Event: Round 2: Brandon Jacobson - Alonso Zapata
Site: https://lichess.org/study/r0Lp4eTF/aWC8vOiX
Date: 2022-11-24
White: Brandon Jacobson
WhiteTitle: GM
Black: Alonso Zapata
BlackTitle: GM
Result: 0-1
ECO: A05
Opening: King's Indian Attack: Symmetrical Defense
Variant: Standard

1. Nf3 { [%eval 0.21] [%clk 1:28:32] } 1... Nf6 { [%eval 0.29] [%clk 1:30:25] } 2. g3 { [%eval 0.05] [%clk 1:28:13] } 2... g6 { [%eval 0.25] [%clk 1:30:36] } 3. b3 { [%eval -0.13] [%clk 1:28:05] } 3... Bg7 { [%eval 0.24] [%clk 1:30:41] } 4. Bb2 { [%eval 0.12] [%clk 1:28:28] } 4... c5 { [%eval 0.27] [%clk 1:30:19] } 5. Bg2 { [%eval -0.12] [%clk 1:27:05] } 5... O-O { [%eval 0.23] [%clk 1:30:22] } 6. c4 { [%eval 0.36] [%clk 1:26:46] } 6... Nc6 { [%eval 0.44] [%clk 1:30:24] } 7. O-O { [%eval 0.36] [%clk 1:26:04] } 7... d6 { [%eval 0.35] [%clk 1:29:24] } 8. d4 { [%eval 0.46] [%clk 1:25:46] } 8... Bf5?! { [%eval 1.26] } { Inaccuracy. Ne4 was best. } { [%clk 1:22:08] } 9. d5 { [%eval 1.0] [%clk 1:10:59] } 9... Na5 { [%eval 1.4] [%clk 1:19:54] } 10. Nbd2 { [%eval 1.05] [%clk 1:08:08] } 10... a6 { [%eval 1.12] [%clk 1:19:11] } 11. Re1 { [%eval 0.87] [%clk 1:07:50] } 11... e5 { [%eval 0.94] [%clk 1:13:49] } 12. e4 { [%eval 0.77] [%clk 0:56:31] } 12... Bd7 { [%eval 1.49] [%clk 1:10:12] } 13. Rf1?! { [%eval 0.7] } { Inaccuracy. Nxe5 was best. } { [%clk 0:56:55] } 13... b5 { [%eval 0.84] [%clk 1:09:38] } 14. Ne1 { [%eval 0.76] [%clk 0:55:25] } 14... Rb8 { [%eval 0.76] [%clk 1:01:33] } 15. Nd3 { [%eval 0.57] [%clk 0:55:09] } 15... Nh5 { [%eval 0.66] [%clk 0:59:30] } 16. Bc3 { [%eval 0.62] [%clk 0:39:31] } 16... f5 { [%eval 0.7] [%clk 0:58:58] } 17. exf5 { [%eval 0.51] [%clk 0:38:52] } 17... Bxf5 { [%eval 0.71] [%clk 0:58:37] } 18. Be4 { [%eval 0.78] [%clk 0:39:16] } 18... Bh3 { [%eval 0.91] [%clk 0:55:38] } 19. Re1 { [%eval 0.7] [%clk 0:39:39] } 19... Nf6 { [%eval 1.14] [%clk 0:51:58] } 20. a3?? { [%eval -0.76] } { Blunder. f3 was best. } { [%clk 0:30:47] } 20... Bg4 { [%eval -0.58] [%clk 0:51:18] } 21. Qc2 { [%eval -0.72] [%clk 0:25:54] } 21... Bh6 { [%eval -0.8] [%clk 0:46:21] } 22. Bxa5 { [%eval -1.34] [%clk 0:22:47] } 22... Qxa5 { [%eval -1.38] [%clk 0:46:33] } 23. b4 { [%eval -1.24] [%clk 0:23:15] } 23... Qa4 { [%eval -1.14] [%clk 0:45:56] } 24. Qa2?? { [%eval -3.26] } { Blunder. Qxa4 was best. } { [%clk 0:13:48] } 24... cxb4? { [%eval -1.61] } { Mistake. Bxd2 was best. } { [%clk 0:34:08] } 25. Nxb4 { [%eval -1.56] [%clk 0:13:57] } 25... Bxd2 { [%eval -1.72] [%clk 0:23:23] } 26. Qxd2 { [%eval -1.63] [%clk 0:14:23] } 26... Nxe4 { [%eval -1.58] [%clk 0:17:24] } 27. Rxe4 { [%eval -1.93] [%clk 0:14:49] } 27... Bf3?! { [%eval -1.31] } { Inaccuracy. Bf5 was best. } { [%clk 0:17:45] } 28. Re3 { [%eval -1.1] [%clk 0:05:24] } 28... bxc4 { [%eval -1.15] [%clk 0:17:06] } 29. Rc1? { [%eval -3.02] } { Mistake. Qc3 was best. } { [%clk 0:03:05] } 29... Rb5? { [%eval -1.44] } { Mistake. Qd7 was best. } { [%clk 0:05:39] } 30. Rec3?! { [%eval -2.14] } { Inaccuracy. Rxc4 was best. } { [%clk 0:02:50] } 30... Rc5 { [%eval -2.06] [%clk 0:04:59] } 31. Qg5?? { [%eval -4.43] } { Blunder. Qh6 was best. } { [%clk 0:02:06] } 31... Qd7 { [%eval -4.09] [%clk 0:04:40] } 32. Qh4 { [%eval -4.87] [%clk 0:00:47] } 32... a5?! { [%eval -3.42] } { Inaccuracy. Qf7 was best. } { [%clk 0:02:30] } 33. Nc6 { [%eval -3.59] [%clk 0:01:15] } 33... Kg7 { [%eval -3.64] [%clk 0:01:14] } 34. Rxc4 { [%eval -3.69] [%clk 0:00:55] } 34... Rxc4? { [%eval -1.93] } { Mistake. Rxd5 was best. } { [%clk 0:01:08] } 35. Qxc4 { [%eval -2.25] [%clk 0:01:22] } 35... Qh3 { [%eval -1.75] [%clk 0:01:23] } 36. Qf1 { [%eval -2.07] [%clk 0:01:51] } 36... Qxf1+ { [%eval -2.16] [%clk 0:01:39] } 37. Kxf1 { [%eval -2.01] [%clk 0:02:18] } 37... Bxd5 { [%eval -1.62] [%clk 0:01:59] } 38. Nxa5 { [%eval -1.44] [%clk 0:02:07] } 38... Ra8 { [%eval -1.44] [%clk 0:02:18] } 39. Nb7 { [%eval -1.61] [%clk 0:01:56] } 39... Ra6 { [%eval -1.73] [%clk 0:01:10] } 40. Rc7+ { [%eval -1.76] [%clk 0:00:45] } 40... Kf6 { [%eval -1.68] [%clk 0:01:35] } 41. Rd7 { [%eval -2.02] [%clk 0:00:38] } 41... Ke6 { [%eval -1.53] [%clk 0:00:58] } 42. Rxh7 { [%eval -1.22] [%clk 0:00:52] } 42... Rxa3 { [%eval -1.53] [%clk 0:00:36] } 43. Nd8+ { [%eval -2.06] [%clk 0:00:40] } 43... Kf6 { [%clk 0:01:01] } 44. Rd7 { [%clk 0:01:06] } 44... Bf3 { [%clk 0:01:15] } 45. Rf7+ { [%clk 0:00:33] } 45... Kg5 { [%clk 0:01:34] } 46. Ke1 { [%clk 0:00:46] } 46... Rd3 { [%clk 0:01:50] } 47. Rxf3 { [%clk 0:00:46] } 47... Rxf3 { [%clk 0:02:18] } 48. Ke2 { [%clk 0:00:54] } 48... e4 { [%clk 0:01:47] } 49. Ne6+ { [%clk 0:00:51] } 49... Kf6 { [%clk 0:01:55] } 50. Nd4 { [%clk 0:01:04] } 50... Rd3 { [%clk 0:02:08] } 51. Nc2 { [%clk 0:01:29] } 51... d5 { [%clk 0:01:44] } 52. Nb4 { [%clk 0:00:50] } 52... Rd4 { [%clk 0:02:03] } 53. Nc2 { [%clk 0:01:14] } 53... Ra4 { [%clk 0:02:18] } 54. Ke3 { [%clk 0:01:28] } 54... Ke5 { [%clk 0:01:47] } 55. f4+ { [%clk 0:01:50] } 55... exf3 { [%clk 0:02:11] } 56. Kxf3 { [%clk 0:02:17] } 56... d4 { [%clk 0:02:26] } 0-1