Event: Round 4: Serena Yuan - Hector Gustavo Maass
Date: 2024-02-18
White: Serena Yuan
Black: Hector Gustavo Maass
Result: 1/2-1/2
ECO: D79
Opening: Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation
Variant: Standard

1. d4 { [%eval 0.15] [%clk 1:30:44] } 1... Nf6 { [%eval 0.16] [%clk 1:29:41] } 2. Nf3 { [%eval 0.15] [%clk 1:30:58] } 2... d5 { [%eval 0.12] [%clk 1:28:41] } 3. g3 { [%eval 0.0] [%clk 1:31:16] } 3... g6 { [%eval 0.13] [%clk 1:28:53] } 4. Bg2 { [%eval 0.12] [%clk 1:31:39] } 4... Bg7 { [%eval 0.25] [%clk 1:29:11] } 5. O-O { [%eval 0.14] [%clk 1:31:43] } 5... O-O { [%eval 0.07] [%clk 1:29:37] } 6. c4 { [%eval 0.11] [%clk 1:32:02] } 6... c6 { [%eval 0.11] [%clk 1:29:56] } 7. cxd5 { [%eval 0.14] [%clk 1:32:08] } 7... cxd5 { [%eval 0.22] [%clk 1:30:16] } 8. Nc3 { [%eval 0.23] [%clk 1:32:20] } 8... Nc6 { [%eval 0.15] [%clk 1:30:13] } 9. Ne5 { [%eval 0.34] [%clk 1:32:34] } 9... Be6 { [%eval 0.41] [%clk 1:27:06] } 10. Nxc6 { [%eval 0.32] [%clk 1:32:28] } 10... bxc6 { [%eval 0.38] [%clk 1:27:21] } 11. Na4 { [%eval 0.34] [%clk 1:32:35] } 11... Nd7 { [%eval 0.3] [%clk 1:26:34] } 12. Bf4 { [%eval 0.36] [%clk 1:32:11] } 12... Qa5 { [%eval 0.39] [%clk 1:25:53] } 13. a3 { [%eval 0.3] [%clk 1:30:17] } 13... Bf5 { [%eval 0.34] [%clk 1:24:16] } 14. b4 { [%eval 0.11] [%clk 1:29:40] } 14... Qb5 { [%eval 0.5] [%clk 1:23:41] } 15. Be3?! { [%eval -0.3] } { Inaccuracy. Rc1 was best. } { [%clk 1:28:01] } 15... Nb6 { [%eval -0.32] [%clk 1:12:19] } 16. Nxb6 { [%eval -0.36] [%clk 1:21:04] } 16... axb6 { [%eval -0.4] [%clk 1:12:17] } 17. Qd2 { [%eval -0.42] [%clk 1:19:04] } 17... Ra7 { [%eval -0.41] [%clk 1:10:45] } 18. Rfc1 { [%eval -0.46] [%clk 1:16:08] } 18... Rfa8 { [%eval -0.52] [%clk 1:08:05] } 19. Qc3 { [%eval -0.36] [%clk 1:14:06] } 19... Bd7 { [%eval -0.45] [%clk 1:05:09] } 20. Bf1 { [%eval -0.4] [%clk 1:11:42] } 20... Ra4 { [%eval -0.38] [%clk 0:59:37] } 21. Bg5?! { [%eval -1.02] } { Inaccuracy. Bh6 was best. } { [%clk 1:06:03] } 21... c5 { [%eval -0.81] [%clk 0:52:17] } 22. bxc5? { [%eval -2.19] } { Mistake. e4 was best. } { [%clk 1:01:05] } 22... bxc5?? { [%eval 0.0] } { Blunder. Bxd4 was best. } { [%clk 0:45:36] } 23. Rab1 { [%eval 0.0] [%clk 0:56:59] } 23... Qa6?! { [%eval 1.07] } { Inaccuracy. Bxd4 was best. } { [%clk 0:32:24] } 24. Qxc5 { [%eval 1.1] [%clk 0:53:24] } 24... Qe6 { [%eval 1.58] [%clk 0:27:02] } 25. Qxe7?! { [%eval 0.48] } { Inaccuracy. Bg2 was best. } { [%clk 0:45:24] } 25... Qf5?! { [%eval 1.05] } { Inaccuracy. Rxd4 was best. } { [%clk 0:24:36] } 26. Rb7 { [%eval 0.75] [%clk 0:40:45] } 26... Be6 { [%eval 0.82] [%clk 0:22:19] } 27. Rcb1 { [%eval 0.82] [%clk 0:37:48] } 27... h6 { [%eval 0.76] [%clk 0:19:04] } 28. Rb8+ { [%eval 0.54] [%clk 0:32:20] } 28... Kh7 { [%eval 0.53] [%clk 0:15:10] } 29. Bc1 { [%eval 0.0] [%clk 0:24:58] } 29... g5?! { [%eval 0.65] } { Inaccuracy. Bxd4 was best. } { [%clk 0:11:49] } 30. e3 { [%eval 0.18] [%clk 0:18:24] } 30... Qc2?? { [%eval 2.33] } { Blunder. Rxb8 was best. } { [%clk 0:09:27] } 31. Rxa8 { [%eval 2.36] [%clk 0:17:01] } 31... Rxa8 { [%eval 2.38] [%clk 0:07:38] } 32. Qb7 { [%eval 2.46] [%clk 0:16:07] } 32... Rc8 { [%eval 2.55] [%clk 0:06:49] } 33. Qb2?! { [%eval 1.85] } { Inaccuracy. Ra1 was best. } { [%clk 0:14:08] } 33... Qe4 { [%eval 2.34] [%clk 0:06:13] } 34. Ra1 { [%eval 1.93] [%clk 0:11:21] } 34... Bf5?! { [%eval 2.76] } { Inaccuracy. Rc2 was best. } { [%clk 0:05:33] } 35. Bg2 { [%eval 2.61] [%clk 0:10:31] } 35... Qd3 { [%eval 2.68] [%clk 0:04:52] } 36. Qd2?! { [%eval 1.86] } { Inaccuracy. Bf1 was best. } { [%clk 0:09:59] } 36... Qb3 { [%eval 1.58] [%clk 0:05:10] } 37. a4 { [%eval 1.54] [%clk 0:08:31] } 37... Rc2? { [%eval 3.05] } { Mistake. Bf8 was best. } { [%clk 0:05:25] } 38. Qe1?! { [%eval 1.92] } { Inaccuracy. Qd1 was best. } { [%clk 0:07:51] } 38... Bd3? { [%eval 3.37] } { Mistake. Bf8 was best. } { [%clk 0:04:47] } 39. Bf1?! { [%eval 2.24] } { Inaccuracy. Bf3 was best. } { [%clk 0:06:53] } 39... Bxf1?! { [%eval 3.29] } { Inaccuracy. Be4 was best. } { [%clk 0:03:08] } 40. Qxf1 { [%eval 3.32] [%clk 0:05:42] } 40... Qc3 { [%eval 3.76] [%clk 0:03:19] } 41. Ba3 { [%eval 3.82] [%clk 0:05:45] } 41... Bf6?! { [%eval 4.94] } { Inaccuracy. f5 was best. } { [%clk 0:02:21] } 42. Bc5?! { [%eval 3.64] } { Inaccuracy. a5 was best. } { [%clk 0:05:11] } 42... Qb2?! { [%eval 5.02] } { Inaccuracy. Bd8 was best. } { [%clk 0:02:06] } 43. Ba3 { [%eval 4.79] [%clk 0:04:08] } 43... Qc3 { [%eval 4.79] [%clk 0:02:06] } 44. Rc1 { [%eval 3.99] [%clk 0:02:18] } 44... Bd8 { [%eval 3.83] [%clk 0:01:29] } 45. Rxc2 { [%eval 4.01] [%clk 0:02:07] } 45... Qxc2 { [%eval 3.55] [%clk 0:01:56] } 46. Qb5 { [%eval 4.14] [%clk 0:02:10] } 46... Kg7 { [%eval 4.32] [%clk 0:01:15] } 47. Bd6 { [%eval 4.2] [%clk 0:01:10] } 47... g4 { [%eval 4.2] [%clk 0:01:25] } 48. Qxd5 { [%eval 4.14] [%clk 0:00:54] } 48... Qxa4 { [%eval 4.46] [%clk 0:01:18] } 49. Be5+ { [%eval 4.3] [%clk 0:00:43] } 49... f6 { [%eval 4.29] [%clk 0:01:38] } 50. Bf4 { [%eval 4.48] [%clk 0:00:35] } 50... Ba5 { [%eval 5.08] [%clk 0:01:42] } 51. Qg2?! { [%eval 3.53] } { Inaccuracy. h4 was best. } { [%clk 0:00:39] } 51... Qd1+ { [%eval 3.09] [%clk 0:01:39] } 52. Qf1 { [%eval 3.2] [%clk 0:01:07] } 52... Qf3 { [%eval 3.8] [%clk 0:01:50] } 53. h3 { [%eval 3.69] [%clk 0:01:23] } 53... h5 { [%eval 3.63] [%clk 0:02:19] } 54. hxg4 { [%eval 3.85] [%clk 0:01:25] } 54... hxg4 { [%eval 3.92] [%clk 0:02:47] } 55. Qg2 { [%eval 3.33] [%clk 0:01:18] } 55... Qd1+ { [%eval 3.47] [%clk 0:03:15] } 56. Kh2 { [%eval 3.01] [%clk 0:01:45] } 56... Qe2 { [%eval 3.41] [%clk 0:03:26] } 57. e4?? { [%eval 0.74] } { Blunder. Kg1 was best. } { [%clk 0:01:14] } 57... Kf7?? { [%eval 4.46] } { Blunder. Bc3 was best. } { [%clk 0:03:39] } 58. Be3?? { [%eval 0.84] } { Blunder. e5 was best. } { [%clk 0:01:00] } 58... Bc3?? { [%eval 4.71] } { Blunder. Bd2 was best. } { [%clk 0:03:46] } 59. d5?? { [%eval 0.61] } { Blunder. e5 was best. } { [%clk 0:00:48] } 59... Be5 { [%eval 0.57] [%clk 0:03:52] } 60. Bc5 { [%eval 0.5] [%clk 0:00:42] } 60... Qc2 { [%eval 0.56] [%clk 0:04:05] } 61. Be3 { [%eval 0.55] [%clk 0:00:46] } 61... Ke7?? { [%eval 3.29] } { Blunder. Qd1 was best. } { [%clk 0:04:34] } 62. f4 { [%eval 3.32] [%clk 0:00:43] } 62... Qd3 { [%eval 4.03] [%clk 0:04:22] } 63. Bc5+?? { [%eval 0.89] } { Blunder. Qd2 was best. } { [%clk 0:00:43] } 63... Bd6 { [%eval 1.0] [%clk 0:04:37] } 64. Bxd6+ { [%eval 1.05] [%clk 0:00:44] } 64... Kxd6 { [%eval 0.98] [%clk 0:05:05] } 65. Kg1?! { [%eval 0.0] } { Inaccuracy. Qb2 was best. } { [%clk 0:00:34] } 65... Qd1+?! { [%eval 0.71] } { Inaccuracy. Ke7 was best. } { [%clk 0:05:27] } 66. Kh2 { [%eval 0.94] [%clk 0:00:35] } 66... Qd3 { [%eval 1.2] [%clk 0:05:55] } 67. Qb2 { [%eval 1.06] [%clk 0:00:41] } 67... Qxe4?! { [%eval 1.65] } { Inaccuracy. Kc5 was best. } { [%clk 0:05:43] } 68. Qxf6+ { [%eval 0.72] [%clk 0:01:02] } 68... Kc5? { [%eval 2.18] } { Mistake. Kxd5 was best. } { [%clk 0:05:39] } 69. Qe6?? { [%eval 0.0] } { Blunder. Qc6+ was best. } { [%clk 0:00:34] } 69... Qc2+ { [%eval 0.0] [%clk 0:05:54] } 70. Kg1 { [%eval 0.0] [%clk 0:00:57] } 70... Qd1+ { [%eval 0.0] [%clk 0:05:57] } 71. Kh2 { [%eval 0.0] [%clk 0:00:35] } 71... Qd2+ { [%eval 0.0] [%clk 0:06:19] } 72. Kg1 { [%eval 0.0] [%clk 0:00:38] } 72... Qd1+ { [%eval 0.0] [%clk 0:06:39] } 73. Kg2 { [%eval 0.0] [%clk 0:00:38] } 73... Qf3+ { [%eval 0.0] [%clk 0:07:03] } 74. Kh2 { [%eval 0.0] [%clk 0:00:36] } 74... Qf2+ { [%eval 0.0] [%clk 0:07:28] } 1/2-1/2