Event: Round 3: Brandon Jacobson - Kostya Kavutskiy
Site: https://lichess.org/study/JPY8hxZV/L3CQUB11
Date: 2023-01-15
White: Brandon Jacobson
WhiteTitle: GM
Black: Kostya Kavutskiy
BlackTitle: IM
Result: 0-1
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard

1. Nf3 { [%eval 0.36] [%clk 1:27:26] } 1... Nf6 { [%eval 0.29] [%clk 1:22:11] } 2. g3 { [%eval 0.05] [%clk 1:27:27] } 2... g6 { [%eval 0.25] [%clk 1:22:09] } 3. b3 { [%eval -0.13] [%clk 1:27:18] } 3... Bg7 { [%eval 0.28] [%clk 1:22:18] } 4. Bb2 { [%eval 0.12] [%clk 1:27:42] } 4... O-O { [%eval 0.28] [%clk 1:22:22] } 5. Bg2 { [%eval 0.16] [%clk 1:28:06] } 5... d6 { [%eval 0.3] [%clk 1:22:24] } 6. d4 { [%eval 0.17] [%clk 1:28:28] } 6... a5 { [%eval 0.22] [%clk 1:22:42] } 7. a4 { [%eval 0.12] [%clk 1:28:49] } 7... c6 { [%eval 0.31] [%clk 1:22:28] } 8. O-O { [%eval 0.3] [%clk 1:28:52] } 8... Na6 { [%eval 0.44] [%clk 1:22:27] } 9. e3 { [%eval 0.3] [%clk 1:05:07] } 9... Qc7 { [%eval 0.33] [%clk 1:18:36] } 10. Nbd2 { [%eval 0.3] [%clk 0:56:48] } 10... Re8 { [%eval 0.52] [%clk 1:15:32] } 11. Re1 { [%eval 0.21] [%clk 0:54:11] } 11... e5 { [%eval 0.37] [%clk 1:02:54] } 12. dxe5 { [%eval 0.25] [%clk 0:54:02] } 12... dxe5 { [%eval 0.11] [%clk 1:03:14] } 13. Nc4?! { [%eval -0.51] } { Inaccuracy. e4 was best. } { [%clk 0:54:28] } 13... e4 { [%eval -0.28] [%clk 0:57:15] } 14. Nfd2 { [%eval -0.81] [%clk 0:34:49] } 14... Bf5 { [%eval -0.64] [%clk 0:53:01] } 15. Qc1?! { [%eval -1.31] } { Inaccuracy. Bxf6 was best. } { [%clk 0:35:13] } 15... Nb4 { [%eval -1.21] [%clk 0:51:39] } 16. Bd4 { [%eval -1.38] [%clk 0:34:57] } 16... b5?? { [%eval 0.3] } { Blunder. h5 was best. } { [%clk 0:41:21] } 17. Na3? { [%eval -1.13] } { Mistake. axb5 was best. } { [%clk 0:33:27] } 17... Rab8? { [%eval 0.45] } { Mistake. bxa4 was best. } { [%clk 0:38:27] } 18. Nab1? { [%eval -1.02] } { Mistake. axb5 was best. } { [%clk 0:32:11] } 18... h5 { [%eval -0.87] [%clk 0:36:59] } 19. Nc3 { [%eval -1.1] [%clk 0:30:08] } 19... Nbd5? { [%eval 0.38] } { Mistake. Re6 was best. } { [%clk 0:34:28] } 20. Qb2 { [%eval 0.06] [%clk 0:29:05] } 20... Bf8 { [%eval 0.55] [%clk 0:30:21] } 21. axb5 { [%eval 0.62] [%clk 0:26:14] } 21... cxb5 { [%eval 0.52] [%clk 0:30:20] } 22. Nxb5 { [%eval 0.48] [%clk 0:26:38] } 22... Rxb5 { [%eval 0.6] [%clk 0:30:35] } 23. c4 { [%eval 0.62] [%clk 0:27:05] } 23... Rbb8 { [%eval 0.55] [%clk 0:29:07] } 24. cxd5 { [%eval 0.41] [%clk 0:27:30] } 24... Nxd5 { [%eval 0.5] [%clk 0:29:17] } 25. Nc4? { [%eval -0.74] } { Mistake. Rec1 was best. } { [%clk 0:26:43] } 25... Nb4 { [%eval -0.75] [%clk 0:27:30] } 26. Red1 { [%eval -0.41] [%clk 0:08:24] } 26... Nd3 { [%eval -0.36] [%clk 0:26:58] } 27. Qc2?! { [%eval -0.98] } { Inaccuracy. Qa2 was best. } { [%clk 0:08:50] } 27... Rb5 { [%eval -0.5] [%clk 0:24:20] } 28. h4 { [%eval -0.85] [%clk 0:08:19] } 28... Reb8 { [%eval -0.92] [%clk 0:23:29] } 29. Rdb1 { [%eval -1.14] [%clk 0:04:48] } 29... Bb4? { [%eval 0.0] } { Mistake. Rc8 was best. } { [%clk 0:19:23] } 30. Bc3?? { [%eval -2.6] } { Blunder. Na3 was best. } { [%clk 0:05:02] } 30... Bxc3 { [%eval -2.27] [%clk 0:16:46] } 31. Qxc3 { [%eval -2.39] [%clk 0:05:30] } 31... Rb4 { [%eval -2.44] [%clk 0:17:03] } 32. Qd4 { [%eval -2.98] [%clk 0:02:28] } 32... Nc5 { [%eval -2.95] [%clk 0:15:51] } 33. Rxa5? { [%eval -5.68] } { Mistake. Qe5 was best. } { [%clk 0:00:54] } 33... Rxc4 { [%eval -5.47] [%clk 0:15:01] } 34. Qxc4 { [%eval -5.48] [%clk 0:00:34] } 34... Qxa5 { [%eval -5.36] [%clk 0:15:24] } 35. b4 { [%eval -5.53] [%clk 0:01:03] } 35... Qb5 { [%eval -5.76] [%clk 0:15:07] } 36. Qd4 { [%eval -5.89] [%clk 0:01:26] } 36... Qd3 { [%eval -5.37] [%clk 0:14:24] } 37. Qa1 { [%eval -5.5] [%clk 0:01:08] } 37... Nb3 { [%eval -5.42] [%clk 0:13:02] } 38. Qb2 { [%eval -5.32] [%clk 0:01:30] } 38... Rxb4 { [%eval -5.81] [%clk 0:12:20] } 39. Bf1 { [%eval -5.57] [%clk 0:01:58] } 39... Qd6 { [%eval -5.91] [%clk 0:12:05] } 40. Be2 { [%eval -6.33] [%clk 0:02:06] } 40... Rb8 { [%eval -4.98] [%clk 0:10:54] } 41. Bd1 { [%eval -5.33] [%clk 0:02:21] } 41... Be6 { [%eval -5.88] [%clk 0:10:58] } 42. Bc2 { [%eval -5.74] [%clk 0:02:50] } 42... Qb4 { [%eval -5.08] [%clk 0:09:14] } 43. g4 { [%eval -5.72] [%clk 0:00:44] } 43... hxg4 { [%eval -5.18] [%clk 0:08:16] } 44. h5 { [%eval -6.25] [%clk 0:01:12] } 44... g3 { [%eval -5.87] [%clk 0:08:18] } 45. h6 { [%eval -6.82] [%clk 0:01:37] } 45... gxf2+ { [%eval -7.02] [%clk 0:08:37] } 46. Kg2 { [%eval -6.76] [%clk 0:02:03] } 46... f1=Q+ { [%eval -6.64] [%clk 0:06:12] } 47. Rxf1 { [%eval -6.91] [%clk 0:02:24] } 47... Nd4 { [%eval -6.98] [%clk 0:06:13] } 48. h7+ { [%eval -6.94] [%clk 0:00:42] } 48... Kxh7 { [%eval -7.35] [%clk 0:06:20] } 49. Qxd4 { [%eval -7.62] [%clk 0:01:05] } 49... Qxd4 { [%eval -7.49] [%clk 0:06:36] } 50. exd4 { [%eval -8.08] [%clk 0:01:32] } 50... Rb2 { [%eval -8.21] [%clk 0:05:48] } 51. Rf2 { [%eval -8.12] [%clk 0:02:01] } 51... f5 { [%eval -8.0] [%clk 0:04:50] } 52. Kg3 { [%eval -8.23] [%clk 0:02:27] } 52... Kg7 { [%eval -8.02] [%clk 0:04:21] } 53. Kf4 { [%eval -9.67] [%clk 0:02:40] } 53... Bb3 { [%eval -10.0] [%clk 0:04:30] } 0-1