Event: Round 4: Christopher Yoo - Peter Prohaszka
Date: 2021-05-29
White: Christopher Yoo
WhiteTitle: IM
Black: Peter Prohaszka
BlackTitle: GM
Result: 1-0
ECO: D37
Opening: Queen's Gambit Declined: Three Knights Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:51] } 1... d5 { [%eval 0.27] [%clk 1:30:26] } 2. c4 { [%eval 0.0] [%clk 1:31:15] } 2... e6 { [%eval 0.09] [%clk 1:30:51] } 3. Nc3 { [%eval 0.23] [%clk 1:31:40] } 3... Nf6 { [%eval 0.4] [%clk 1:31:18] } 4. Nf3 { [%eval 0.0] [%clk 1:32:05] } 4... a6 { [%eval 0.39] [%clk 1:31:38] } 5. cxd5 { [%eval 0.5] [%clk 1:32:24] } 5... exd5 { [%eval 0.33] [%clk 1:32:03] } 6. Bg5 { [%eval 0.29] [%clk 1:32:47] } 6... Be6 { [%eval 0.44] [%clk 1:32:26] } 7. Qb3 { [%eval 0.12] [%clk 1:33:10] } 7... Nbd7 { [%eval 0.4] [%clk 1:32:14] } 8. e3 { [%eval 0.37] [%clk 1:33:34] } 8... Rb8 { [%eval 0.32] [%clk 1:29:10] } 9. Ne5 { [%eval 0.25] [%clk 1:33:57] } 9... c5? { [%eval 1.41] } { Mistake. Be7 was best. } { [%clk 1:21:22] } 10. Nxd7 { [%eval 1.61] [%clk 1:31:00] } 10... Bxd7 { [%eval 1.47] [%clk 1:15:53] } 11. Bxf6 { [%eval 1.32] [%clk 1:27:09] } 11... Qxf6 { [%eval 1.52] [%clk 1:11:19] } 12. Nxd5 { [%eval 1.37] [%clk 1:26:34] } 12... Qd8? { [%eval 2.92] } { Mistake. Qd6 was best. } { [%clk 0:57:08] } 13. Nb6 { [%eval 2.54] [%clk 1:20:58] } 13... Be7?! { [%eval 3.36] } { Inaccuracy. Be6 was best. } { [%clk 0:51:06] } 14. Rd1 { [%eval 2.98] [%clk 1:16:18] } 14... Qc7?! { [%eval 4.23] } { Inaccuracy. Be6 was best. } { [%clk 0:22:54] } 15. Nxd7 { [%eval 4.09] [%clk 1:12:06] } 15... Qxd7 { [%eval 3.96] [%clk 0:23:15] } 16. dxc5?! { [%eval 2.63] } { Inaccuracy. Bxa6 was best. } { [%clk 1:11:36] } 16... Qc6 { [%eval 2.5] [%clk 0:22:34] } 17. Bc4 { [%eval 2.48] [%clk 1:11:10] } 17... O-O { [%eval 2.48] [%clk 0:22:54] } 18. O-O { [%eval 2.37] [%clk 1:11:01] } 18... Bxc5 { [%eval 2.87] [%clk 0:22:50] } 19. Rd2 { [%eval 2.89] [%clk 1:08:54] } 19... Qf6 { [%eval 2.77] [%clk 0:17:24] } 20. Rc1 { [%eval 2.96] [%clk 1:05:33] } 20... Be7 { [%eval 3.22] [%clk 0:12:33] } 21. Bd5 { [%eval 3.0] [%clk 1:02:10] } 21... Rfc8 { [%eval 3.03] [%clk 0:07:18] } 22. Rdc2 { [%eval 2.92] [%clk 1:00:51] } 22... Rxc2 { [%eval 3.04] [%clk 0:06:57] } 23. Rxc2 { [%eval 3.35] [%clk 1:00:28] } 23... g6 { [%eval 3.14] [%clk 0:01:28] } 24. Rc7 { [%eval 3.09] [%clk 0:58:44] } 24... Kg7 { [%eval 3.41] [%clk 0:00:45] } 25. g3 { [%eval 3.79] [%clk 0:56:17] } 25... b6 { [%eval 3.78] [%clk 0:00:34] } 26. Rc6 { [%eval 3.72] [%clk 0:56:31] } 26... Qf5 { [%eval 3.73] [%clk 0:00:50] } 27. Kg2?! { [%eval 2.54] } { Inaccuracy. Rc7 was best. } { [%clk 0:55:32] } 27... Bd8? { [%eval 4.28] } { Mistake. Qe5 was best. } { [%clk 0:00:36] } 28. a4 { [%eval 4.12] [%clk 0:55:00] } 28... a5 { [%eval 4.21] [%clk 0:01:03] } 29. Qc4 { [%eval 3.61] [%clk 0:54:50] } 29... Be7 { [%eval 4.41] [%clk 0:00:38] } 30. Rc7 { [%eval 4.3] [%clk 0:53:20] } 30... Qf6 { [%eval 4.23] [%clk 0:00:42] } 31. Qe4?! { [%eval 3.18] } { Inaccuracy. h4 was best. } { [%clk 0:51:58] } 31... Kf8?! { [%eval 4.6] } { Inaccuracy. Rd8 was best. } { [%clk 0:00:33] } 32. Rc6 { [%eval 4.84] [%clk 0:52:19] } 32... Bd6 { [%eval 4.75] [%clk 0:00:42] } 33. Qc4 { [%eval 4.6] [%clk 0:52:44] } 33... Kg7 { [%eval 4.26] [%clk 0:00:43] } 34. Qb3?! { [%eval 3.12] } { Inaccuracy. b3 was best. } { [%clk 0:51:56] } 34... Qe5 { [%eval 3.73] [%clk 0:00:42] } 35. f4 { [%eval 3.45] [%clk 0:49:50] } 35... Qe7 { [%eval 3.24] [%clk 0:00:44] } 36. e4?! { [%eval 2.2] } { Inaccuracy. Qc3+ was best. } { [%clk 0:50:16] } 36... Bc5?! { [%eval 3.44] } { Inaccuracy. f5 was best. } { [%clk 0:00:32] } 37. Qc3+ { [%eval 3.41] [%clk 0:47:26] } 37... Kg8 { [%eval 3.61] } 38. f5 { [%eval 3.55] [%clk 0:46:29] } 38... Bd6 { [%eval 3.27] [%clk 0:00:32] } 39. f6? { [%eval 1.86] } { Mistake. Qf3 was best. } { [%clk 0:42:41] } 39... Qe5 { [%eval 2.49] [%clk 0:00:38] } 40. Qd2 { [%eval 2.34] [%clk 0:41:19] } 40... Rd8 { [%eval 2.5] [%clk 0:00:32] } 41. Rxb6 { [%eval 2.57] [%clk 0:40:41] } 41... Bc5 { [%eval 1.61] [%clk 0:00:31] } 42. Qxa5?? { [%eval 0.0] } { Blunder. Ra6 was best. } { [%clk 0:35:27] } 42... Qd4 { [%eval 0.0] [%clk 0:00:31] } 43. Rc6 { [%eval 0.0] [%clk 0:35:14] } 43... Qf2+ { [%eval 0.0] [%clk 0:00:41] } 44. Kh3 { [%eval 0.0] [%clk 0:35:42] } 44... Qf1+ { [%eval 0.0] [%clk 0:00:42] } 45. Kh4 { [%eval 0.0] [%clk 0:36:05] } 45... g5+ { [%eval 0.0] [%clk 0:00:59] } 46. Kxg5 { [%eval 0.0] [%clk 0:36:29] } 46... Be3+?? { [%eval 8.28] } { Blunder. Rxd5+ was best. } { [%clk 0:00:32] } 47. Kh4 { [%eval 8.23] [%clk 0:36:50] } 47... Rf8 { [%eval 8.38] [%clk 0:00:31] } 48. Bxf7+ { [%eval 8.3] [%clk 0:36:23] } 48... Kh8 { [%eval 8.12] [%clk 0:00:46] } 49. Qf5 { [%eval 8.15] [%clk 0:36:24] } 49... Qe2 { [%eval 9.35] [%clk 0:00:49] } 50. Rc8 { [%eval 10.78] [%clk 0:36:22] } 50... Qxh2+ { [%eval 9.59] [%clk 0:00:32] } 51. Kg4 { [%eval 10.28] [%clk 0:36:47] } 51... Bh6 { [%eval 12.07] [%clk 0:00:32] } 52. Rxf8+ { [%eval 9.56] [%clk 0:36:01] } 52... Bxf8 { [%eval 9.69] [%clk 0:01:01] } 53. Bc4 { [%eval 11.08] [%clk 0:36:02] } 53... Qh1?! { [%eval #7] } { Checkmate is now unavoidable. Qd2 was best. } { [%clk 0:01:06] } 54. Qd5 { [%eval #6] [%clk 0:36:05] } 54... h5+ { [%eval #6] [%clk 0:01:10] } 55. Qxh5+ { [%eval #9] [%clk 0:36:29] } 1-0