Event: Round 8: Cordoba Roa, Angel Gabriel - Barrientos, Sergio E
Date: 2024-10-14
White: Cordoba Roa, Angel Gabriel
WhiteTitle: FM
WhiteElo: 2332
Black: Barrientos, Sergio E
BlackTitle: GM
BlackElo: 2412
Result: 0-1
ECO: B42
Opening: Sicilian Defense: Kan Variation, Polugaevsky Variation
Variant: Standard

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] [%clk 1:26:26] } 2. Nf3 { [%eval 0.28] [%clk 1:30:20] } 2... e6 { [%eval 0.28] [%clk 1:26:52] } 3. d4 { [%eval 0.4] [%clk 1:30:35] } 3... cxd4 { [%eval 0.37] [%clk 1:27:12] } 4. Nxd4 { [%eval 0.23] [%clk 1:30:53] } 4... a6 { [%eval 0.42] [%clk 1:27:36] } 5. Bd3 { [%eval 0.45] [%clk 1:31:07] } 5... Bc5 { [%eval 0.36] [%clk 1:28:01] } 6. Nb3 { [%eval 0.34] [%clk 1:31:19] } 6... Be7 { [%eval 0.58] [%clk 1:28:29] } 7. Qg4 { [%eval 0.49] [%clk 1:31:31] } 7... g6 { [%eval 0.58] [%clk 1:28:51] } 8. Qe2 { [%eval 0.5] [%clk 1:31:47] } 8... d6 { [%eval 0.7] [%clk 1:28:08] } 9. a4 { [%eval 0.57] [%clk 1:31:32] } 9... b6 { [%eval 0.83] [%clk 1:27:07] } 10. Na3 { [%eval 0.75] [%clk 1:30:23] } 10... Nd7 { [%eval 0.7] [%clk 1:26:48] } 11. Nc4 { [%eval 0.86] [%clk 1:28:14] } 11... Bb7 { [%eval 0.66] [%clk 1:27:01] } 12. O-O { [%eval 0.98] [%clk 1:26:40] } 12... Qc7 { [%eval 1.31] [%clk 1:27:18] } 13. a5 { [%eval 1.35] [%clk 1:22:07] } 13... b5 { [%eval 1.31] [%clk 1:23:59] } 14. Nb6 { [%eval 1.15] [%clk 1:22:28] } 14... Nxb6 { [%eval 1.2] [%clk 1:20:44] } 15. axb6 { [%eval 1.17] [%clk 1:22:20] } 15... Qxb6 { [%eval 1.21] [%clk 1:21:09] } 16. Na5 { [%eval 0.73] [%clk 1:22:16] } 16... Nf6 { [%eval 0.85] [%clk 1:09:48] } 17. Be3 { [%eval 0.81] [%clk 1:06:18] } 17... Qc7 { [%eval 0.64] [%clk 1:10:13] } 18. c4?! { [%eval -0.22] } { Inaccuracy. Bh6 was best. } { [%clk 0:58:06] } 18... O-O { [%eval 0.13] [%clk 1:06:01] } 19. Rfc1 { [%eval 0.0] [%clk 0:51:01] } 19... Qb8 { [%eval 0.01] [%clk 0:59:31] } 20. cxb5 { [%eval 0.06] [%clk 0:50:43] } 20... axb5 { [%eval 0.02] [%clk 0:59:50] } 21. f3 { [%eval -0.17] [%clk 0:38:38] } 21... b4 { [%eval -0.06] [%clk 0:53:23] } 22. Bb5 { [%eval -0.11] [%clk 0:29:48] } 22... Bd8 { [%eval 0.0] [%clk 0:40:32] } 23. Nxb7 { [%eval 0.0] [%clk 0:28:57] } 23... Rxa1 { [%eval 0.0] [%clk 0:40:50] } 24. Rxa1 { [%eval 0.0] [%clk 0:29:17] } 24... Qxb7 { [%eval 0.0] [%clk 0:41:16] } 25. Ra6 { [%eval 0.0] [%clk 0:28:42] } 25... Qb8 { [%eval 0.0] [%clk 0:31:42] } 26. Bc6 { [%eval 0.0] [%clk 0:18:20] } 26... d5 { [%eval 0.21] [%clk 0:23:47] } 27. Bc5 { [%eval 0.14] [%clk 0:14:12] } 27... dxe4 { [%eval 0.21] [%clk 0:24:12] } 28. Bxf8 { [%eval 0.0] [%clk 0:14:29] } 28... Kxf8 { [%eval 0.0] [%clk 0:21:25] } 29. Bxe4 { [%eval 0.0] [%clk 0:13:00] } 29... Kg7 { [%eval 0.09] [%clk 0:21:04] } 30. g3 { [%eval 0.11] [%clk 0:09:18] } 30... Qe5 { [%eval 0.15] [%clk 0:19:58] } 31. Rc6 { [%eval 0.07] [%clk 0:08:38] } 31... h5 { [%eval 0.14] [%clk 0:19:32] } 32. Kg2 { [%eval 0.19] [%clk 0:07:31] } 32... Be7 { [%eval 0.19] [%clk 0:15:05] } 33. Rc4 { [%eval 0.28] [%clk 0:07:13] } 33... Qb5 { [%eval 0.3] [%clk 0:11:40] } 34. Rc2 { [%eval 0.26] [%clk 0:03:19] } 34... Qb6 { [%eval 0.29] [%clk 0:11:57] } 35. Qc4 { [%eval 0.2] [%clk 0:03:18] } 35... Bd6 { [%eval 0.41] [%clk 0:09:30] } 36. Re2 { [%eval 0.09] [%clk 0:01:00] } 36... Bb8 { [%eval 0.09] [%clk 0:09:26] } 37. Qc6 { [%eval 0.15] [%clk 0:00:48] } 37... Qd4 { [%eval 0.0] [%clk 0:09:32] } 38. Qc1 { [%eval 0.1] [%clk 0:00:41] } 38... Ba7 { [%eval 0.05] [%clk 0:09:18] } 39. Ba8 { [%eval -0.13] [%clk 0:01:01] } 39... Bb6 { [%eval 0.08] [%clk 0:07:27] } 40. Qe1 { [%eval -0.01] [%clk 0:01:20] } 40... Qc5 { [%eval 0.0] [%clk 0:07:11] } 41. Be4 { [%eval -0.11] [%clk 0:00:53] } 41... Qc4 { [%eval 0.11] [%clk 0:07:17] } 42. Qd1 { [%eval 0.0] [%clk 0:00:43] } 42... Qb5 { [%eval 0.09] [%clk 0:06:27] } 43. Qe1 { [%eval -0.1] [%clk 0:00:39] } 43... Bd4 { [%eval 0.07] [%clk 0:06:47] } 44. b3?! { [%eval -0.53] } { Inaccuracy. Rd2 was best. } { [%clk 0:00:40] } 44... e5 { [%eval 0.0] [%clk 0:06:21] } 45. Qd1 { [%eval -0.39] [%clk 0:01:00] } 45... Qa6?! { [%eval 0.23] } { Inaccuracy. h4 was best. } { [%clk 0:05:55] } 46. Bd3 { [%eval 0.0] [%clk 0:01:19] } 46... Qc6 { [%eval 0.09] [%clk 0:06:08] } 47. Be4 { [%eval 0.06] [%clk 0:01:36] } 47... Qe6 { [%eval 0.19] [%clk 0:06:29] } 48. f4 { [%eval 0.0] [%clk 0:00:51] } 48... h4 { [%eval 0.0] [%clk 0:05:19] } 49. fxe5 { [%eval 0.0] [%clk 0:00:59] } 49... h3+ { [%eval 0.0] [%clk 0:05:45] } 50. Kh1 { [%eval 0.0] [%clk 0:01:24] } 50... Qxe5 { [%eval -0.06] [%clk 0:05:54] } 51. Bb7?! { [%eval -0.79] } { Inaccuracy. Bf3 was best. } { [%clk 0:00:54] } 51... Qf5?! { [%eval 0.0] } { Inaccuracy. Ng4 was best. } { [%clk 0:05:26] } 52. Ra2?? { [%eval -1.75] } { Blunder. Re1 was best. } { [%clk 0:00:44] } 52... Bb6? { [%eval -0.5] } { Mistake. Be3 was best. } { [%clk 0:05:00] } 53. Bf3 { [%eval -0.55] [%clk 0:00:43] } 53... Ne4 { [%eval -0.5] [%clk 0:03:51] } 54. Bg4 { [%eval -0.36] [%clk 0:00:46] } 54... Qf6 { [%eval -0.41] [%clk 0:02:49] } 55. Rc2 { [%eval -0.39] [%clk 0:00:34] } 55... Ng5 { [%eval -0.57] [%clk 0:02:35] } 56. Ra2?? { [%eval #-7] } { Checkmate is now unavoidable. Bd7 was best. } { [%clk 0:00:35] } 56... Qe5?? { [%eval -5.33] } { Lost forced checkmate sequence. Qc6+ was best. } { [%clk 0:02:48] } 57. Re2 { [%eval -5.17] [%clk 0:00:53] } 57... Qf6 { [%eval -5.28] [%clk 0:02:53] } 58. Ra2?? { [%eval #-7] } { Checkmate is now unavoidable. Rc2 was best. } { [%clk 0:01:08] } 58... Qc6+ { [%eval #-6] [%clk 0:03:17] } 0-1