Event: Las Vegas National Open 2023
Date: 2023-06-15
White: Tommy Wen
WhiteTitle: FM
Black: Alexander Costello
BlackTitle: IM
Result: 1-0
ECO: C96
Opening: Ruy Lopez: Closed, Keres Defense
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:30:32] } 1... e5 { [%eval 0.35] [%clk 1:24:00] } 2. Nf3 { [%eval 0.29] [%clk 1:29:29] } 2... Nc6 { [%eval 0.32] [%clk 1:24:23] } 3. Bb5 { [%eval 0.34] [%clk 1:29:54] } 3... a6 { [%eval 0.37] [%clk 1:24:37] } 4. Ba4 { [%eval 0.31] [%clk 1:30:17] } 4... Nf6 { [%eval 0.37] [%clk 1:24:59] } 5. O-O { [%eval 0.29] [%clk 1:30:43] } 5... Be7 { [%eval 0.36] [%clk 1:25:11] } 6. Re1 { [%eval 0.46] [%clk 1:31:07] } 6... b5 { [%eval 0.33] [%clk 1:25:38] } 7. Bb3 { [%eval 0.36] [%clk 1:31:33] } 7... d6 { [%eval 0.33] [%clk 1:26:00] } 8. c3 { [%eval 0.52] } 8... O-O { [%eval 0.44] [%clk 1:26:25] } 9. h3 { [%eval 0.5] [%clk 1:32:14] } 9... Na5 { [%eval 0.6] [%clk 1:26:46] } 10. Bc2 { [%eval 0.62] [%clk 1:32:38] } 10... c5 { [%eval 0.54] [%clk 1:26:31] } 11. d4 { [%eval 0.56] [%clk 1:32:30] } 11... Nd7 { [%eval 0.61] [%clk 1:26:59] } 12. Nbd2 { [%eval 0.67] [%clk 1:31:51] } 12... exd4 { [%eval 0.69] [%clk 1:26:36] } 13. cxd4 { [%eval 0.7] [%clk 1:32:14] } 13... Nc6 { [%eval 0.49] [%clk 1:27:05] } 14. d5 { [%eval 0.68] [%clk 1:31:11] } 14... Nce5 { [%eval 0.73] [%clk 1:27:14] } 15. a4 { [%eval 0.83] [%clk 1:28:59] } 15... Rb8 { [%eval 0.43] [%clk 1:09:44] } 16. Nxe5 { [%eval 0.24] [%clk 1:23:03] } 16... Nxe5 { [%eval 0.37] [%clk 1:10:12] } 17. f4 { [%eval 0.48] [%clk 1:22:50] } 17... Ng6 { [%eval 0.26] [%clk 1:10:36] } 18. Nf3 { [%eval 0.36] [%clk 1:18:31] } 18... Bh4 { [%eval 0.31] [%clk 1:09:51] } 19. Rf1 { [%eval 0.45] [%clk 1:15:05] } 19... Bg3 { [%eval 0.56] [%clk 1:09:36] } 20. Nh2?! { [%eval -0.39] } { Inaccuracy. axb5 was best. } { [%clk 1:12:56] } 20... f5?! { [%eval 0.21] } { Inaccuracy. b4 was best. } { [%clk 0:58:38] } 21. Ra3 { [%eval 0.17] [%clk 0:58:55] } 21... Qh4 { [%eval 0.13] [%clk 0:22:03] } 22. Nf3 { [%eval 0.15] [%clk 0:56:38] } 22... Qh5 { [%eval 0.0] [%clk 0:21:14] } 23. Ng5 { [%eval 0.08] [%clk 0:52:35] } 23... Qxd1 { [%eval 0.01] [%clk 0:21:20] } 24. Bxd1 { [%eval 0.11] [%clk 0:53:03] } 24... Bh4 { [%eval 0.03] [%clk 0:21:03] } 25. exf5 { [%eval 0.06] [%clk 0:51:05] } 25... Bxf5 { [%eval 0.02] [%clk 0:18:48] } 26. g4 { [%eval -0.27] [%clk 0:44:56] } 26... Bd7?! { [%eval 0.44] } { Inaccuracy. b4 was best. } { [%clk 0:19:03] } 27. Ne4 { [%eval 0.13] [%clk 0:37:44] } 27... Be7 { [%eval 0.44] [%clk 0:19:28] } 28. f5 { [%eval 0.39] [%clk 0:32:34] } 28... Ne5 { [%eval 0.33] [%clk 0:19:10] } 29. Bf4 { [%eval 0.43] [%clk 0:32:34] } 29... b4 { [%eval 0.62] [%clk 0:12:45] } 30. Ra1? { [%eval -0.48] } { Mistake. Re3 was best. } { [%clk 0:27:11] } 30... Nd3 { [%eval -0.27] [%clk 0:10:59] } 31. b3 { [%eval -0.32] [%clk 0:22:24] } 31... Nxf4 { [%eval -0.37] [%clk 0:10:32] } 32. Rxf4 { [%eval -0.21] [%clk 0:22:48] } 32... Bf6 { [%eval -0.45] [%clk 0:10:53] } 33. Nxf6+ { [%eval -0.36] [%clk 0:17:59] } 33... gxf6 { [%eval -0.49] [%clk 0:11:05] } 34. Be2 { [%eval -0.3] [%clk 0:14:35] } 34... a5 { [%eval -0.31] [%clk 0:11:34] } 35. Kf2 { [%eval -0.39] [%clk 0:11:12] } 35... Rfe8 { [%eval -0.54] [%clk 0:11:22] } 36. Bd3 { [%eval -0.43] [%clk 0:05:49] } 36... Re5 { [%eval -0.4] [%clk 0:11:44] } 37. Kf3 { [%eval -0.88] [%clk 0:03:21] } 37... Rbe8 { [%eval -0.6] [%clk 0:10:40] } 38. Re4 { [%eval -0.57] [%clk 0:03:36] } 38... Kf8 { [%eval -0.54] [%clk 0:10:06] } 39. Rxe5 { [%eval -0.6] [%clk 0:04:01] } 39... Rxe5 { [%eval -0.54] [%clk 0:09:51] } 40. Be4 { [%eval -0.54] [%clk 0:04:23] } 40... Bc8 { [%eval -0.44] [%clk 0:07:42] } 41. Kf4 { [%eval -0.54] [%clk 0:04:05] } 41... Ba6 { [%eval -0.43] [%clk 0:07:24] } 42. Rc1 { [%eval -0.53] [%clk 0:04:11] } 42... Ke7 { [%eval -0.36] [%clk 0:07:36] } 43. h4 { [%eval -0.37] [%clk 0:04:16] } 43... h6 { [%eval -0.3] [%clk 0:08:04] } 44. Rc2 { [%eval -0.34] [%clk 0:03:22] } 44... Kd7 { [%eval -0.34] [%clk 0:08:01] } 45. Bf3 { [%eval -0.65] [%clk 0:02:58] } 45... Kc7 { [%eval -0.35] [%clk 0:05:17] } 46. Rd2 { [%eval -0.23] [%clk 0:02:44] } 46... Bc8 { [%eval -0.22] [%clk 0:03:59] } 47. Re2 { [%eval -0.13] [%clk 0:01:07] } 47... Bd7 { [%eval 0.0] [%clk 0:03:08] } 48. Rxe5 { [%eval 0.0] [%clk 0:00:39] } 48... dxe5+ { [%eval 0.0] [%clk 0:03:36] } 49. Ke4 { [%eval 0.0] [%clk 0:00:57] } 49... Kd6 { [%eval 0.0] [%clk 0:04:03] } 50. Be2?? { [%eval -3.18] } { Blunder. Kd3 was best. } { [%clk 0:01:06] } 50... Be8 { [%eval -3.47] [%clk 0:03:29] } 51. Ba6 { [%eval -3.54] [%clk 0:01:01] } 51... Bf7 { [%eval -2.96] [%clk 0:02:30] } 52. Bb7 { [%eval -4.99] [%clk 0:01:01] } 52... c4 { [%eval -5.05] [%clk 0:00:40] } 53. bxc4 { [%eval -5.02] [%clk 0:01:27] } 53... Be8?? { [%eval -1.1] } { Blunder. b3 was best. } { [%clk 0:01:09] } 54. g5?? { [%eval -4.71] } { Blunder. Kd3 was best. } { [%clk 0:00:33] } 54... hxg5 { [%eval -4.72] [%clk 0:01:37] } 55. hxg5 { [%eval -4.88] [%clk 0:01:02] } 55... fxg5?? { [%eval -0.14] } { Blunder. b3 was best. } { [%clk 0:02:06] } 56. c5+ { [%eval -0.14] [%clk 0:01:11] } 56... Kxc5 { [%eval -0.08] [%clk 0:02:22] } 57. Kxe5 { [%eval -0.32] [%clk 0:01:38] } 57... b3?? { [%eval 3.55] } { Blunder. Kb6 was best. } { [%clk 0:02:14] } 58. d6 { [%eval 0.26] [%clk 0:02:06] } 58... b2?? { [%eval 2.5] } { Blunder. Bc6 was best. } { [%clk 0:00:39] } 59. Be4 { [%eval 3.35] [%clk 0:02:34] } 59... Bc6 { [%eval 7.24] [%clk 0:00:35] } 60. Bd3?! { [%eval 5.42] } { Inaccuracy. Bb1 was best. } { [%clk 0:01:41] } 60... g4?! { [%eval 7.16] } { Inaccuracy. Kb4 was best. } { [%clk 0:00:33] } 61. f6 { [%eval 8.05] [%clk 0:01:57] } 61... g3 { [%eval 9.06] [%clk 0:00:37] } 62. f7 { [%eval 9.18] [%clk 0:01:34] } 62... b1=Q { [%eval 11.57] } 63. Bxb1 { [%eval 10.58] [%clk 0:01:56] } 63... g2?! { [%eval #29] } { Checkmate is now unavoidable. Kb6 was best. } { [%clk 0:01:30] } 64. f8=Q { [%eval #10] [%clk 0:02:16] } 64... g1=Q { [%eval #10] [%clk 0:01:57] } 65. d7+ { [%eval #9] [%clk 0:02:26] } 65... Kc4 { [%eval #9] [%clk 0:02:26] } 66. Ba2+ { [%eval #8] [%clk 0:02:17] } 66... Kc3 { [%eval #7] [%clk 0:02:50] } 67. Qa3+ { [%eval #6] [%clk 0:02:44] } 1-0