Event: Las Vegas National Open 2023
Date: 2023-06-16
White: Nico Chasin
WhiteTitle: IM
Black: Ruiyang Yan
BlackTitle: FM
Result: 1-0
ECO: D37
Opening: Queen's Gambit Declined: Three Knights Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:15:47] } 1... Nf6 { [%eval 0.28] [%clk 1:30:53] } 2. c4 { [%eval 0.16] [%clk 1:16:15] } 2... e6 { [%eval 0.23] [%clk 1:31:16] } 3. Nf3 { [%eval 0.0] [%clk 1:16:43] } 3... d5 { [%eval 0.17] [%clk 1:31:40] } 4. Nc3 { [%eval 0.0] [%clk 1:17:10] } 4... a6 { [%eval 0.36] [%clk 1:31:52] } 5. e3 { [%eval 0.0] [%clk 1:14:51] } 5... Be7 { [%eval 0.24] [%clk 1:27:45] } 6. Qc2 { [%eval -0.05] [%clk 1:14:23] } 6... O-O { [%eval 0.2] [%clk 1:21:50] } 7. a3 { [%eval 0.0] [%clk 1:05:45] } 7... Nbd7 { [%eval 0.07] [%clk 1:17:02] } 8. g4?! { [%eval -0.63] } { Inaccuracy. c5 was best. } { [%clk 1:04:38] } 8... dxc4 { [%eval -0.51] [%clk 0:55:23] } 9. g5 { [%eval -0.57] [%clk 1:04:58] } 9... Ne8 { [%eval -0.23] [%clk 0:48:07] } 10. Bxc4 { [%eval -0.37] [%clk 1:02:22] } 10... g6?! { [%eval 0.4] } { Inaccuracy. Bxg5 was best. } { [%clk 0:36:13] } 11. b4?! { [%eval -0.34] } { Inaccuracy. h4 was best. } { [%clk 0:59:57] } 11... Ng7 { [%eval 0.17] [%clk 0:34:47] } 12. e4 { [%eval 0.07] [%clk 0:54:06] } 12... a5 { [%eval 0.54] [%clk 0:32:43] } 13. Rb1 { [%eval 0.0] [%clk 0:48:27] } 13... c6 { [%eval 0.54] [%clk 0:31:40] } 14. Be3?! { [%eval -0.24] } { Inaccuracy. b5 was best. } { [%clk 0:48:42] } 14... Bd6?! { [%eval 0.77] } { Inaccuracy. e5 was best. } { [%clk 0:30:30] } 15. e5 { [%eval 0.66] [%clk 0:44:07] } 15... Be7 { [%eval 0.78] [%clk 0:30:39] } 16. Ne4 { [%eval 0.8] [%clk 0:43:09] } 16... Nb6 { [%eval 1.04] [%clk 0:21:39] } 17. Bd3 { [%eval 0.82] [%clk 0:40:08] } 17... axb4 { [%eval 1.1] [%clk 0:21:37] } 18. axb4 { [%eval 1.03] [%clk 0:36:01] } 18... Nd5 { [%eval 1.06] [%clk 0:21:58] } 19. Bd2?! { [%eval 0.5] } { Inaccuracy. Nf6+ was best. } { [%clk 0:35:44] } 19... Nf5 { [%eval 0.54] [%clk 0:21:19] } 20. h4 { [%eval 0.0] [%clk 0:35:08] } 20... h5? { [%eval 1.17] } { Mistake. Nc7 was best. } { [%clk 0:16:24] } 21. gxh6 { [%eval 1.09] [%clk 0:34:35] } 21... Kh8 { [%eval 1.05] [%clk 0:13:39] } 22. h5 { [%eval 1.02] [%clk 0:34:18] } 22... Rg8 { [%eval 1.49] [%clk 0:10:32] } 23. Neg5 { [%eval 1.75] [%clk 0:31:32] } 23... Rf8? { [%eval 3.5] } { Mistake. Qe8 was best. } { [%clk 0:08:25] } 24. Nxf7+ { [%eval 3.85] [%clk 0:31:43] } 24... Rxf7 { [%eval 3.7] [%clk 0:08:30] } 25. hxg6 { [%eval 4.05] [%clk 0:32:11] } 25... Rh7 { [%eval 4.49] [%clk 0:07:17] } 26. gxh7 { [%eval 4.39] [%clk 0:31:44] } 26... Qf8 { [%eval 5.36] [%clk 0:07:43] } 27. Be4 { [%eval 4.58] [%clk 0:31:15] } 27... Ra3 { [%eval 4.66] [%clk 0:06:32] } 28. Qb2 { [%eval 4.73] [%clk 0:28:20] } 28... Ra4 { [%eval 4.61] [%clk 0:06:47] } 29. Rg1 { [%eval 4.54] [%clk 0:28:33] } 29... Kxh7 { [%eval 4.68] [%clk 0:07:08] } 30. Qb3 { [%eval 4.7] [%clk 0:28:11] } 30... b5 { [%eval 4.93] [%clk 0:07:30] } 31. Kf1 { [%eval 4.84] [%clk 0:24:24] } 31... Bxb4 { [%eval 6.01] [%clk 0:07:21] } 32. Bxd5 { [%eval 4.98] [%clk 0:24:39] } 32... Bxd2 { [%eval 5.04] [%clk 0:07:46] } 33. Bxc6 { [%eval 4.11] [%clk 0:24:37] } 33... Bxh6 { [%eval 4.19] [%clk 0:07:10] } 34. Rg2 { [%eval 3.76] [%clk 0:22:32] } 34... Ra3 { [%eval 4.04] [%clk 0:06:20] } 35. Qc2 { [%eval 3.64] [%clk 0:22:23] } 35... b4 { [%eval 3.68] [%clk 0:06:27] } 36. Be4 { [%eval 3.84] [%clk 0:20:55] } 36... Ba6+ { [%eval 4.16] [%clk 0:06:11] } 37. Kg1 { [%eval 4.42] [%clk 0:21:09] } 37... Rc3 { [%eval 4.81] [%clk 0:06:37] } 38. Qa4 { [%eval 5.72] [%clk 0:20:56] } 38... Bd3 { [%eval 5.62] [%clk 0:06:37] } 39. Bxd3?! { [%eval 3.92] } { Inaccuracy. Qd7+ was best. } { [%clk 0:20:28] } 39... Rxd3 { [%eval 3.84] [%clk 0:07:03] } 40. Qc6 { [%eval 4.08] [%clk 0:20:54] } 40... b3 { [%eval 4.62] [%clk 0:06:16] } 41. Ne1 { [%eval 4.29] [%clk 0:17:36] } 41... Rxd4 { [%eval 4.13] [%clk 0:06:00] } 42. Rxb3 { [%eval 3.75] [%clk 0:17:59] } 42... Rd1 { [%eval 3.55] [%clk 0:06:06] } 43. Qe4 { [%eval 3.87] [%clk 0:18:17] } 43... Kh8 { [%eval 4.48] [%clk 0:04:28] } 44. Rh3 { [%eval 4.33] [%clk 0:18:15] } 44... Kh7 { [%eval 5.0] [%clk 0:02:37] } 45. Kh2 { [%eval 4.86] [%clk 0:17:25] } 45... Rd4 { [%eval 5.23] [%clk 0:02:44] } 46. Qb7+ { [%eval 5.27] [%clk 0:17:53] } 46... Ng7 { [%eval 5.66] [%clk 0:02:21] } 47. Nf3 { [%eval 6.88] [%clk 0:18:16] } 47... Rd1?! { [%eval 12.83] } { Inaccuracy. Qf4+ was best. } { [%clk 0:02:00] } 48. Qe4+ { [%eval 13.85] [%clk 0:18:27] } 1-0