Event: National Chess Championships 2025
Site: https://lichess.org/broadcast/trinidad-and-tobago-championships-2025--open/round-4/gGeEUqTD/yXrsjyyh
Date: 2025-09-20
White: Harper, Ryan
WhiteTitle: FM
WhiteElo: 2096
Black: Medina, Joshua
BlackTitle: CM
BlackElo: 1965
Result: 1-0
ECO: B91
Opening: Sicilian Defense: Najdorf Variation, Zagreb Variation
Variant: Standard
TimeControl: 90 minutes + 30 seconds

1. e4 { [%eval 0.18] [%clk 1:20:13] } 1... c5 { [%eval 0.24] [%clk 1:30:52] } 2. Nf3 { [%eval 0.2] [%clk 1:20:38] } 2... d6 { [%eval 0.31] [%clk 1:31:16] } 3. d4 { [%eval 0.22] [%clk 1:21:05] } 3... cxd4 { [%eval 0.19] [%clk 1:31:39] } 4. Nxd4 { [%eval 0.18] [%clk 1:21:31] } 4... Nf6 { [%eval 0.31] [%clk 1:32:03] } 5. Nc3 { [%eval 0.32] [%clk 1:21:58] } 5... a6 { [%eval 0.25] [%clk 1:32:20] } 6. g3 { [%eval 0.08] [%clk 1:21:26] } 6... e5 { [%eval 0.04] [%clk 1:32:18] } 7. Nb3 { [%eval 0.08] [%clk 1:21:20] } 7... Be6 { [%eval 0.27] [%clk 1:30:53] } 8. Bg2 { [%eval 0.26] [%clk 1:21:38] } 8... Be7 { [%eval 0.25] [%clk 1:25:03] } 9. h3 { [%eval 0.06] [%clk 1:21:06] } 9... h5 { [%eval 0.2] [%clk 1:14:09] } 10. Be3 { [%eval 0.22] [%clk 1:20:47] } 10... Nbd7 { [%eval 0.28] [%clk 1:13:39] } 11. Nd5 { [%eval -0.24] [%clk 0:57:32] } 11... Nxd5 { [%eval -0.26] [%clk 1:08:40] } 12. exd5 { [%eval -0.32] [%clk 0:57:51] } 12... Bf5 { [%eval -0.25] [%clk 1:09:04] } 13. Qd2 { [%eval -0.33] [%clk 0:35:40] } 13... Rc8 { [%eval -0.41] [%clk 0:48:16] } 14. Rc1 { [%eval -0.35] [%clk 0:35:48] } 14... Nb6?! { [%eval 0.48] } { Inaccuracy. Nf6 was best. } { [%clk 0:39:44] } 15. Na5 { [%eval 0.45] [%clk 0:35:08] } 15... Nc4 { [%eval 0.49] [%clk 0:35:14] } 16. Nxc4 { [%eval 0.6] [%clk 0:35:23] } 16... Rxc4 { [%eval 0.59] [%clk 0:35:29] } 17. b3 { [%eval 0.55] [%clk 0:35:45] } 17... Rc8 { [%eval 0.51] [%clk 0:35:37] } 18. O-O { [%eval 0.56] [%clk 0:33:26] } 18... O-O { [%eval 0.46] [%clk 0:24:47] } 19. c4 { [%eval 0.46] [%clk 0:32:38] } 19... b5 { [%eval 0.52] [%clk 0:22:34] } 20. cxb5 { [%eval 0.59] [%clk 0:26:01] } 20... axb5 { [%eval 0.64] [%clk 0:22:35] } 21. Qb4?! { [%eval 0.0] } { Inaccuracy. Rc6 was best. } { [%clk 0:26:11] } 21... Qd7?! { [%eval 0.56] } { Inaccuracy. Ra8 was best. } { [%clk 0:22:32] } 22. Kh2 { [%eval 0.05] [%clk 0:26:25] } 22... Bd3 { [%eval 0.48] [%clk 0:13:50] } 23. Rfd1 { [%eval 0.01] [%clk 0:16:12] } 23... Rc5?? { [%eval 3.87] } { Blunder. Rxc1 was best. } { [%clk 0:14:09] } 24. Rxc5?? { [%eval -0.05] } { Blunder. Rxd3 was best. } { [%clk 0:16:36] } 24... Rc8 { [%eval -0.01] [%clk 0:14:09] } 25. Rc6?? { [%eval -5.22] } { Blunder. Qxc3 was best. } 25... f5 { [%eval -5.0] [%clk 0:14:09] } 26. Qc3 { [%eval -10.05] [%clk 0:16:36] } 26... Rxc6 { [%clk 0:14:09] } 27. dxc6 { [%clk 0:16:36] } 1-0