Event: Round 8: Oliver Barbosa - Pedro Espinosa
Date: 2023-05-29
White: Oliver Barbosa
WhiteTitle: GM
Black: Pedro Espinosa
BlackTitle: CM
Result: 1-0
ECO: A07
Opening: King's Indian Attack: Double Fianchetto
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:25:39] } 1... d5 { [%eval 0.34] [%clk 1:30:50] } 2. g3 { [%eval 0.12] [%clk 1:26:03] } 2... g6 { [%eval 0.32] [%clk 1:31:04] } 3. c4 { [%eval 0.0] [%clk 1:26:02] } 3... dxc4 { [%eval 0.0] [%clk 1:30:19] } 4. Na3 { [%eval -0.13] [%clk 1:25:28] } 4... Nc6 { [%eval 0.13] [%clk 1:23:38] } 5. Nxc4 { [%eval 0.0] [%clk 1:25:06] } 5... Bg7 { [%eval 0.0] [%clk 1:23:13] } 6. Bg2 { [%eval 0.0] [%clk 1:25:30] } 6... e5 { [%eval 0.0] [%clk 1:23:04] } 7. d3 { [%eval -0.28] [%clk 1:25:50] } 7... e4 { [%eval 0.0] [%clk 1:18:47] } 8. dxe4 { [%eval -0.06] [%clk 1:23:44] } 8... Qxd1+ { [%eval -0.05] [%clk 1:18:18] } 9. Kxd1 { [%eval -0.11] [%clk 1:24:08] } 9... Be6 { [%eval 0.34] [%clk 1:18:35] } 10. Ne3 { [%eval 0.26] [%clk 1:23:00] } 10... O-O-O+ { [%eval 0.29] [%clk 1:17:08] } 11. Ke1 { [%eval 0.29] [%clk 1:15:43] } 11... h6 { [%eval 0.23] [%clk 1:09:57] } 12. Nd2 { [%eval 0.08] [%clk 1:12:22] } 12... Nb4 { [%eval 0.33] [%clk 1:06:32] } 13. a3 { [%eval 0.41] [%clk 1:11:08] } 13... Na2 { [%eval 0.41] [%clk 1:04:44] } 14. Ndc4 { [%eval -0.04] [%clk 1:06:42] } 14... Nxc1 { [%eval -0.06] [%clk 0:53:56] } 15. Rxc1 { [%eval -0.21] [%clk 1:06:39] } 15... Ne7?! { [%eval 0.52] } { Inaccuracy. b5 was best. } { [%clk 0:46:59] } 16. a4 { [%eval 0.24] [%clk 1:03:48] } 16... Nc6 { [%eval 0.46] [%clk 0:44:29] } 17. f4 { [%eval 0.67] [%clk 1:01:53] } 17... Bd4 { [%eval 0.57] [%clk 0:40:04] } 18. h4 { [%eval 0.53] [%clk 0:55:19] } 18... Na5 { [%eval 0.81] [%clk 0:34:33] } 19. Bh3?! { [%eval 0.06] } { Inaccuracy. b4 was best. } { [%clk 0:54:35] } 19... Bxh3 { [%eval 0.06] [%clk 0:31:12] } 20. Rxh3 { [%eval 0.19] [%clk 0:54:58] } 20... Rhe8 { [%eval 0.58] [%clk 0:29:46] } 21. e5 { [%eval 0.59] [%clk 0:54:05] } 21... f6? { [%eval 2.02] } { Mistake. Nb3 was best. } { [%clk 0:26:18] } 22. h5 { [%eval 2.13] [%clk 0:54:05] } 22... g5 { [%eval 2.52] [%clk 0:24:17] } 23. Nf5 { [%eval 2.47] [%clk 0:52:41] } 23... Nxc4 { [%eval 2.28] [%clk 0:20:54] } 24. Rxc4 { [%eval 2.53] [%clk 0:53:04] } 24... fxe5 { [%eval 2.7] [%clk 0:20:15] } 25. fxg5 { [%eval 2.57] [%clk 0:51:20] } 25... hxg5 { [%eval 2.63] [%clk 0:20:16] } 26. b4 { [%eval 2.46] [%clk 0:49:19] } 26... a6 { [%eval 2.29] [%clk 0:18:21] } 27. e4 { [%eval 2.01] [%clk 0:48:29] } 27... b5 { [%eval 2.1] [%clk 0:17:29] } 28. axb5 { [%eval 2.06] [%clk 0:47:43] } 28... axb5 { [%eval 2.02] [%clk 0:16:53] } 29. Rc2 { [%eval 2.07] [%clk 0:48:08] } 29... Kd7 { [%eval 2.39] [%clk 0:15:41] } 30. h6 { [%eval 2.4] [%clk 0:47:04] } 30... c5?! { [%eval 3.12] } { Inaccuracy. Rh8 was best. } { [%clk 0:11:55] } 31. bxc5? { [%eval 1.77] } { Mistake. Nxd4 was best. } { [%clk 0:47:04] } 31... b4 { [%eval 2.1] [%clk 0:11:58] } 32. Ke2 { [%eval 1.98] [%clk 0:45:04] } 32... b3 { [%eval 1.92] [%clk 0:11:09] } 33. Rc1 { [%eval 2.19] [%clk 0:42:16] } 33... Ra8?! { [%eval 3.5] } { Inaccuracy. g4 was best. } { [%clk 0:09:06] } 34. Rb1?! { [%eval 2.56] } { Inaccuracy. Nxd4 was best. } { [%clk 0:38:03] } 34... Reb8?! { [%eval 3.46] } { Inaccuracy. Rab8 was best. } { [%clk 0:02:53] } 35. Kf3?! { [%eval 2.14] } { Inaccuracy. Nxd4 was best. } { [%clk 0:24:01] } 35... Bxc5?! { [%eval 3.54] } { Inaccuracy. Ra1 was best. } { [%clk 0:01:38] } 36. Kg4 { [%eval 3.11] [%clk 0:23:41] } 36... Ke6 { [%eval 3.88] [%clk 0:00:57] } 37. h7 { [%eval 4.04] [%clk 0:22:15] } 37... b2 { [%eval 4.1] [%clk 0:00:45] } 38. Rh2 { [%eval 3.97] [%clk 0:20:45] } 38... Ba3 { [%eval 3.25] [%clk 0:00:49] } 39. Kxg5 { [%eval 3.95] [%clk 0:18:59] } 39... Rc8?! { [%eval 5.54] } { Inaccuracy. Rh8 was best. } { [%clk 0:01:04] } 40. Rd1 { [%eval 5.04] [%clk 0:17:36] } 40... Rc1?? { [%eval #4] } { Checkmate is now unavoidable. Rg8+ was best. } { [%clk 0:01:05] } 41. Rh6+ { [%eval #3] [%clk 0:17:49] } 41... Kf7 { [%eval #3] [%clk 0:01:18] } 42. Rf6+ { [%eval #2] [%clk 0:18:04] } 1-0