Event: Round 5: Grigoryan, Karen H. - Diao, Matthew Guo
Date: 2025-02-15
White: Grigoryan, Karen H.
WhiteTitle: GM
WhiteElo: 2554
Black: Diao, Matthew Guo
BlackElo: 2176
Result: 1-0
ECO: D11
Opening: Slav Defense: Modern Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:26:23] } 1... d5 { [%eval 0.24] [%clk 1:30:01] } 2. c4 { [%eval 0.26] [%clk 1:26:22] } 2... c6 { [%eval 0.21] [%clk 1:30:18] } 3. Nf3 { [%eval 0.18] [%clk 1:26:46] } 3... Nf6 { [%eval 0.24] [%clk 1:30:40] } 4. Qc2 { [%eval 0.13] [%clk 1:27:02] } 4... dxc4 { [%eval 0.13] [%clk 1:30:54] } 5. Qxc4 { [%eval 0.12] [%clk 1:27:27] } 5... Bg4 { [%eval 0.22] [%clk 1:31:16] } 6. Nbd2 { [%eval 0.18] [%clk 1:27:36] } 6... Nbd7 { [%eval 0.21] [%clk 1:31:37] } 7. g3 { [%eval 0.15] [%clk 1:28:00] } 7... e6 { [%eval 0.24] [%clk 1:31:55] } 8. Bg2 { [%eval 0.23] [%clk 1:28:25] } 8... Be7 { [%eval 0.23] [%clk 1:32:16] } 9. O-O { [%eval 0.11] [%clk 1:28:49] } 9... O-O { [%eval 0.19] [%clk 1:32:40] } 10. Ne5 { [%eval 0.1] [%clk 1:25:34] } 10... Bh5 { [%eval 0.13] [%clk 1:28:51] } 11. Nxd7 { [%eval 0.0] [%clk 1:25:53] } 11... Nxd7 { [%eval 0.0] [%clk 1:25:29] } 12. Nf3 { [%eval 0.0] [%clk 1:26:01] } 12... Rc8 { [%eval 0.05] [%clk 1:17:14] } 13. Qa4 { [%eval -0.05] [%clk 1:21:50] } 13... Qb6 { [%eval 0.0] [%clk 1:07:13] } 14. Rd1 { [%eval -0.01] [%clk 1:21:43] } 14... Rfd8 { [%eval 0.0] [%clk 1:06:28] } 15. Bd2 { [%eval 0.01] [%clk 1:18:47] } 15... c5 { [%eval 0.19] [%clk 0:55:57] } 16. b3 { [%eval 0.28] [%clk 1:13:59] } 16... Qc6 { [%eval 0.4] [%clk 0:52:07] } 17. Qxc6 { [%eval 0.22] [%clk 1:13:42] } 17... Rxc6 { [%eval 0.27] [%clk 0:52:17] } 18. Rac1 { [%eval 0.29] [%clk 1:09:08] } 18... Nf6?! { [%eval 1.06] } { Inaccuracy. cxd4 was best. } { [%clk 0:44:07] } 19. Be3?! { [%eval 0.05] } { Inaccuracy. Ne5 was best. } { [%clk 1:07:01] } 19... Nd5 { [%eval 0.36] [%clk 0:27:40] } 20. dxc5 { [%eval 0.38] [%clk 1:05:21] } 20... Nxe3 { [%eval 0.35] [%clk 0:18:35] } 21. Rxd8+ { [%eval 0.31] [%clk 1:05:27] } 21... Bxd8 { [%eval 0.39] [%clk 0:19:01] } 22. fxe3 { [%eval 0.38] [%clk 1:05:49] } 22... Be7? { [%eval 1.81] } { Mistake. Bxf3 was best. } { [%clk 0:19:07] } 23. b4?! { [%eval 0.91] } { Inaccuracy. g4 was best. } { [%clk 1:06:03] } 23... Bxf3 { [%eval 0.82] [%clk 0:16:46] } 24. Bxf3 { [%eval 0.78] [%clk 1:06:23] } 24... Rc7 { [%eval 0.85] [%clk 0:17:12] } 25. a3?! { [%eval 0.14] } { Inaccuracy. Kf2 was best. } { [%clk 1:04:33] } 25... b6 { [%eval 0.13] [%clk 0:16:17] } 26. c6 { [%eval 0.24] [%clk 1:04:46] } 26... Kf8 { [%eval 0.14] [%clk 0:16:39] } 27. Rd1 { [%eval 0.15] [%clk 1:03:20] } 27... Bf6 { [%eval 0.39] [%clk 0:16:36] } 28. b5 { [%eval 0.43] [%clk 1:03:33] } 28... Ke7 { [%eval 0.41] [%clk 0:16:39] } 29. a4 { [%eval 0.18] [%clk 1:03:49] } 29... Be5 { [%eval 0.25] [%clk 0:16:53] } 30. Be4 { [%eval 0.27] [%clk 1:01:19] } 30... h6 { [%eval 0.29] [%clk 0:16:54] } 31. Kg2 { [%eval 0.3] [%clk 1:01:04] } 31... Bd6 { [%eval 0.31] [%clk 0:16:36] } 32. g4 { [%eval 0.34] [%clk 1:01:01] } 32... g5 { [%eval 0.32] [%clk 0:15:48] } 33. Ra1 { [%eval 0.39] [%clk 0:58:54] } 33... Be5 { [%eval 0.42] [%clk 0:15:34] } 34. Ra3 { [%eval 0.46] [%clk 0:57:44] } 34... Bd6 { [%eval 0.4] [%clk 0:15:58] } 35. Ra2 { [%eval 0.28] [%clk 0:58:05] } 35... Bc5 { [%eval 0.33] [%clk 0:15:15] } 36. Kf3 { [%eval 0.34] [%clk 0:58:05] } 36... Bb4 { [%eval 0.37] [%clk 0:15:04] } 37. Ra1 { [%eval 0.51] [%clk 0:57:30] } 37... Bc3 { [%eval 0.3] [%clk 0:15:26] } 38. Rh1 { [%eval 0.36] [%clk 0:56:46] } 38... Bf6 { [%eval 0.37] [%clk 0:15:52] } 39. Bd3 { [%eval 0.44] [%clk 0:57:03] } 39... Ke8 { [%eval 0.4] [%clk 0:16:03] } 40. Ke4 { [%eval 0.43] [%clk 0:57:18] } 40... Ke7 { [%eval 0.46] [%clk 0:16:24] } 41. Bc4 { [%eval 0.43] [%clk 0:56:48] } 41... Rc8 { [%eval 0.42] [%clk 0:16:27] } 42. Rc1 { [%eval 0.28] [%clk 0:56:49] } 42... Rc7 { [%eval 0.41] [%clk 0:16:42] } 43. Kd3 { [%eval 0.35] [%clk 0:56:27] } 43... Be5 { [%eval 0.37] [%clk 0:16:26] } 44. h3 { [%eval 0.39] [%clk 0:56:45] } 44... Bb2 { [%eval 0.37] [%clk 0:16:12] } 45. Rb1 { [%eval 0.4] [%clk 0:57:07] } 45... Be5 { [%eval 0.53] [%clk 0:16:33] } 46. Kc2 { [%eval 0.28] [%clk 0:56:48] } 46... Bf6 { [%eval 0.48] [%clk 0:13:17] } 47. Rb3 { [%eval 0.48] [%clk 0:56:27] } 47... Be5 { [%eval 0.44] [%clk 0:13:39] } 48. Rb1 { [%eval 0.38] [%clk 0:54:24] } 48... Bf6 { [%eval 0.54] [%clk 0:14:03] } 49. Kb3 { [%eval 0.43] [%clk 0:54:50] } 49... Be5 { [%eval 0.56] [%clk 0:12:23] } 50. Rd1 { [%eval 0.51] [%clk 0:55:02] } 50... Bf6 { [%eval 0.84] [%clk 0:11:40] } 51. Rd3 { [%eval 0.38] [%clk 0:54:33] } 51... Be5 { [%eval 0.53] [%clk 0:10:31] } 52. a5 { [%eval 0.47] [%clk 0:54:18] } 52... bxa5? { [%eval 2.08] } { Mistake. Bd6 was best. } { [%clk 0:10:32] } 53. Ka4 { [%eval 2.06] [%clk 0:54:42] } 53... Bd6 { [%eval 1.97] [%clk 0:08:54] } 54. Kxa5 { [%eval 2.08] [%clk 0:55:02] } 54... Bc5 { [%eval 2.62] [%clk 0:08:23] } 55. Ka6 { [%eval 2.44] [%clk 0:55:19] } 55... Bb6 { [%eval 1.95] [%clk 0:08:19] } 56. Bb3 { [%eval 2.12] [%clk 0:54:44] } 56... Bc5 { [%eval 1.95] [%clk 0:08:43] } 57. Bc2 { [%eval 1.82] [%clk 0:55:06] } 57... Bb6?! { [%eval 2.49] } { Inaccuracy. Bb4 was best. } { [%clk 0:08:50] } 58. Rc3? { [%eval 1.11] } { Mistake. e4 was best. } { [%clk 0:55:18] } 58... Kd6 { [%eval 1.16] [%clk 0:07:04] } 59. Rd3+ { [%eval 1.23] [%clk 0:55:21] } 59... Ke7?! { [%eval 2.1] } { Inaccuracy. Ke5 was best. } { [%clk 0:07:33] } 60. e4 { [%eval 1.87] [%clk 0:55:37] } 60... e5? { [%eval 3.87] } { Mistake. Bg1 was best. } { [%clk 0:04:44] } 61. e3 { [%eval 3.73] [%clk 0:52:14] } 61... f6 { [%eval 3.83] [%clk 0:04:35] } 62. Bb3 { [%eval 4.1] [%clk 0:52:39] } 62... Bc5 { [%eval 3.97] [%clk 0:04:49] } 63. Ka5 { [%eval 3.89] [%clk 0:53:05] } 63... Bd6?! { [%eval 5.36] } { Inaccuracy. Bb6+ was best. } { [%clk 0:02:55] } 64. Rc3 { [%eval 5.34] [%clk 0:52:52] } 64... Rc8 { [%eval 6.02] [%clk 0:02:53] } 65. Ka6 { [%eval 5.98] [%clk 0:53:12] } 65... Rc7 { [%eval 5.92] [%clk 0:02:58] } 66. b6 { [%eval 5.9] [%clk 0:52:30] } 66... axb6 { [%eval 5.63] [%clk 0:03:27] } 67. Kxb6 { [%eval 6.19] [%clk 0:52:54] } 67... Kd8 { [%eval 6.08] [%clk 0:01:53] } 68. Rd3 { [%eval 6.04] [%clk 0:53:18] } 68... Ke7 { [%eval 6.0] [%clk 0:02:18] } 69. Bc4 { [%eval 5.93] [%clk 0:53:32] } 69... Rc8 { [%eval 5.56] [%clk 0:02:18] } 70. Ba6 { [%eval 5.19] [%clk 0:53:55] } 70... Rc7 { [%eval 6.15] [%clk 0:02:35] } 71. Rd2 { [%eval 6.19] [%clk 0:53:53] } 71... Ke6 { [%eval 6.12] [%clk 0:02:56] } 72. Ra2 { [%eval 6.46] [%clk 0:54:11] } 72... Kf7 { [%eval 8.1] [%clk 0:02:28] } 73. Bc4+ { [%eval 7.94] [%clk 0:54:30] } 73... Kg7 { [%eval 8.19] [%clk 0:00:49] } 74. Rd2 { [%eval 7.79] [%clk 0:54:48] } 1-0