Event: Ronda 9: Obregon Rivero, Juan Carlos - Duarte Barahona, Raul Alejandro
Date: 2025-04-19
White: Obregon Rivero, Juan Carlos
WhiteTitle: GM
WhiteElo: 2485
Black: Duarte Barahona, Raul Alejandro
BlackTitle: CM
BlackElo: 2256
Result: 1-0
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:26:43] } 1... Nf6 { [%eval 0.14] [%clk 1:30:23] } 2. Nc3 { [%eval 0.12] [%clk 1:27:06] } 2... g6 { [%eval 0.41] [%clk 1:29:39] } 3. e4 { [%eval 0.31] [%clk 1:27:30] } 3... d6 { [%eval 0.45] [%clk 1:29:35] } 4. d4 { [%eval 0.46] [%clk 1:27:55] } 4... Bg7 { [%eval 0.48] [%clk 1:29:45] } 5. Be2 { [%eval 0.51] [%clk 1:28:19] } 5... O-O { [%eval 0.48] [%clk 1:25:47] } 6. Be3 { [%eval 0.44] [%clk 1:28:44] } 6... e5 { [%eval 0.61] [%clk 1:24:35] } 7. d5 { [%eval 0.53] [%clk 1:29:12] } 7... c6 { [%eval 0.71] [%clk 1:17:24] } 8. h3 { [%eval 0.55] [%clk 1:29:06] } 8... Na6 { [%eval 0.65] [%clk 0:54:42] } 9. Nf3 { [%eval 0.66] [%clk 1:29:27] } 9... Nc5 { [%eval 0.66] [%clk 0:53:08] } 10. Nd2 { [%eval 0.71] [%clk 1:29:40] } 10... a5 { [%eval 0.83] [%clk 0:52:40] } 11. O-O { [%eval 0.74] [%clk 1:29:46] } 11... Nfd7 { [%eval 0.73] [%clk 0:48:48] } 12. Nb3 { [%eval 0.69] [%clk 1:22:06] } 12... Qe7 { [%eval 1.09] [%clk 0:42:26] } 13. Nxc5 { [%eval 1.03] [%clk 1:18:20] } 13... Nxc5 { [%eval 1.03] [%clk 0:41:06] } 14. Qd2 { [%eval 1.03] [%clk 1:13:10] } 14... cxd5 { [%eval 1.54] [%clk 0:26:50] } 15. Nxd5 { [%eval 1.64] [%clk 1:12:14] } 15... Qd8 { [%eval 1.69] [%clk 0:23:20] } 16. Nc3 { [%eval 1.67] [%clk 1:11:43] } 16... Ne6 { [%eval 1.69] [%clk 0:19:25] } 17. Rad1 { [%eval 1.66] [%clk 1:09:02] } 17... Qh4 { [%eval 1.75] [%clk 0:17:17] } 18. Qxd6 { [%eval 1.38] [%clk 1:07:11] } 18... Ra6?! { [%eval 2.19] } { Inaccuracy. Nd4 was best. } { [%clk 0:11:49] } 19. Qa3?! { [%eval 1.52] } { Inaccuracy. Qd2 was best. } { [%clk 1:07:39] } 19... f5 { [%eval 2.05] [%clk 0:09:59] } 20. f3 { [%eval 2.04] [%clk 0:52:33] } 20... f4?! { [%eval 2.73] } { Inaccuracy. Nd4 was best. } { [%clk 0:07:18] } 21. Bf2 { [%eval 2.82] [%clk 0:52:25] } 21... Qg5 { [%eval 2.55] [%clk 0:07:40] } 22. h4 { [%eval 1.97] [%clk 0:46:17] } 22... Qh5 { [%eval 1.8] [%clk 0:06:55] } 23. c5 { [%eval 1.79] [%clk 0:46:06] } 23... Nd4? { [%eval 3.61] } { Mistake. Rc6 was best. } { [%clk 0:06:29] } 24. Rxd4 { [%eval 3.63] [%clk 0:44:36] } 24... exd4 { [%eval 3.6] [%clk 0:06:51] } 25. Bxa6 { [%eval 3.6] [%clk 0:44:45] } 25... dxc3 { [%eval 4.29] [%clk 0:02:04] } 26. Bc4+ { [%eval 4.23] [%clk 0:43:52] } 26... Kh8 { [%eval 4.25] [%clk 0:02:32] } 27. bxc3 { [%eval 4.23] [%clk 0:43:41] } 27... g5 { [%eval 3.92] [%clk 0:02:19] } 28. hxg5 { [%eval 3.75] [%clk 0:43:34] } 28... Qxg5 { [%eval 3.78] [%clk 0:02:45] } 29. Bd4 { [%eval 4.01] [%clk 0:43:42] } 29... Bh3 { [%eval 4.51] [%clk 0:02:02] } 30. Rf2 { [%eval 4.37] [%clk 0:44:09] } 30... Rd8 { [%eval 4.51] [%clk 0:01:15] } 31. Bd5 { [%eval 4.43] [%clk 0:44:02] } 31... Re8 { [%eval 4.92] [%clk 0:00:33] } 32. Qxa5 { [%eval 4.57] [%clk 0:42:41] } 32... Qg3 { [%eval 5.29] [%clk 0:00:43] } 33. Qb5 { [%eval 5.42] [%clk 0:41:55] } 33... Re7 { [%eval 5.58] [%clk 0:00:53] } 34. Qb6 { [%eval 5.46] [%clk 0:40:37] } 34... Rd7?! { [%eval 7.26] } { Inaccuracy. Re8 was best. } { [%clk 0:00:47] } 35. c6 { [%eval 6.94] [%clk 0:40:15] } 35... bxc6?? { [%eval #2] } { Checkmate is now unavoidable. Rd6 was best. } { [%clk 0:00:33] } 36. Qb8+ { [%eval #1] [%clk 0:40:33] } 1-0