Event: Round 5: Mamani Santana, Cesar - Le, Duc Khai
Site: https://lichess.org/broadcast/campeonato-norteamericano-de-ajedrez-escolar-tijuana-mexico-2025/round-5/74Mm6Hcr/Z5IZ5fyc
Date: 2025-11-02
White: Mamani Santana, Cesar
Black: Le, Duc Khai
BlackElo: 1517
Result: 0-1
ECO: B70
Opening: Sicilian Defense: Dragon Variation
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:56] } 1... c5 { [%eval 0.24] [%clk 1:00:53] } 2. Nf3 { [%eval 0.2] [%clk 1:01:11] } 2... d6 { [%eval 0.31] [%clk 1:01:18] } 3. Nc3 { [%eval 0.17] [%clk 1:01:25] } 3... Nf6 { [%eval 0.14] [%clk 1:01:38] } 4. d4 { [%eval 0.26] [%clk 1:01:40] } 4... cxd4 { [%eval 0.25] [%clk 1:02:00] } 5. Nxd4 { [%eval 0.32] [%clk 1:01:47] } 5... g6 { [%eval 0.41] [%clk 1:02:01] } 6. h3 { [%eval 0.11] [%clk 1:01:38] } 6... Bg7 { [%eval 0.03] [%clk 1:02:26] } 7. Be3 { [%eval 0.0] [%clk 1:01:37] } 7... O-O { [%eval 0.07] [%clk 1:02:45] } 8. Qd2 { [%eval 0.19] [%clk 1:01:44] } 8... Nc6 { [%eval 0.22] [%clk 1:03:07] } 9. Bc4 { [%eval 0.0] [%clk 1:01:38] } 9... Bd7 { [%eval 0.23] [%clk 1:03:26] } 10. O-O { [%eval 0.07] [%clk 1:01:31] } 10... Rc8 { [%eval 0.11] [%clk 1:03:45] } 11. Rfe1?? { [%eval -3.82] } { Blunder. Bb3 was best. } { [%clk 1:01:34] } 11... Nxd4 { [%eval -3.67] [%clk 1:02:00] } 12. Qxd4 { [%eval -3.48] [%clk 1:01:47] } 12... Ng4 { [%clk 1:02:00] } 13. Qd2 { [%clk 0:57:10] } 13... Ne5 { [%clk 1:03:58] } 14. Qe2 { [%clk 1:01:04] } 14... Nxc4 { [%clk 1:03:58] } 15. b3 { [%clk 1:01:04] } 15... Nxe3 { [%clk 1:03:58] } 16. Qxe3 { [%clk 1:01:04] } 16... Bxc3 { [%clk 1:05:38] } 17. Qe2 { [%clk 0:58:46] } 17... Bxa1 { [%clk 1:05:25] } 18. Rxa1 { [%clk 0:59:05] } 18... Qc7 { [%clk 1:05:50] } 19. Rc1 { [%clk 0:58:39] } 19... Qa5 { [%clk 1:02:26] } 20. c3 { [%clk 0:55:56] } 20... Rxc3 { [%clk 1:05:51] } 21. Rxc3 { [%clk 0:56:01] } 21... Qxc3 { [%clk 1:04:55] } 22. f4 { [%clk 0:55:11] } 22... Qc1+ { [%clk 1:06:37] } 23. Kf2 { [%clk 0:55:25] } 23... Rc8 { [%clk 1:06:56] } 24. Qd3 { [%clk 0:54:37] } 24... Qxf4+ { [%clk 1:07:15] } 25. Ke2 { [%clk 0:54:20] } 25... Bb5 { [%clk 1:07:12] } 26. Qxb5 { [%clk 0:53:48] } 26... Rc2+ { [%clk 1:07:32] } 27. Kd3 { [%clk 0:54:07] } 27... Qd2# { [%clk 1:07:55] } 0-1