Event: South African Chess Open
Site: South Africa
Date: 2025-06-28
White: Pitschka, Claus
WhiteTitle: FM
WhiteElo: 2138
Black: Oatlhotse, Providence
BlackTitle: IM
BlackElo: 2241
Result: 0-1
ECO: A45
Opening: Indian Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:16:03] } 2. Bf4 { [%eval 0.0] [%clk 1:27:55] } 2... d5 { [%eval 0.05] [%clk 1:11:47] } 3. e3 { [%eval 0.04] [%clk 1:26:44] } 3... c5 { [%eval 0.0] [%clk 1:11:13] } 4. c3 { [%eval 0.0] [%clk 1:27:04] } 4... Nc6 { [%eval 0.0] [%clk 1:11:28] } 5. Nd2 { [%eval 0.0] [%clk 1:27:09] } 5... cxd4 { [%eval 0.17] [%clk 1:08:33] } 6. exd4 { [%eval 0.1] [%clk 1:27:07] } 6... Bf5 { [%eval 0.1] [%clk 1:09:01] } 7. Ngf3 { [%eval 0.11] [%clk 1:24:02] } 7... e6 { [%eval 0.06] [%clk 1:04:17] } 8. Nh4 { [%eval 0.04] [%clk 1:19:24] } 8... Bg4 { [%eval 0.13] [%clk 1:03:38] } 9. Qb3 { [%eval -0.21] [%clk 1:18:57] } 9... Bd6 { [%eval -0.17] [%clk 1:04:00] } 10. Bxd6 { [%eval -0.2] [%clk 1:13:54] } 10... Qxd6 { [%eval -0.2] [%clk 1:01:08] } 11. h3 { [%eval -0.12] [%clk 1:08:48] } 11... Bh5 { [%eval -0.09] [%clk 1:01:18] } 12. Bb5 { [%eval -0.23] [%clk 1:05:51] } 12... O-O { [%eval -0.29] [%clk 1:01:17] } 13. g4 { [%eval -0.49] [%clk 1:01:11] } 13... Bg6 { [%eval -0.47] [%clk 1:01:22] } 14. Nxg6 { [%eval -0.49] [%clk 1:01:35] } 14... hxg6 { [%eval -0.63] [%clk 1:01:41] } 15. Nf3 { [%eval -0.76] [%clk 1:00:37] } 15... Qf4 { [%eval -0.47] [%clk 0:59:30] } 16. Qd1 { [%eval -0.37] [%clk 1:00:24] } 16... Ne4 { [%eval -0.18] [%clk 0:54:59] } 17. O-O?? { [%eval -2.18] } { Blunder. Qe2 was best. } { [%clk 0:57:36] } 17... f5 { [%eval -2.25] [%clk 0:53:56] } 18. Bxc6?! { [%eval -3.1] } { Inaccuracy. g5 was best. } { [%clk 0:56:15] } 18... fxg4 { [%eval -2.97] [%clk 0:50:41] } 19. Bd7? { [%eval -5.25] } { Mistake. Ne5 was best. } { [%clk 0:44:24] } 19... gxf3 { [%eval -5.35] [%clk 0:47:14] } 20. Bxe6+ { [%eval -5.1] [%clk 0:44:46] } 20... Kh7 { [%eval -5.13] [%clk 0:47:02] } 21. Qc1 { [%eval -5.64] [%clk 0:44:39] } 21... Nd2 { [%eval -5.23] [%clk 0:44:24] } 22. Rd1?? { [%eval #-13] } { Checkmate is now unavoidable. Bg4 was best. } { [%clk 0:33:34] } 22... Qg5+ { [%eval #-12] [%clk 0:44:28] } 23. Bg4 { [%eval #-12] [%clk 0:33:54] } 23... Rf4 { [%eval #-11] [%clk 0:44:53] } 24. Rxd2 { [%eval #-11] [%clk 0:29:43] } 24... Rxg4+ { [%eval #-10] [%clk 0:45:11] } 25. Kh1 { [%eval #-12] [%clk 0:27:41] } 25... Qh4? { [%eval -9.79] } { Lost forced checkmate sequence. Qh6 was best. } { [%clk 0:44:59] } 0-1