Event: Round 8: Oliver Barbosa - Shelev Oberoi
Site: https://lichess.org/study/r8fFLoFF/Yj2jH9GE
Date: 2023-01-16
White: Oliver Barbosa
WhiteTitle: GM
Black: Shelev Oberoi
Result: 1-0
ECO: A07
Opening: King's Indian Attack
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:30:55] } 1... d5 { [%eval 0.34] [%clk 1:20:22] } 2. g3 { [%eval 0.12] [%clk 1:31:15] } 2... Nc6 { [%eval 0.29] [%clk 1:20:45] } 3. d4 { [%eval 0.25] [%clk 1:30:47] } 3... Bf5 { [%eval 0.34] [%clk 1:21:07] } 4. Bg2 { [%eval 0.36] [%clk 1:30:20] } 4... Nb4 { [%eval 0.29] [%clk 1:21:23] } 5. Na3 { [%eval 0.37] [%clk 1:30:42] } 5... e6 { [%eval 0.49] [%clk 1:21:46] } 6. O-O { [%eval 0.26] [%clk 1:30:35] } 6... Nc6 { [%eval 0.41] [%clk 1:22:07] } 7. c4 { [%eval 0.13] [%clk 1:28:50] } 7... Bxa3 { [%eval 0.1] [%clk 1:22:28] } 8. bxa3 { [%eval -0.12] [%clk 1:28:55] } 8... Be4 { [%eval -0.09] [%clk 1:22:52] } 9. cxd5 { [%eval -0.16] [%clk 1:27:54] } 9... Qxd5 { [%eval -0.03] [%clk 1:13:46] } 10. Bf4?! { [%eval -0.62] } { Inaccuracy. Qa4 was best. } { [%clk 1:27:51] } 10... O-O-O { [%eval -0.5] [%clk 1:08:52] } 11. Rc1 { [%eval -0.51] [%clk 1:25:22] } 11... f6 { [%eval 0.0] [%clk 0:56:24] } 12. Qa4?! { [%eval -0.56] } { Inaccuracy. Bh3 was best. } { [%clk 1:24:24] } 12... g5 { [%eval -0.24] [%clk 0:53:08] } 13. Rc5 { [%eval -0.2] [%clk 1:00:15] } 13... Qxa2 { [%eval 0.0] [%clk 0:44:29] } 14. d5 { [%eval 0.0] [%clk 0:37:10] } 14... Bxd5 { [%eval 0.0] [%clk 0:38:35] } 15. Bxc7 { [%eval 0.0] [%clk 0:26:11] } 15... Kxc7 { [%eval -0.29] [%clk 0:27:37] } 16. Nd4 { [%eval -0.22] [%clk 0:24:09] } 16... Bxg2 { [%eval 0.0] [%clk 0:14:29] } 17. Qa5+?? { [%eval -3.42] } { Blunder. Kxg2 was best. } { [%clk 0:23:07] } 17... Kd7 { [%eval -3.45] [%clk 0:07:47] } 18. Nxc6 { [%eval -3.29] [%clk 0:18:14] } 18... bxc6 { [%eval -3.5] [%clk 0:05:37] } 19. Rd1+ { [%eval -4.0] [%clk 0:17:22] } 19... Bd5 { [%eval -3.93] [%clk 0:06:06] } 20. Rxc6 { [%eval -4.46] [%clk 0:10:45] } 20... Ne7 { [%eval -4.55] [%clk 0:01:53] } 21. Rc7+ { [%eval -4.54] [%clk 0:05:22] } 21... Ke8 { [%eval -4.83] [%clk 0:02:23] } 22. Qb4 { [%eval -4.7] [%clk 0:04:07] } 22... Rd7 { [%eval -3.91] [%clk 0:01:29] } 23. Rxd7 { [%eval -3.85] [%clk 0:03:00] } 23... Kxd7 { [%eval -3.95] [%clk 0:01:51] } 24. Qb7+ { [%eval -3.8] [%clk 0:03:27] } 24... Kd6 { [%eval -3.83] [%clk 0:00:55] } 25. Qb4+ { [%eval -3.95] [%clk 0:03:34] } 25... Kd7 { [%eval -3.93] [%clk 0:01:24] } 26. Qb7+ { [%eval -3.59] [%clk 0:04:04] } 26... Kd8?? { [%eval 0.0] } { Blunder. Ke8 was best. } { [%clk 0:00:54] } 27. Qb8+ { [%eval 0.0] [%clk 0:04:28] } 27... Nc8 { [%eval 0.0] [%clk 0:00:33] } 28. Rc1 { [%eval 0.0] [%clk 0:04:36] } 28... Qc4 { [%eval 0.14] [%clk 0:00:33] } 29. Rxc4 { [%eval 0.04] [%clk 0:03:58] } 29... Bxc4 { [%eval 0.09] [%clk 0:01:02] } 30. Qb7 { [%eval 0.1] [%clk 0:03:13] } 30... Bd5? { [%eval 1.67] } { Mistake. Re8 was best. } { [%clk 0:00:46] } 31. Qg7 { [%eval 1.61] [%clk 0:03:38] } 31... Re8 { [%eval 1.83] [%clk 0:01:11] } 32. Qxf6+ { [%eval 1.57] [%clk 0:04:03] } 32... Kd7 { [%eval 1.81] [%clk 0:01:25] } 33. Qxg5 { [%eval 1.56] [%clk 0:04:19] } 33... Nd6 { [%eval 2.01] [%clk 0:01:46] } 34. Qe3 { [%eval 1.61] [%clk 0:04:34] } 34... a6 { [%eval 1.18] [%clk 0:01:26] } 35. Qd3 { [%eval 1.27] [%clk 0:04:54] } 35... Rb8?! { [%eval 2.15] } { Inaccuracy. h5 was best. } { [%clk 0:01:29] } 36. Qxh7+ { [%eval 1.95] [%clk 0:05:16] } 36... Kc6 { [%eval 1.98] [%clk 0:01:44] } 37. Qc2+ { [%eval 1.97] [%clk 0:05:36] } 37... Bc4? { [%eval 3.55] } { Mistake. Kd7 was best. } { [%clk 0:00:59] } 38. h4 { [%eval 3.9] [%clk 0:05:04] } 38... e5 { [%eval 3.69] [%clk 0:01:17] } 39. h5 { [%eval 4.03] [%clk 0:05:28] } 39... e4 { [%eval 4.18] [%clk 0:01:21] } 40. h6 { [%eval 4.15] [%clk 0:05:18] } 40... e3 { [%eval 4.96] [%clk 0:00:57] } 41. fxe3 { [%eval 4.91] [%clk 0:05:35] } 41... Kd7 { [%eval 5.33] [%clk 0:00:51] } 42. h7 { [%eval 4.83] [%clk 0:05:34] } 42... Bd5 { [%eval 5.38] [%clk 0:00:38] } 43. Qa4+ { [%eval 5.34] [%clk 0:04:34] } 43... Ke6 { [%eval 5.49] [%clk 0:00:31] } 44. Qg4+ { [%eval 5.43] [%clk 0:04:56] } 44... Kf7 { [%eval 5.39] [%clk 0:00:33] } 45. Qd7+ { [%eval 5.63] [%clk 0:05:20] } 1-0