Event: U.S. Junior Championship
Site: Saint Louis, United States
Date: 2021-07-24
White: Yoo, Christopher Woojin
WhiteElo: 2474
Black: Niemann, Hans Moke
BlackElo: 2571
Result: 1-0
ECO: D90
Opening: Grünfeld Defense: Three Knights Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... Nf6 { [%eval 0.19] [%clk 1:29:15] } 2. c4 { [%eval 0.11] [%clk 1:31:19] } 2... g6 { [%eval 0.28] [%clk 1:29:06] } 3. Nc3 { [%eval 0.17] [%clk 1:31:37] } 3... d5 { [%eval 0.2] [%clk 1:29:31] } 4. Nf3 { [%eval 0.22] [%clk 1:31:40] } 4... Bg7 { [%eval 0.27] [%clk 1:29:54] } 5. h4 { [%eval -0.2] [%clk 1:31:31] } 5... c6 { [%eval 0.25] [%clk 1:28:56] } 6. cxd5 { [%eval 0.32] [%clk 1:31:56] } 6... cxd5 { [%eval 0.36] [%clk 1:29:14] } 7. Bf4 { [%eval 0.28] [%clk 1:32:18] } 7... O-O { [%eval 0.12] [%clk 1:24:00] } 8. e3 { [%eval 0.44] [%clk 1:32:01] } 8... Nc6 { [%eval 0.29] [%clk 1:24:17] } 9. Be2 { [%eval 0.1] [%clk 1:31:44] } 9... Bf5 { [%eval 0.28] [%clk 1:23:34] } 10. Qb3 { [%eval 0.67] [%clk 1:27:51] } 10... Qd7 { [%eval 0.78] [%clk 1:13:11] } 11. Rd1 { [%eval 0.87] [%clk 1:18:43] } 11... Na5 { [%eval 0.87] [%clk 1:08:40] } 12. Qa3 { [%eval 1.0] [%clk 1:13:34] } 12... Nc4 { [%eval 1.16] [%clk 1:06:02] } 13. Bxc4 { [%eval 1.21] [%clk 1:09:41] } 13... dxc4 { [%eval 1.43] [%clk 1:06:21] } 14. Ne5 { [%eval 1.12] [%clk 1:10:05] } 14... Qd8 { [%eval 1.04] [%clk 1:03:00] } 15. Qb4 { [%eval 0.8] [%clk 1:01:18] } 15... Nd5 { [%eval 0.88] [%clk 1:01:39] } 16. Qxb7?! { [%eval 0.08] } { Inaccuracy. Nxd5 was best. } { [%clk 0:56:42] } 16... Nxf4 { [%eval -0.07] [%clk 1:00:08] } 17. exf4 { [%eval 0.0] [%clk 0:56:42] } 17... Rb8 { [%eval -0.07] [%clk 0:48:36] } 18. Qxa7 { [%eval 0.0] [%clk 0:56:53] } 18... Rxb2 { [%eval 0.0] [%clk 0:46:46] } 19. O-O { [%eval 0.07] [%clk 0:44:59] } 19... e6 { [%eval -0.02] [%clk 0:44:58] } 20. g3 { [%eval -0.26] [%clk 0:41:38] } 20... Qa8 { [%eval 0.06] [%clk 0:31:58] } 21. Qxa8 { [%eval 0.07] [%clk 0:40:33] } 21... Rxa8 { [%eval 0.11] [%clk 0:32:01] } 22. Nxc4 { [%eval 0.18] [%clk 0:34:56] } 22... Rc2 { [%eval 0.08] [%clk 0:32:05] } 23. Rc1 { [%eval 0.0] [%clk 0:34:31] } 23... Bxd4 { [%eval 0.23] [%clk 0:25:53] } 24. Rxc2 { [%eval 0.23] [%clk 0:34:21] } 24... Bxc2 { [%eval 0.13] [%clk 0:26:16] } 25. Rc1 { [%eval 0.16] [%clk 0:33:11] } 25... Bd3 { [%eval 0.11] [%clk 0:26:05] } 26. Rd1 { [%eval 0.0] [%clk 0:31:01] } 26... Bxf2+ { [%eval 0.05] [%clk 0:25:14] } 27. Kxf2 { [%eval 0.18] [%clk 0:31:25] } 27... Bxc4 { [%eval 0.16] [%clk 0:25:36] } 28. a4 { [%eval 0.2] [%clk 0:30:18] } 28... Bb3 { [%eval 0.45] [%clk 0:25:42] } 29. Ra1 { [%eval 0.41] [%clk 0:27:48] } 29... Rc8 { [%eval 0.38] [%clk 0:24:51] } 30. Ne4 { [%eval 0.29] [%clk 0:25:36] } 30... Kg7 { [%eval 0.33] [%clk 0:19:35] } 31. Ra3 { [%eval 0.27] [%clk 0:22:23] } 31... Bd5 { [%eval 0.25] [%clk 0:18:58] } 32. Nd2 { [%eval 0.0] [%clk 0:21:30] } 32... Kf6 { [%eval 0.0] [%clk 0:18:33] } 33. a5 { [%eval 0.0] [%clk 0:20:49] } 33... Rc2 { [%eval 0.0] [%clk 0:17:38] } 34. Ke3 { [%eval 0.08] [%clk 0:19:38] } 34... Kf5 { [%eval 0.07] [%clk 0:18:01] } 35. a6 { [%eval 0.11] [%clk 0:20:03] } 35... Kg4 { [%eval 0.15] [%clk 0:18:23] } 36. Ne4 { [%eval 0.07] [%clk 0:19:06] } 36... Ba8 { [%eval 0.11] [%clk 0:15:38] } 37. Kd4 { [%eval 0.26] [%clk 0:14:04] } 37... Re2 { [%eval 0.76] [%clk 0:16:06] } 38. Nf6+ { [%eval 1.08] [%clk 0:12:43] } 38... Kf5 { [%eval 1.04] [%clk 0:16:34] } 39. Ne8?! { [%eval 0.26] } { Inaccuracy. Nxh7 was best. } { [%clk 0:12:58] } 39... Rc2?! { [%eval 1.13] } { Inaccuracy. e5+ was best. } { [%clk 0:09:11] } 40. Nd6+ { [%eval 1.5] [%clk 0:42:30] } 40... Kf6 { [%eval 1.33] [%clk 0:39:02] } 41. Nc4 { [%eval 1.19] [%clk 0:42:22] } 41... h5?! { [%eval 1.78] } { Inaccuracy. Rc1 was best. } { [%clk 0:34:59] } 42. a7 { [%eval 1.72] [%clk 0:41:01] } 42... Rg2?! { [%eval 2.75] } { Inaccuracy. Rc1 was best. } { [%clk 0:35:10] } 43. Nb6 { [%eval 2.64] [%clk 0:38:52] } 43... Bb7 { [%eval 2.51] [%clk 0:35:38] } 44. Rb3 { [%eval 2.48] [%clk 0:35:52] } 44... Rd2+ { [%eval 2.44] [%clk 0:27:34] } 45. Ke3 { [%eval 2.61] [%clk 0:35:54] } 45... Rd8?! { [%eval 3.63] } { Inaccuracy. Rd1 was best. } { [%clk 0:27:50] } 46. Nc4 { [%eval 3.13] [%clk 0:25:44] } 46... Bh1 { [%eval 3.35] [%clk 0:22:31] } 47. Rb8 { [%eval 3.92] [%clk 0:25:50] } 47... Ke7?! { [%eval 6.09] } { Inaccuracy. Rd7 was best. } { [%clk 0:22:51] } 48. Rxd8 { [%eval 6.87] [%clk 0:25:02] } 48... Kxd8 { [%eval 6.55] [%clk 0:23:19] } 49. Nb6?! { [%eval 4.1] } { Inaccuracy. Ne5 was best. } { [%clk 0:23:50] } 49... Kc7 { [%eval 4.39] [%clk 0:23:36] } 50. a8=Q { [%eval 4.11] [%clk 0:24:16] } 50... Bxa8 { [%eval 4.32] [%clk 0:24:02] } 51. Nxa8+ { [%eval 4.3] [%clk 0:24:43] } 51... Kc6 { [%eval 4.23] [%clk 0:24:27] } 52. Ke4 { [%eval 4.21] [%clk 0:24:52] } 52... f6 { [%eval 4.31] [%clk 0:24:48] } 53. Kd4 { [%eval 4.1] [%clk 0:25:20] } 53... Kb7? { [%eval 8.43] } { Mistake. Kd6 was best. } { [%clk 0:24:50] } 54. Kc5 { [%eval 9.2] [%clk 0:25:46] } 1-0