Event: Round 8: Perez Gormaz, Matias - Jacobson, Brandon
Date: 2025-05-28
White: Perez Gormaz, Matias
WhiteTitle: IM
WhiteElo: 2408
Black: Jacobson, Brandon
BlackTitle: GM
BlackElo: 2582
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:26:07] } 1... c5 { [%eval 0.25] [%clk 1:25:29] } 2. Nf3 { [%eval 0.2] [%clk 1:26:20] } 2... Nc6 { [%eval 0.25] [%clk 1:25:52] } 3. Bb5 { [%eval 0.17] [%clk 1:25:03] } 3... d6 { [%eval 0.37] [%clk 1:25:36] } 4. O-O { [%eval 0.35] [%clk 1:25:12] } 4... Bd7 { [%eval 0.34] [%clk 1:26:00] } 5. Re1 { [%eval 0.33] [%clk 1:25:26] } 5... Nf6 { [%eval 0.42] [%clk 1:26:19] } 6. c3 { [%eval 0.39] [%clk 1:23:28] } 6... a6 { [%eval 0.41] [%clk 1:26:36] } 7. Bf1 { [%eval 0.37] [%clk 1:21:57] } 7... Bg4 { [%eval 0.37] [%clk 1:26:35] } 8. h3 { [%eval 0.42] [%clk 1:22:21] } 8... Bxf3 { [%eval 0.35] [%clk 1:26:40] } 9. Qxf3 { [%eval 0.47] [%clk 1:22:44] } 9... e6 { [%eval 0.47] [%clk 1:27:04] } 10. d3 { [%eval 0.44] [%clk 1:22:26] } 10... Be7 { [%eval 0.44] [%clk 1:26:55] } 11. Nd2 { [%eval 0.31] [%clk 1:22:41] } 11... O-O { [%eval 0.35] [%clk 1:26:57] } 12. Qd1 { [%eval 0.41] [%clk 1:19:26] } 12... b5 { [%eval 0.41] [%clk 1:24:34] } 13. a3 { [%eval 0.31] [%clk 1:19:47] } 13... Qb6 { [%eval 0.35] [%clk 1:16:22] } 14. Nf3 { [%eval 0.28] [%clk 1:16:25] } 14... Rfd8 { [%eval 0.47] [%clk 1:15:41] } 15. Bf4 { [%eval 0.18] [%clk 1:09:03] } 15... Rac8 { [%eval 0.21] [%clk 1:04:18] } 16. g3 { [%eval 0.19] [%clk 1:02:28] } 16... a5 { [%eval 0.19] [%clk 0:55:51] } 17. a4 { [%eval 0.25] [%clk 0:59:53] } 17... b4 { [%eval 0.26] [%clk 0:56:07] } 18. Rb1 { [%eval 0.12] [%clk 0:54:34] } 18... Qa7 { [%eval 0.17] [%clk 0:55:34] } 19. Bg2 { [%eval 0.07] [%clk 0:28:52] } 19... d5 { [%eval 0.06] [%clk 0:53:29] } 20. e5 { [%eval 0.04] [%clk 0:28:57] } 20... Nd7 { [%eval 0.11] [%clk 0:53:53] } 21. h4 { [%eval 0.01] [%clk 0:29:12] } 21... c4 { [%eval 0.43] [%clk 0:45:02] } 22. d4 { [%eval 0.47] [%clk 0:27:59] } 22... Rb8 { [%eval 0.46] [%clk 0:45:21] } 23. Ng5?! { [%eval -0.51] } { Inaccuracy. Ra1 was best. } { [%clk 0:25:25] } 23... bxc3 { [%eval 0.0] [%clk 0:37:32] } 24. bxc3 { [%eval 0.0] [%clk 0:25:16] } 24... Rxb1 { [%eval 0.0] [%clk 0:37:50] } 25. Qxb1 { [%eval 0.0] [%clk 0:25:40] } 25... Nf8 { [%eval -0.01] [%clk 0:38:16] } 26. Qd1 { [%eval -0.18] [%clk 0:22:52] } 26... Rb8 { [%eval 0.0] [%clk 0:36:31] } 27. Qh5? { [%eval -1.35] } { Mistake. Bxd5 was best. } { [%clk 0:20:32] } 27... Nd8 { [%eval -1.25] [%clk 0:30:48] } 28. Re3?! { [%eval -2.27] } { Inaccuracy. Qe2 was best. } { [%clk 0:17:37] } 28... Qb7 { [%eval -1.74] [%clk 0:30:29] } 29. Kh2 { [%eval -2.22] [%clk 0:12:19] } 29... Qb2 { [%eval -2.21] [%clk 0:16:08] } 30. Rf3 { [%eval -2.39] [%clk 0:10:54] } 30... Qc2 { [%eval -2.38] [%clk 0:12:15] } 31. Be3 { [%eval -2.23] [%clk 0:02:17] } 31... Qg6 { [%eval -2.35] [%clk 0:11:32] } 32. Qg4 { [%eval -2.11] [%clk 0:02:43] } 32... h5 { [%eval -2.3] [%clk 0:11:32] } 33. Qf4 { [%eval -2.95] [%clk 0:03:02] } 33... Rb3 { [%eval -2.89] [%clk 0:11:46] } 34. Bc1 { [%eval -3.55] [%clk 0:03:24] } 34... Rb1?! { [%eval -2.64] } { Inaccuracy. Qc2 was best. } { [%clk 0:10:06] } 35. Bd2?! { [%eval -4.05] } { Inaccuracy. Be3 was best. } { [%clk 0:01:24] } 35... Rb2?! { [%eval -2.8] } { Inaccuracy. Qc2 was best. } { [%clk 0:10:16] } 36. Nh3?! { [%eval -4.19] } { Inaccuracy. Bc1 was best. } { [%clk 0:01:19] } 36... Qg4?! { [%eval -3.08] } { Inaccuracy. Qc2 was best. } { [%clk 0:08:38] } 37. Qe3 { [%eval -3.53] [%clk 0:01:43] } 37... Qe4 { [%eval -3.4] [%clk 0:08:05] } 38. Be1 { [%eval -3.78] [%clk 0:00:40] } 38... Qxe3? { [%eval -1.94] } { Mistake. Qc2 was best. } { [%clk 0:07:06] } 39. Rxe3? { [%eval -3.38] } { Mistake. fxe3 was best. } { [%clk 0:01:05] } 39... Nd7 { [%eval -3.25] [%clk 0:06:48] } 40. Nf4 { [%eval -3.61] [%clk 0:01:28] } 40... Nb6 { [%eval -3.5] [%clk 0:06:58] } 41. Kg1?! { [%eval -4.53] } { Inaccuracy. Bf3 was best. } { [%clk 0:00:35] } 41... Nxa4 { [%eval -4.3] [%clk 0:06:03] } 42. Kf1 { [%eval -4.49] [%clk 0:00:33] } 42... Rb1 { [%eval -4.5] [%clk 0:04:58] } 43. Ke2 { [%eval -5.46] [%clk 0:00:35] } 43... Nb6 { [%eval -5.48] [%clk 0:05:15] } 44. Kd2 { [%eval -5.0] [%clk 0:00:55] } 44... a4 { [%eval -5.57] [%clk 0:05:41] } 45. Kc2 { [%eval -5.5] [%clk 0:01:20] } 45... Rb3 { [%eval -5.45] [%clk 0:06:06] } 46. Re2 { [%eval -5.64] [%clk 0:00:58] } 46... Ba3 { [%eval -5.62] [%clk 0:04:58] } 47. Rd2 { [%eval -6.5] [%clk 0:00:47] } 47... Bb2 { [%eval -6.28] [%clk 0:04:23] } 48. Ne2 { [%eval -7.2] [%clk 0:01:12] } 48... a3 { [%eval -7.04] [%clk 0:04:44] } 0-1