Event: Las Vegas National Open 2023
Date: 2023-06-18
White: Yaser Quesada
WhiteTitle: GM
Black: Viktor Matviishen
BlackTitle: GM
Result: 1-0
ECO: B13
Opening: Caro-Kann Defense: Exchange Variation, Rubinstein Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:27:45] } 1... c6 { [%eval 0.37] [%clk 1:30:53] } 2. d4 { [%eval 0.41] [%clk 1:27:11] } 2... d5 { [%eval 0.28] [%clk 1:31:18] } 3. exd5 { [%eval 0.35] [%clk 1:27:19] } 3... cxd5 { [%eval 0.33] [%clk 1:31:42] } 4. Bd3 { [%eval 0.32] [%clk 1:27:42] } 4... Nc6 { [%eval 0.37] [%clk 1:32:05] } 5. c3 { [%eval 0.29] [%clk 1:28:04] } 5... Nf6 { [%eval 0.31] [%clk 1:32:30] } 6. Bf4 { [%eval 0.34] [%clk 1:27:09] } 6... Bg4 { [%eval 0.37] [%clk 1:32:05] } 7. Qb3 { [%eval 0.28] [%clk 1:27:26] } 7... Qd7 { [%eval 0.17] [%clk 1:32:24] } 8. Nd2 { [%eval 0.32] [%clk 1:27:17] } 8... e6 { [%eval 0.27] [%clk 1:32:48] } 9. Ngf3 { [%eval 0.33] [%clk 1:27:33] } 9... Bxf3 { [%eval 0.4] [%clk 1:33:10] } 10. Nxf3 { [%eval 0.36] [%clk 1:27:59] } 10... Bd6 { [%eval 0.4] [%clk 1:33:24] } 11. Bxd6 { [%eval 0.38] [%clk 1:27:49] } 11... Qxd6 { [%eval 0.4] [%clk 1:33:53] } 12. O-O { [%eval 0.47] [%clk 1:28:10] } 12... O-O { [%eval 0.35] [%clk 1:34:10] } 13. Rae1 { [%eval 0.22] [%clk 1:28:35] } 13... Qc7 { [%eval 0.39] [%clk 1:33:35] } 14. Qc2 { [%eval 0.26] [%clk 1:28:18] } 14... g6 { [%eval 0.56] [%clk 1:32:56] } 15. Qd2 { [%eval 0.4] [%clk 1:28:36] } 15... Kg7 { [%eval 0.41] [%clk 1:21:38] } 16. Re3 { [%eval 0.32] [%clk 1:29:01] } 16... Qf4 { [%eval 0.5] [%clk 1:12:52] } 17. h3 { [%eval 0.34] [%clk 1:27:39] } 17... Ng8 { [%eval 0.56] [%clk 1:01:42] } 18. g3 { [%eval 0.57] [%clk 1:22:52] } 18... Qc7 { [%eval 0.73] [%clk 1:01:26] } 19. h4 { [%eval 0.58] [%clk 1:17:19] } 19... Nce7?! { [%eval 1.23] } { Inaccuracy. Nf6 was best. } { [%clk 0:48:10] } 20. Re2 { [%eval 0.77] [%clk 1:12:58] } 20... Nf6 { [%eval 0.79] [%clk 0:45:24] } 21. Ne5 { [%eval 0.63] [%clk 1:05:45] } 21... Rae8 { [%eval 0.8] [%clk 0:36:03] } 22. Kg2 { [%eval 0.71] [%clk 1:01:37] } 22... Nd7?! { [%eval 1.53] } { Inaccuracy. Nc6 was best. } { [%clk 0:34:33] } 23. Ng4 { [%eval 1.02] [%clk 0:57:55] } 23... f5 { [%eval 1.07] [%clk 0:25:27] } 24. Qh6+ { [%eval 0.93] [%clk 0:42:45] } 24... Kh8 { [%eval 0.97] [%clk 0:25:52] } 25. Ne5 { [%eval 1.0] [%clk 0:43:04] } 25... Nxe5 { [%eval 1.11] [%clk 0:25:52] } 26. Rxe5 { [%eval 1.14] [%clk 0:43:29] } 26... Ng8 { [%eval 0.91] [%clk 0:26:20] } 27. Qf4 { [%eval 0.71] [%clk 0:38:42] } 27... Nf6 { [%eval 0.71] [%clk 0:26:08] } 28. Rfe1 { [%eval 1.0] [%clk 0:38:46] } 28... Qd7 { [%eval 0.97] [%clk 0:21:59] } 29. f3 { [%eval 1.08] [%clk 0:37:30] } 29... Kg7 { [%eval 0.81] [%clk 0:17:25] } 30. Qe3 { [%eval 1.23] [%clk 0:35:46] } 30... Kf7 { [%eval 1.19] [%clk 0:16:30] } 31. Qh6 { [%eval 0.9] [%clk 0:34:50] } 31... Qc6 { [%eval 1.09] [%clk 0:14:47] } 32. g4 { [%eval 0.97] [%clk 0:33:28] } 32... Kg8 { [%eval 1.53] [%clk 0:13:44] } 33. Qg5?! { [%eval 0.86] } { Inaccuracy. h5 was best. } { [%clk 0:30:54] } 33... Kh8 { [%eval 0.79] [%clk 0:13:15] } 34. gxf5 { [%eval 0.8] [%clk 0:23:53] } 34... gxf5 { [%eval 0.41] [%clk 0:11:16] } 35. Kh3 { [%eval 0.36] [%clk 0:22:26] } 35... Rf7 { [%eval 0.53] [%clk 0:08:11] } 36. h5?! { [%eval -0.44] } { Inaccuracy. Qe3 was best. } { [%clk 0:19:31] } 36... Qd7?! { [%eval 0.33] } { Inaccuracy. Rg8 was best. } { [%clk 0:06:28] } 37. Qh4 { [%eval 0.75] [%clk 0:17:56] } 37... Rff8?? { [%eval 3.12] } { Blunder. Ng8 was best. } { [%clk 0:05:44] } 38. Bxf5 { [%eval 3.03] [%clk 0:17:10] } 38... exf5 { [%eval 3.61] [%clk 0:04:52] } 39. Qxf6+ { [%eval 3.42] [%clk 0:17:35] } 39... Rxf6 { [%eval 3.57] [%clk 0:05:20] } 40. Rxe8+ { [%eval 3.76] [%clk 0:18:01] } 40... Rf8 { [%eval 3.71] [%clk 0:05:44] } 41. Rxf8+ { [%eval 4.07] [%clk 0:18:25] } 41... Kg7 { [%eval 3.54] [%clk 0:06:13] } 42. Rfe8 { [%eval 4.04] [%clk 0:18:29] } 42... Qb5 { [%eval 3.67] [%clk 0:04:01] } 43. R8e7+ { [%eval 3.56] [%clk 0:16:55] } 43... Kf8 { [%eval 3.57] [%clk 0:04:31] } 44. R1e2 { [%eval 3.9] [%clk 0:15:30] } 44... Qd3 { [%eval 4.02] [%clk 0:03:10] } 45. Kg3 { [%eval 4.22] [%clk 0:15:55] } 45... b5?! { [%eval 6.14] } { Inaccuracy. Qd1 was best. } { [%clk 0:03:12] } 46. Kf4 { [%eval 6.47] [%clk 0:16:08] } 46... h6 { [%eval 7.0] [%clk 0:03:26] } 47. Re8+ { [%eval 7.27] [%clk 0:15:13] } 47... Kf7 { [%eval 6.29] [%clk 0:03:39] } 48. R2e7+ { [%eval 7.0] [%clk 0:15:39] } 48... Kf6 { [%eval 7.05] [%clk 0:04:08] } 49. Re6+ { [%eval 6.93] [%clk 0:15:55] } 49... Kf7 { [%eval 6.3] [%clk 0:04:22] } 50. R8e7+ { [%eval 7.29] [%clk 0:16:20] } 50... Kf8 { [%eval 6.09] [%clk 0:04:51] } 51. Ke5 { [%eval 7.12] [%clk 0:13:50] } 51... Qe3+ { [%eval 7.71] [%clk 0:04:54] } 52. Kd6 { [%eval 7.79] [%clk 0:12:50] } 52... Qxf3 { [%eval 7.65] [%clk 0:05:09] } 53. Kd7 { [%eval 7.31] [%clk 0:11:57] } 53... f4 { [%eval 6.79] [%clk 0:04:52] } 54. Rxh6 { [%eval 7.77] [%clk 0:11:07] } 54... Qh3+ { [%eval 7.2] [%clk 0:04:09] } 55. Kd8 { [%eval 7.06] [%clk 0:11:33] } 55... Kg8 { [%eval 7.89] [%clk 0:04:35] } 56. Rg6+ { [%eval 8.06] [%clk 0:11:49] } 56... Kh8 { [%eval 7.78] [%clk 0:04:21] } 57. Rf6 { [%eval 7.89] [%clk 0:12:12] } 57... Kg8 { [%eval 10.72] [%clk 0:04:47] } 58. h6 { [%eval 13.33] [%clk 0:12:33] } 58... Qh4 { [%eval 12.91] [%clk 0:05:15] } 59. h7+ { [%eval 8.31] [%clk 0:12:19] } 1-0