Event: Campeonato Sudamericano Absoluto 2025
Site: https://lichess.org/broadcast/sudamericano-de-ajedrez-rancagua-2025-absoluto/round-5/NMljHeNI/UgdpMJmT
Date: 2025-11-06
White: Requejo Cotrina, Oswaldo Valentin
WhiteTitle: FM
WhiteElo: 2199
Black: Cortes Valdivia, Walter Benjamin
BlackElo: 1688
Result: 1-0
ECO: B27
Opening: Sicilian Defense: Hyperaccelerated Fianchetto
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.24] [%clk 1:30:59] } 2. Nf3 { [%eval 0.2] [%clk 1:31:22] } 2... g6 { [%eval 0.34] [%clk 1:31:22] } 3. d4 { [%eval 0.43] [%clk 1:30:56] } 3... cxd4 { [%eval 0.38] [%clk 1:31:46] } 4. c3 { [%eval 0.0] [%clk 1:30:08] } 4... Bg7 { [%eval 0.5] [%clk 1:32:03] } 5. cxd4 { [%eval 0.48] [%clk 1:30:25] } 5... d5 { [%eval 0.49] [%clk 1:32:32] } 6. exd5 { [%eval 0.0] [%clk 1:30:36] } 6... Nf6 { [%eval 0.0] [%clk 1:31:42] } 7. Nc3 { [%eval -0.03] [%clk 1:31:01] } 7... Nxd5 { [%eval -0.05] [%clk 1:32:07] } 8. Qb3 { [%eval -0.16] [%clk 1:31:23] } 8... Nxc3 { [%eval -0.04] [%clk 1:32:23] } 9. bxc3 { [%eval -0.06] [%clk 1:28:33] } 9... O-O { [%eval -0.11] [%clk 1:29:26] } 10. Bc4 { [%eval -0.41] [%clk 1:26:27] } 10... Nc6 { [%eval -0.36] [%clk 1:27:30] } 11. Ng5 { [%eval -0.71] [%clk 1:13:18] } 11... e6 { [%eval -0.71] [%clk 1:22:41] } 12. O-O { [%eval -0.82] [%clk 1:02:09] } 12... Na5 { [%eval -0.81] [%clk 1:18:22] } 13. Qb4 { [%eval -0.81] [%clk 1:01:47] } 13... Nxc4 { [%eval -0.79] [%clk 1:18:17] } 14. Qxc4 { [%eval -0.85] [%clk 1:02:12] } 14... b6 { [%eval -0.68] [%clk 1:18:08] } 15. Ne4 { [%eval -0.6] [%clk 0:49:21] } 15... Bb7 { [%eval -0.46] [%clk 1:06:38] } 16. Re1?! { [%eval -1.58] } { Inaccuracy. Bg5 was best. } { [%clk 0:45:07] } 16... Rc8 { [%eval -1.55] [%clk 1:06:36] } 17. Qb3 { [%eval -1.45] [%clk 0:44:55] } 17... Bd5 { [%eval -1.54] [%clk 1:00:05] } 18. Qa3 { [%eval -1.57] [%clk 0:41:30] } 18... Qc7 { [%eval -1.46] [%clk 1:00:00] } 19. Bd2 { [%eval -1.44] [%clk 0:38:15] } 19... Bxe4 { [%eval -1.22] [%clk 0:54:10] } 20. Rxe4 { [%eval -1.28] [%clk 0:38:10] } 20... Rfd8 { [%eval -1.32] [%clk 0:54:38] } 21. Rae1 { [%eval -1.33] [%clk 0:33:20] } 21... Rd5 { [%eval -1.33] [%clk 0:48:16] } 22. R1e2 { [%eval -1.36] [%clk 0:27:13] } 22... Ra5 { [%eval -1.17] [%clk 0:38:58] } 23. Qb2 { [%eval -1.12] [%clk 0:26:54] } 23... Qc4 { [%eval -1.2] [%clk 0:38:27] } 24. Be1 { [%eval -1.19] [%clk 0:27:16] } 24... Ra4 { [%eval -1.2] [%clk 0:23:02] } 25. h4 { [%eval -1.14] [%clk 0:19:35] } 25... Rd8 { [%eval -1.12] [%clk 0:22:39] } 26. h5 { [%eval -1.11] [%clk 0:16:36] } 26... Rd5 { [%eval -1.05] [%clk 0:22:38] } 27. hxg6 { [%eval -1.05] [%clk 0:16:56] } 27... hxg6 { [%eval -1.06] [%clk 0:22:57] } 28. Qc2 { [%eval -1.01] [%clk 0:14:49] } 28... Bf6? { [%eval 0.35] } { Mistake. Qc6 was best. } { [%clk 0:18:08] } 29. Rxe6 { [%eval 0.32] [%clk 0:12:11] } 29... Kg7 { [%eval 0.3] [%clk 0:15:33] } 30. R6e4 { [%eval 0.0] [%clk 0:09:48] } 30... Rda5 { [%eval 0.13] [%clk 0:14:09] } 31. Qb3 { [%eval 0.21] [%clk 0:08:19] } 31... Rb5 { [%eval 0.58] [%clk 0:13:55] } 32. Qxc4 { [%eval 0.63] [%clk 0:08:08] } 32... Rxc4 { [%eval 0.7] [%clk 0:14:23] } 33. g4 { [%eval 0.76] [%clk 0:07:28] } 33... g5 { [%eval 0.59] [%clk 0:13:23] } 34. Kg2 { [%eval 0.66] [%clk 0:06:36] } 34... Ra5 { [%eval 1.0] [%clk 0:13:29] } 35. Rb2 { [%eval 1.07] [%clk 0:06:04] } 35... Rca4 { [%eval 1.01] [%clk 0:12:18] } 36. Ree2 { [%eval 1.33] [%clk 0:06:26] } 36... Rd5 { [%eval 1.28] [%clk 0:12:47] } 37. Kf3 { [%eval 1.38] [%clk 0:06:04] } 37... b5 { [%eval 1.48] [%clk 0:12:24] } 38. Ke4 { [%eval 1.57] [%clk 0:05:13] } 38... Rd7? { [%eval 3.56] } { Mistake. Re5+ was best. } { [%clk 0:12:53] } 39. Rxb5 { [%eval 3.53] [%clk 0:04:46] } 39... Re7+ { [%eval 4.04] [%clk 0:13:22] } 40. Kd3 { [%eval 4.16] [%clk 0:05:07] } 40... Rxe2 { [%eval 4.43] [%clk 0:13:35] } 41. Kxe2 { [%eval 4.28] [%clk 0:05:32] } 41... Rxa2+ { [%eval 4.55] [%clk 0:13:38] } 42. Kd3 { [%eval 4.41] [%clk 0:05:40] } 42... Ra1 { [%eval 4.46] [%clk 0:13:54] } 43. Bd2 { [%eval 4.47] [%clk 0:05:38] } 43... Kg6 { [%eval 4.81] [%clk 0:14:21] } 44. c4 { [%eval 4.9] [%clk 0:05:45] } 44... Ra3+ { [%eval 4.99] [%clk 0:14:02] } 45. Bc3 { [%eval 4.78] [%clk 0:06:06] } 45... Ra2 { [%eval 5.24] [%clk 0:14:10] } 46. f3 { [%eval 4.99] [%clk 0:05:17] } 46... Rf2 { [%eval 6.0] [%clk 0:14:27] } 47. Rf5 { [%eval 5.76] [%clk 0:05:40] } 47... Rf1 { [%eval 6.22] [%clk 0:13:49] } 48. c5 { [%eval 5.94] [%clk 0:06:02] } 48... Rd1+ { [%eval 6.61] [%clk 0:14:10] } 49. Kc4 { [%eval 5.52] [%clk 0:06:25] } 49... a5 { [%eval 6.41] [%clk 0:14:14] } 50. c6 { [%eval 6.0] [%clk 0:06:39] } 50... a4?? { [%eval #10] } { Checkmate is now unavoidable. Bd8 was best. } { [%clk 0:14:21] } 51. c7 { [%eval #9] [%clk 0:06:56] } 1-0