was best. } { [%clk 0:48:03] } 33. Rb2 { [%eval -0.84] [%clk 0:48:18] } 33... Ke8?! { [%eval -0.27] } { Inaccuracy. Bh4 was best. } { [%clk 0:44:30] } 34. Rh1 { [%eval -0.65] [%clk 0:44:46] } 34... b4 { [%eval -0.26] [%clk 0:35:18] } 35. axb4 { [%eval -0.14] [%clk 0:43:59] } 35... a3 { [%eval -0.24] [%clk 0:35:37] } 36. Nxa3 { [%eval -0.19] [%clk 0:44:12] } 36... Rc3+ { [%eval -0.07] [%clk 0:35:44] } 37. Ke2 { [%eval 0.0] [%clk 0:43:58] } 37... Bxb4 { [%eval 0.0] [%clk 0:35:43] } 38. Ra1 { [%eval -0.15] [%clk 0:30:38] } 38... g5 { [%eval -0.01] [%clk 0:28:17] } 39. Be5 { [%eval -0.08] [%clk 0:31:05] } 39... Ra8 { [%eval 0.0] [%clk 0:27:48] } 40. Rba2 { [%eval 0.0] [%clk 0:31:18] } 40... Rxb3 { [%eval 0.0] [%clk 0:27:06] } 41. Nc2 { [%eval 0.0] [%clk 0:28:32] } 41... Rc8 { [%eval 0.08] [%clk 0:26:17] } 42. Nxb4 { [%eval 0.12] [%clk 0:27:41] } 42... Rxb4 { [%eval 0.13] [%clk 0:26:40] } 43. Bg7 { [%eval 0.23] [%clk 0:28:02] } 43... Rb3 { [%eval 0.63] [%clk 0:25:21] } 44. Bxh6 { [%eval 0.42] [%clk 0:28:29] } 44... f6 { [%eval 0.6] [%clk 0:25:20] } 45. h4?! { [%eval 0.0] } { Inaccuracy. f4 was best. } { [%clk 0:28:14] } 45... Rcc3 { [%eval 0.0] [%clk 0:25:17] } 46. hxg5 { [%eval 0.0] [%clk 0:28:17] } 46... Rxe3+ { [%eval 0.0] [%clk 0:25:14] } 47. Kd1 { [%eval 0.0] [%clk 0:28:29] } 47... Rbd3+ { [%eval -0.03] [%clk 0:21:24] } 48. Rd2 { [%eval 0.0] [%clk 0:25:37] } 48... Rxd2+ { [%eval 0.0] [%clk 0:18:29] } 49. Kxd2 { [%eval 0.0] [%clk 0:26:00] } 49... Nc4+ { [%eval 0.0] [%clk 0:18:53] } 50. Kc2 { [%eval 0.0] [%clk 0:26:00] } 50... Rxf3?? { [%eval 4.65] } { Blunder. Na3+ was best. } { [%clk 0:18:40] } 51. Ra8+ { [%eval 4.18] [%clk 0:25:00] } 51... Kd7 { [%eval 4.38] [%clk 0:18:53] } 52. g6 { [%eval 4.24] [%clk 0:25:19] } 52... Rg3 { [%eval 3.21] [%clk 0:16:29] } 53. g7 { [%eval 3.17] [%clk 0:25:19] } 53... Rxg4 { [%eval 3.19] [%clk 0:18:53] } 1-0