Event: Round 4: Beltran, Oskar Sebastian - Olaya, Horacio
Date: 2025-01-31
White: Beltran, Oskar Sebastian
WhiteElo: 1497
Black: Olaya, Horacio
BlackElo: 1708
Result: 1/2-1/2
ECO: A46
Opening: Yusupov-Rubinstein System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:27] } 1... Nf6 { [%eval 0.19] [%clk 1:30:47] } 2. Nf3 { [%eval 0.11] [%clk 1:29:21] } 2... e6 { [%eval 0.14] [%clk 1:31:10] } 3. e3 { [%eval 0.0] [%clk 1:29:25] } 3... b6 { [%eval 0.07] [%clk 1:31:18] } 4. Bd3 { [%eval 0.04] [%clk 1:29:36] } 4... Bb7 { [%eval 0.1] [%clk 1:31:21] } 5. Nbd2 { [%eval 0.0] [%clk 1:30:00] } 5... Be7 { [%eval 0.28] [%clk 1:27:06] } 6. O-O { [%eval 0.02] [%clk 1:29:56] } 6... O-O { [%eval 0.35] [%clk 1:27:15] } 7. e4 { [%eval 0.41] [%clk 1:27:28] } 7... d5 { [%eval 0.64] [%clk 1:24:19] } 8. e5 { [%eval 0.74] [%clk 1:25:44] } 8... Ne4 { [%eval 0.82] [%clk 1:24:39] } 9. Qe2 { [%eval 0.69] [%clk 1:24:38] } 9... Nxd2 { [%eval 0.71] [%clk 1:23:03] } 10. Bxd2 { [%eval 0.77] [%clk 1:22:07] } 10... c5 { [%eval 0.76] [%clk 1:21:12] } 11. c3 { [%eval 0.72] [%clk 1:22:24] } 11... Nc6?! { [%eval 1.66] } { Inaccuracy. a5 was best. } { [%clk 1:20:46] } 12. Rac1 { [%eval 1.59] [%clk 1:18:45] } 12... a5 { [%eval 1.85] [%clk 1:14:05] } 13. b3?! { [%eval 0.75] } { Inaccuracy. Rfe1 was best. } { [%clk 1:15:35] } 13... a4 { [%eval 1.2] [%clk 1:10:47] } 14. Ra1?! { [%eval 0.63] } { Inaccuracy. h4 was best. } { [%clk 1:15:29] } 14... cxd4 { [%eval 0.83] [%clk 1:01:07] } 15. Nxd4 { [%eval 0.39] [%clk 1:10:08] } 15... Nxd4?! { [%eval 1.17] } { Inaccuracy. axb3 was best. } { [%clk 1:01:32] } 16. cxd4 { [%eval 1.07] [%clk 1:10:12] } 16... axb3 { [%eval 1.17] [%clk 1:00:00] } 17. axb3 { [%eval 1.1] [%clk 1:09:49] } 17... Ra3? { [%eval 2.64] } { Mistake. Rxa1 was best. } { [%clk 0:59:41] } 18. Rxa3 { [%eval 2.58] [%clk 1:08:56] } 18... Bxa3 { [%eval 2.67] [%clk 1:00:08] } 19. Qg4?! { [%eval 1.66] } { Inaccuracy. b4 was best. } { [%clk 1:09:17] } 19... Re8? { [%eval 3.73] } { Mistake. f5 was best. } { [%clk 0:46:27] } 20. b4 { [%eval 3.73] [%clk 1:06:08] } 20... Qe7 { [%eval 3.87] [%clk 0:42:38] } 21. Rb1 { [%eval 3.46] [%clk 1:01:57] } 21... Ra8 { [%eval 4.07] [%clk 0:32:46] } 22. Qh3 { [%eval 4.02] [%clk 0:57:47] } 22... g6 { [%eval 3.97] [%clk 0:32:22] } 23. Bb5?! { [%eval 2.8] } { Inaccuracy. Bf1 was best. } { [%clk 0:54:42] } 23... Qc7 { [%eval 2.87] [%clk 0:25:01] } 24. Qc3?? { [%eval 0.0] } { Blunder. Qb3 was best. } { [%clk 0:53:53] } 24... Qxc3 { [%eval 0.0] [%clk 0:23:39] } 25. Bxc3 { [%eval 0.0] [%clk 0:54:13] } 25... Ba6?? { [%eval 3.61] } { Blunder. Rc8 was best. } { [%clk 0:24:05] } 26. Bc6?? { [%eval 0.0] } { Blunder. Bxa6 was best. } { [%clk 0:53:30] } 26... Rc8 { [%eval 0.0] [%clk 0:24:32] } 27. Ra1 { [%eval 0.0] [%clk 0:50:52] } 27... Rxc6 { [%eval 0.0] [%clk 0:11:17] } 28. Rxa3 { [%eval 0.08] [%clk 0:50:50] } 28... Bb5 { [%eval 0.42] [%clk 0:10:43] } 29. h3 { [%eval 0.0] [%clk 0:51:00] } 29... Kg7 { [%eval 0.0] [%clk 0:09:04] } 30. Bd2 { [%eval 0.0] [%clk 0:50:39] } 30... h6 { [%eval 0.0] [%clk 0:08:59] } 31. g4?! { [%eval -0.63] } { Inaccuracy. Rc3 was best. } { [%clk 0:50:46] } 31... Rc2 { [%eval -0.59] [%clk 0:08:52] } 32. Bc3 { [%eval -0.56] [%clk 0:47:29] } 32... Rc1+ { [%eval -0.58] [%clk 0:05:27] } 33. Kh2 { [%eval -0.55] [%clk 0:47:22] } 33... Bf1 { [%eval -0.5] [%clk 0:04:10] } 34. Bd2 { [%eval -0.45] [%clk 0:43:39] } 34... Rc2 { [%eval -0.34] [%clk 0:03:42] } 35. Be1 { [%eval -0.12] [%clk 0:43:40] } 35... Be2 { [%eval -0.39] [%clk 0:01:32] } 36. Ra1 { [%eval -0.49] [%clk 0:43:42] } 36... Rc4 { [%eval -0.24] [%clk 0:01:37] } 37. Rb1? { [%eval -1.44] } { Mistake. Ra2 was best. } { [%clk 0:44:02] } 37... Rxd4 { [%eval -1.19] [%clk 0:01:22] } 38. Rb2 { [%eval -1.44] [%clk 0:43:35] } 38... Bb5 { [%eval -1.1] [%clk 0:01:26] } 39. Bd2?! { [%eval -1.89] } { Inaccuracy. f3 was best. } { [%clk 0:43:49] } 39... Rd3 { [%eval -1.57] [%clk 0:00:57] } 40. h4 { [%eval -1.6] [%clk 0:44:03] } 40... Ra3? { [%eval -0.46] } { Mistake. Rd4 was best. } { [%clk 0:00:31] } 41. Be3 { [%eval -0.6] [%clk 0:44:06] } 41... Ra6 { [%eval -0.13] [%clk 0:00:33] } 42. g5 { [%eval -0.39] [%clk 0:43:45] } 42... h5 { [%eval -0.26] [%clk 0:00:55] } 1/2-1/2