Event: South African Chess Open
Site: South Africa
Date: 2025-06-28
White: Pitschka, Claus
WhiteTitle: FM
WhiteElo: 2138
Black: Potgieter, Edward
BlackElo: 1880
Result: 1-0
ECO: D02
Opening: Queen's Pawn Game: Symmetrical Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:29:54] } 1... Nf6 { [%eval 0.19] [%clk 1:30:52] } 2. Nf3 { [%eval 0.11] [%clk 1:30:08] } 2... d5 { [%eval 0.11] [%clk 1:31:17] } 3. c3 { [%eval 0.0] [%clk 1:30:31] } 3... e6 { [%eval 0.0] [%clk 1:31:20] } 4. Bf4 { [%eval 0.0] [%clk 1:30:51] } 4... Bd6 { [%eval 0.0] [%clk 1:31:41] } 5. e3 { [%eval 0.0] [%clk 1:31:06] } 5... c5 { [%eval 0.06] [%clk 1:25:10] } 6. Nbd2 { [%eval 0.0] [%clk 1:27:34] } 6... Nc6 { [%eval 0.17] [%clk 1:23:30] } 7. Bg3 { [%eval 0.14] [%clk 1:24:32] } 7... Ne7 { [%eval 0.67] [%clk 1:11:34] } 8. Bd3 { [%eval 0.3] [%clk 1:23:16] } 8... c4 { [%eval 0.34] [%clk 1:09:57] } 9. Bc2 { [%eval 0.33] [%clk 1:23:23] } 9... Ng6?! { [%eval 1.37] } { Inaccuracy. b5 was best. } { [%clk 1:01:44] } 10. e4?! { [%eval 0.46] } { Inaccuracy. Ba4+ was best. } { [%clk 1:20:40] } 10... Be7? { [%eval 1.59] } { Mistake. Nxe4 was best. } { [%clk 0:56:06] } 11. e5 { [%eval 1.06] [%clk 1:14:40] } 11... Nh5 { [%eval 1.18] [%clk 0:55:06] } 12. Ng1 { [%eval 0.81] [%clk 1:14:20] } 12... Ngf4 { [%eval 1.24] [%clk 0:38:58] } 13. Qg4 { [%eval 1.47] [%clk 1:04:08] } 13... Bg5 { [%eval 1.46] [%clk 0:32:43] } 14. Bxf4 { [%eval 1.36] [%clk 0:56:32] } 14... Nxf4 { [%eval 1.22] [%clk 0:33:04] } 15. h4 { [%eval 1.11] [%clk 0:50:25] } 15... Bh6 { [%eval 1.08] [%clk 0:31:23] } 16. h5?! { [%eval 0.23] } { Inaccuracy. g3 was best. } { [%clk 0:46:31] } 16... Qb6 { [%eval 0.49] [%clk 0:28:10] } 17. O-O-O { [%eval 0.66] [%clk 0:44:00] } 17... Bd7 { [%eval 0.55] [%clk 0:27:00] } 18. g3 { [%eval 0.57] [%clk 0:40:48] } 18... Nd3+ { [%eval 0.6] [%clk 0:26:28] } 19. Bxd3 { [%eval 0.44] [%clk 0:41:06] } 19... cxd3 { [%eval 0.45] [%clk 0:26:32] } 20. f4 { [%eval 0.43] [%clk 0:40:55] } 20... Qa5? { [%eval 1.62] } { Mistake. Ba4 was best. } { [%clk 0:24:39] } 21. Kb1 { [%eval 1.7] [%clk 0:39:55] } 21... Ba4 { [%eval 1.59] [%clk 0:24:45] } 22. Nb3 { [%eval 1.53] [%clk 0:38:29] } 22... Qb5 { [%eval 1.65] [%clk 0:24:14] } 23. Qf3 { [%eval 1.51] [%clk 0:32:55] } 23... Bxb3 { [%eval 1.49] [%clk 0:24:06] } 24. axb3 { [%eval 1.59] [%clk 0:33:16] } 24... Qxb3 { [%eval 1.58] [%clk 0:24:27] } 25. Qxd3 { [%eval 1.54] [%clk 0:33:37] } 25... b5?! { [%eval 2.33] } { Inaccuracy. g5 was best. } { [%clk 0:21:50] } 26. Ne2 { [%eval 2.18] [%clk 0:31:54] } 26... Kd7 { [%eval 2.42] [%clk 0:19:54] } 27. g4 { [%eval 2.54] [%clk 0:31:21] } 27... g6 { [%eval 2.51] [%clk 0:19:26] } 28. hxg6 { [%eval 2.27] [%clk 0:30:23] } 28... hxg6 { [%eval 2.1] [%clk 0:19:49] } 29. f5 { [%eval 2.07] [%clk 0:30:33] } 29... Rag8 { [%eval 2.17] [%clk 0:17:55] } 30. fxe6+?! { [%eval 1.33] } { Inaccuracy. Qf3 was best. } { [%clk 0:29:46] } 30... fxe6 { [%eval 1.3] [%clk 0:18:15] } 31. Rdf1 { [%eval 1.2] [%clk 0:29:06] } 31... Bf8?? { [%eval 3.96] } { Blunder. a5 was best. } { [%clk 0:17:15] } 32. Nc1?! { [%eval 2.96] } { Inaccuracy. Rxh8 was best. } { [%clk 0:26:54] } 32... Qc4 { [%eval 3.09] [%clk 0:15:24] } 33. Rxh8 { [%eval 2.92] [%clk 0:24:06] } 33... Rxh8?! { [%eval 3.93] } { Inaccuracy. Qxd3+ was best. } { [%clk 0:14:56] } 34. Rf7+ { [%eval 3.79] [%clk 0:23:16] } 34... Be7 { [%eval 3.59] [%clk 0:15:11] } 35. Qxg6 { [%eval 2.88] [%clk 0:22:48] } 35... Rh1?? { [%eval 6.8] } { Blunder. Re8 was best. } { [%clk 0:13:59] } 36. Qg5 { [%eval 6.41] [%clk 0:22:46] } 36... Qd3+?? { [%eval #9] } { Checkmate is now unavoidable. Rxc1+ was best. } { [%clk 0:12:59] } 37. Ka2 { [%eval #8] [%clk 0:18:53] } 37... Qc4+ { [%eval #8] [%clk 0:13:09] } 38. b3 { [%eval #7] [%clk 0:18:41] } 38... Rh2+ { [%eval #7] [%clk 0:13:34] } 39. Kb1 { [%eval #6] [%clk 0:19:01] } 1-0