Event: Las Vegas National Open 2023
Date: 2023-06-15
White: Rose Atwell
Black: Viktor Matviishen
BlackTitle: GM
Result: 0-1
ECO: B13
Opening: Caro-Kann Defense: Exchange Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c6 { [%eval 0.37] [%clk 1:30:53] } 2. d4 { [%eval 0.41] [%clk 1:31:20] } 2... d5 { [%eval 0.28] [%clk 1:31:19] } 3. exd5 { [%eval 0.35] [%clk 1:31:42] } 3... cxd5 { [%eval 0.33] [%clk 1:31:46] } 4. Bd3 { [%eval 0.32] [%clk 1:31:49] } 4... Nc6 { [%eval 0.37] [%clk 1:32:10] } 5. c3 { [%eval 0.29] [%clk 1:32:13] } 5... Nf6 { [%eval 0.31] [%clk 1:32:35] } 6. h3 { [%eval 0.15] [%clk 1:32:37] } 6... g6 { [%eval 0.25] [%clk 1:33:00] } 7. Nf3 { [%eval 0.3] [%clk 1:33:00] } 7... Bf5 { [%eval 0.35] [%clk 1:33:27] } 8. O-O { [%eval 0.27] [%clk 1:32:51] } 8... Bxd3 { [%eval 0.26] [%clk 1:33:50] } 9. Qxd3 { [%eval 0.35] [%clk 1:33:14] } 9... Qc7 { [%eval 0.38] [%clk 1:34:14] } 10. Nbd2 { [%eval 0.23] [%clk 1:29:55] } 10... Bg7 { [%eval 0.34] [%clk 1:33:40] } 11. Re1 { [%eval 0.15] [%clk 1:28:29] } 11... O-O { [%eval 0.15] [%clk 1:34:04] } 12. Ne5 { [%eval 0.21] [%clk 1:26:51] } 12... Nxe5 { [%eval 0.2] [%clk 1:32:59] } 13. dxe5 { [%eval 0.17] [%clk 1:26:44] } 13... Nd7 { [%eval 0.07] [%clk 1:33:25] } 14. Nf3 { [%eval 0.0] [%clk 1:23:45] } 14... e6 { [%eval 0.09] [%clk 1:32:05] } 15. Bf4 { [%eval 0.22] [%clk 1:20:39] } 15... Rab8 { [%eval 0.4] [%clk 1:32:29] } 16. Nd4 { [%eval 0.19] [%clk 1:14:32] } 16... Rfc8 { [%eval 0.12] [%clk 1:27:49] } 17. a4 { [%eval -0.09] [%clk 1:08:07] } 17... a6 { [%eval -0.05] [%clk 1:25:23] } 18. Qe2 { [%eval -0.33] [%clk 1:04:06] } 18... Qc4 { [%eval -0.37] [%clk 1:25:00] } 19. Qe3 { [%eval -0.28] [%clk 1:00:33] } 19... Nc5 { [%eval -0.38] [%clk 1:11:49] } 20. Bh6 { [%eval -0.08] [%clk 0:53:14] } 20... Bh8 { [%eval 0.16] [%clk 1:12:14] } 21. Re2 { [%eval -0.23] [%clk 0:49:16] } 21... Nb3 { [%eval -0.15] [%clk 1:08:11] } 22. Ra3 { [%eval -0.24] [%clk 0:42:22] } 22... Nxd4 { [%eval -0.19] [%clk 1:07:37] } 23. cxd4 { [%eval -0.27] [%clk 0:42:49] } 23... Rc6 { [%eval 0.0] [%clk 0:49:30] } 24. Rd2 { [%eval 0.0] [%clk 0:40:06] } 24... Bg7 { [%eval 0.0] [%clk 0:36:36] } 25. Bxg7 { [%eval 0.0] [%clk 0:38:04] } 25... Kxg7 { [%eval 0.0] [%clk 0:37:05] } 26. h4 { [%eval -0.25] [%clk 0:34:22] } 26... Qc1+ { [%eval -0.21] [%clk 0:33:28] } 27. Kh2 { [%eval -0.13] [%clk 0:34:49] } 27... Qb1 { [%eval -0.13] [%clk 0:33:43] } 28. h5?! { [%eval -0.68] } { Inaccuracy. Qf3 was best. } { [%clk 0:29:57] } 28... Qf5?! { [%eval 0.0] } { Inaccuracy. Rc1 was best. } { [%clk 0:28:30] } 29. h6+ { [%eval 0.0] [%clk 0:29:48] } 29... Kg8 { [%eval -0.04] [%clk 0:28:42] } 30. Rc3 { [%eval 0.0] [%clk 0:27:26] } 30... Rbc8 { [%eval 0.13] [%clk 0:27:35] } 31. Rdc2 { [%eval 0.0] [%clk 0:23:15] } 31... Rxc3 { [%eval 0.0] [%clk 0:22:30] } 32. Rxc3 { [%eval -0.43] [%clk 0:23:37] } 32... Rxc3 { [%eval 0.0] [%clk 0:22:56] } 33. Qxc3 { [%eval -0.45] [%clk 0:20:54] } 33... Qf4+ { [%eval -0.36] [%clk 0:23:21] } 34. Kg1 { [%eval -0.47] [%clk 0:21:12] } 34... Qxh6 { [%eval -0.53] [%clk 0:23:43] } 35. g3 { [%eval -0.78] [%clk 0:20:51] } 35... Kg7 { [%eval -0.41] [%clk 0:22:36] } 36. Kg2 { [%eval -0.57] [%clk 0:19:04] } 36... Qh5 { [%eval -1.06] [%clk 0:17:00] } 37. Qb4 { [%eval -1.04] [%clk 0:18:16] } 37... Qd1?! { [%eval 0.0] } { Inaccuracy. Qf5 was best. } { [%clk 0:17:17] } 38. a5 { [%eval -0.24] [%clk 0:18:12] } 38... Qa1 { [%eval 0.0] [%clk 0:15:37] } 39. Qb6 { [%eval 0.0] [%clk 0:16:45] } 39... Qa4 { [%eval 0.0] [%clk 0:15:53] } 40. b3 { [%eval -0.16] [%clk 0:14:56] } 40... Qd7 { [%eval -0.34] [%clk 0:15:58] } 41. Kg1 { [%eval -0.48] [%clk 0:14:30] } 41... h5 { [%eval -0.38] [%clk 0:15:32] } 42. Kg2 { [%eval -0.28] [%clk 0:14:36] } 42... Kf8 { [%eval -0.26] [%clk 0:15:21] } 43. Qa7 { [%eval -0.21] [%clk 0:13:27] } 43... Qc7 { [%eval -0.33] [%clk 0:14:45] } 44. Qa8+?? { [%eval -2.14] } { Blunder. b4 was best. } { [%clk 0:13:11] } 44... Kg7 { [%eval -2.18] [%clk 0:15:14] } 45. Qa7 { [%eval -2.6] [%clk 0:11:36] } 45... g5?? { [%eval -0.45] } { Blunder. Qxa5 was best. } { [%clk 0:10:19] } 46. b4 { [%eval -1.45] [%clk 0:11:17] } 46... Qc8? { [%eval -0.18] } { Mistake. h4 was best. } { [%clk 0:10:11] } 47. Qb6?! { [%eval -0.94] } { Inaccuracy. Qc5 was best. } { [%clk 0:10:05] } 47... h4 { [%eval -0.73] [%clk 0:09:18] } 48. gxh4 { [%eval -0.69] [%clk 0:10:20] } 48... gxh4 { [%eval -0.75] [%clk 0:09:44] } 49. Qd6 { [%eval -0.77] [%clk 0:08:54] } 49... Qc1 { [%eval -0.51] [%clk 0:02:46] } 50. Qe7?? { [%eval -3.48] } { Blunder. Qd8 was best. } { [%clk 0:07:13] } 50... Qf4 { [%eval -4.75] [%clk 0:03:14] } 51. Kh3 { [%eval -3.51] [%clk 0:06:20] } 51... Kg6 { [%eval -3.22] [%clk 0:03:43] } 52. Qd8? { [%eval -5.72] } { Mistake. Qf8 was best. } { [%clk 0:03:36] } 52... Kf5 { [%eval -5.9] [%clk 0:03:28] } 53. Qg8 { [%eval -6.96] [%clk 0:01:01] } 53... Qf3+ { [%eval -6.8] [%clk 0:03:38] } 54. Kh2 { [%eval -7.1] [%clk 0:01:08] } 54... Qxf2+ { [%eval -7.08] [%clk 0:04:06] } 55. Kh1 { [%eval -7.23] [%clk 0:01:12] } 55... Qf3+ { [%eval -7.22] [%clk 0:04:26] } 0-1