Event: Round 1: Barbosa, Oliver - Subervi, Jonathan Sigfredo
Date: 2025-05-22
White: Barbosa, Oliver
WhiteTitle: GM
WhiteElo: 2430
Black: Subervi, Jonathan Sigfredo
BlackTitle: FM
BlackElo: 2039
Result: 1-0
ECO: D11
Opening: Slav Defense: Quiet Variation, Pin Defense
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:30:54] } 1... d5 { [%eval 0.18] [%clk 1:21:40] } 2. d4 { [%eval 0.08] [%clk 1:31:01] } 2... Nf6 { [%eval 0.11] [%clk 1:20:31] } 3. c4 { [%eval 0.22] [%clk 1:31:17] } 3... c6 { [%eval 0.24] [%clk 1:17:51] } 4. e3 { [%eval 0.15] [%clk 1:31:27] } 4... Bg4 { [%eval 0.21] [%clk 1:16:06] } 5. Qb3 { [%eval 0.2] [%clk 1:30:42] } 5... Bxf3 { [%eval 0.74] [%clk 1:14:36] } 6. gxf3?! { [%eval 0.16] } { Inaccuracy. Qxb7 was best. } { [%clk 1:29:50] } 6... Qc7 { [%eval 0.5] [%clk 1:11:10] } 7. Nc3 { [%eval 0.33] [%clk 1:29:56] } 7... e6 { [%eval 0.29] [%clk 1:11:35] } 8. e4 { [%eval 0.58] [%clk 1:29:48] } 8... dxe4 { [%eval 0.85] [%clk 1:02:23] } 9. fxe4 { [%eval 0.81] [%clk 1:30:02] } 9... e5 { [%eval 0.81] [%clk 1:02:40] } 10. d5 { [%eval 0.85] [%clk 1:23:22] } 10... Nbd7 { [%eval 1.06] [%clk 1:01:26] } 11. Rg1 { [%eval 1.07] [%clk 1:23:06] } 11... g6 { [%eval 0.91] [%clk 0:55:53] } 12. Be3?! { [%eval 0.27] } { Inaccuracy. Qc2 was best. } { [%clk 1:14:15] } 12... Bc5 { [%eval 0.24] [%clk 0:49:44] } 13. Bxc5 { [%eval 0.23] [%clk 1:09:11] } 13... Nxc5 { [%eval 0.26] [%clk 0:50:11] } 14. Qa3?! { [%eval -0.65] } { Inaccuracy. Qc2 was best. } { [%clk 1:09:34] } 14... Ncxe4 { [%eval -0.62] [%clk 0:45:44] } 15. Nxe4 { [%eval -0.66] [%clk 1:07:37] } 15... Nxe4 { [%eval -0.69] [%clk 0:44:32] } 16. O-O-O { [%eval -1.01] [%clk 1:03:05] } 16... O-O-O?! { [%eval -0.17] } { Inaccuracy. cxd5 was best. } { [%clk 0:35:49] } 17. f3 { [%eval -0.11] [%clk 0:51:12] } 17... Nd6 { [%eval -0.01] [%clk 0:22:34] } 18. Qxa7 { [%eval 0.0] [%clk 0:50:41] } 18... c5 { [%eval -0.02] [%clk 0:20:31] } 19. Bd3 { [%eval -0.39] [%clk 0:42:05] } 19... b5?! { [%eval 0.18] } { Inaccuracy. Kd7 was best. } { [%clk 0:13:49] } 20. Qa6+ { [%eval 0.07] [%clk 0:40:17] } 20... Qb7 { [%eval 0.09] [%clk 0:14:15] } 21. cxb5 { [%eval 0.16] [%clk 0:40:36] } 21... c4 { [%eval 0.23] [%clk 0:14:15] } 22. Be2 { [%eval 0.0] [%clk 0:38:10] } 22... Rhe8?! { [%eval 0.86] } { Inaccuracy. Qxa6 was best. } { [%clk 0:08:57] } 23. Qa5?! { [%eval 0.0] } { Inaccuracy. b3 was best. } { [%clk 0:32:08] } 23... Kd7 { [%eval 0.0] [%clk 0:05:44] } 24. Kb1 { [%eval 0.0] [%clk 0:29:29] } 24... Ra8 { [%eval 0.0] [%clk 0:03:47] } 25. Qb4 { [%eval 0.0] [%clk 0:29:55] } 25... Rec8 { [%eval 0.0] [%clk 0:02:30] } 26. Rc1 { [%eval 0.0] [%clk 0:28:21] } 26... Qa7 { [%eval -0.02] [%clk 0:02:11] } 27. a3 { [%eval -0.05] [%clk 0:28:08] } 27... Qe3 { [%eval 0.24] [%clk 0:01:36] } 28. Rge1 { [%eval 0.14] [%clk 0:27:58] } 28... Qf4?? { [%eval 3.48] } { Blunder. Qc5 was best. } { [%clk 0:01:04] } 29. b6 { [%eval 3.46] [%clk 0:27:57] } 29... Rab8 { [%eval 4.07] [%clk 0:01:08] } 30. Bd1 { [%eval 4.26] [%clk 0:26:23] } 30... Qd4?! { [%eval 6.11] } { Inaccuracy. Qxh2 was best. } { [%clk 0:01:18] } 31. Ba4+ { [%eval 6.08] [%clk 0:24:48] } 31... Ke7 { [%eval 6.13] [%clk 0:01:46] } 32. Rxe5+ { [%eval 6.05] [%clk 0:24:48] } 32... Qxe5 { [%eval 6.02] [%clk 0:00:44] } 33. Re1 { [%eval 6.05] [%clk 0:25:12] } 33... f6 { [%eval 5.96] [%clk 0:00:32] } 34. f4 { [%eval 6.21] [%clk 0:24:10] } 34... Qxe1+ { [%eval 6.21] [%clk 0:00:54] } 35. Qxe1+ { [%eval 6.04] [%clk 0:24:37] } 35... Kf8 { [%eval 6.01] [%clk 0:01:14] } 36. Qb4 { [%eval 5.71] [%clk 0:24:54] } 1-0