Event: Round 4: Jacobson, Brandon - Zanan, Evgeny
Date: 2025-04-24
White: Jacobson, Brandon
WhiteTitle: GM
WhiteElo: 2570
Black: Zanan, Evgeny
BlackTitle: GM
BlackElo: 2454
Result: 0-1
ECO: A20
Opening: English Opening: King's English Variation
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:20:03] } 1... e5 { [%eval 0.1] [%clk 1:26:16] } 2. g3 { [%eval 0.14] [%clk 1:20:16] } 2... Nf6 { [%eval 0.15] [%clk 1:26:35] } 3. Bg2 { [%eval 0.1] [%clk 1:20:39] } 3... c6 { [%eval 0.13] [%clk 1:26:58] } 4. d4 { [%eval 0.1] [%clk 1:20:41] } 4... Bb4+ { [%eval 0.23] [%clk 1:27:17] } 5. Bd2 { [%eval 0.19] [%clk 1:20:15] } 5... Bxd2+ { [%eval 0.27] [%clk 1:27:38] } 6. Qxd2 { [%eval 0.24] [%clk 1:20:39] } 6... d6 { [%eval 0.22] [%clk 1:28:03] } 7. Nc3 { [%eval 0.2] [%clk 1:20:26] } 7... O-O { [%eval 0.25] [%clk 1:28:06] } 8. e4 { [%eval 0.25] [%clk 1:20:15] } 8... b5 { [%eval 0.3] [%clk 1:26:11] } 9. dxe5 { [%eval 0.27] [%clk 1:13:23] } 9... dxe5 { [%eval 0.34] [%clk 1:26:19] } 10. Qxd8 { [%eval 0.25] [%clk 1:13:47] } 10... Rxd8 { [%eval 0.29] [%clk 1:26:44] } 11. Nf3 { [%eval 0.25] [%clk 1:14:12] } 11... b4 { [%eval 0.31] [%clk 1:15:08] } 12. Na4 { [%eval 0.27] [%clk 1:14:27] } 12... Nbd7 { [%eval 0.38] [%clk 1:15:30] } 13. O-O-O { [%eval 0.39] [%clk 1:14:26] } 13... Re8 { [%eval 0.47] [%clk 1:06:30] } 14. Nd2 { [%eval 0.0] [%clk 1:08:43] } 14... Nb6 { [%eval 0.22] [%clk 1:02:14] } 15. Nc5 { [%eval 0.24] [%clk 1:09:07] } 15... a5 { [%eval 0.26] [%clk 1:02:02] } 16. f4?! { [%eval -0.37] } { Inaccuracy. Nd3 was best. } { [%clk 1:02:54] } 16... Bg4 { [%eval -0.23] [%clk 0:48:24] } 17. Rde1 { [%eval -0.26] [%clk 1:02:29] } 17... Nfd7 { [%eval -0.25] [%clk 0:48:22] } 18. Nd3 { [%eval -0.25] [%clk 0:56:04] } 18... f6 { [%eval -0.21] [%clk 0:47:30] } 19. b3 { [%eval -0.23] [%clk 0:54:26] } 19... c5 { [%eval -0.25] [%clk 0:42:14] } 20. Nf1 { [%eval -0.24] [%clk 0:33:24] } 20... a4 { [%eval -0.28] [%clk 0:38:43] } 21. Kb2?? { [%eval -2.22] } { Blunder. Ne3 was best. } { [%clk 0:33:36] } 21... axb3 { [%eval -2.22] [%clk 0:26:08] } 22. axb3 { [%eval -1.8] [%clk 0:33:31] } 22... Ra3? { [%eval -0.59] } { Mistake. Nxc4+ was best. } { [%clk 0:26:06] } 23. Nc1?? { [%eval -2.71] } { Blunder. Ne3 was best. } { [%clk 0:32:32] } 23... Nxc4+ { [%eval -2.62] [%clk 0:19:28] } 24. bxc4 { [%eval -2.58] [%clk 0:32:42] } 24... Nb6 { [%eval -2.51] [%clk 0:19:54] } 25. Nd2 { [%eval -2.55] [%clk 0:27:03] } 25... Rd8 { [%eval -2.23] [%clk 0:19:56] } 26. Ndb3?! { [%eval -3.63] } { Inaccuracy. Ncb3 was best. } { [%clk 0:18:38] } 26... Nxc4+ { [%eval -3.02] [%clk 0:20:07] } 27. Kc2 { [%eval -3.02] [%clk 0:18:50] } 27... Bd1+ { [%eval -3.1] [%clk 0:15:09] } 28. Rxd1 { [%eval -3.11] [%clk 0:17:09] } 28... Ne3+ { [%eval -2.93] [%clk 0:15:34] } 29. Kb1 { [%eval -3.0] [%clk 0:17:36] } 29... Nxd1 { [%eval -2.93] [%clk 0:15:54] } 30. Bf1 { [%eval -2.88] [%clk 0:16:51] } 30... Ne3? { [%eval -1.35] } { Mistake. Kh8 was best. } { [%clk 0:15:35] } 31. Bb5 { [%eval -1.37] [%clk 0:13:30] } 31... c4 { [%eval -1.28] [%clk 0:06:40] } 32. Re1 { [%eval -1.16] [%clk 0:12:36] } 32... exf4 { [%eval -1.09] [%clk 0:05:12] } 33. gxf4 { [%eval -1.12] [%clk 0:13:01] } 33... Rd3?! { [%eval -0.16] } { Inaccuracy. Rb8 was best. } { [%clk 0:05:12] } 34. Nxd3 { [%eval -0.23] [%clk 0:05:51] } 34... Rxb3+ { [%eval -0.23] [%clk 0:05:35] } 35. Nb2 { [%eval -0.1] [%clk 0:06:17] } 35... c3 { [%eval -0.17] [%clk 0:05:58] } 36. Rxe3 { [%eval -0.29] [%clk 0:06:42] } 36... c2+ { [%eval -0.29] [%clk 0:06:22] } 37. Kxc2 { [%eval -0.38] [%clk 0:07:08] } 37... Rxe3 { [%eval -0.38] [%clk 0:06:48] } 38. Nd3 { [%eval -0.89] [%clk 0:04:15] } 38... Rxe4 { [%eval -1.0] [%clk 0:04:20] } 39. Kd2 { [%eval -0.97] [%clk 0:04:37] } 39... b3 { [%eval -0.9] [%clk 0:03:52] } 40. Kc3 { [%eval -0.82] [%clk 0:02:16] } 40... Re2 { [%eval -0.76] [%clk 0:03:27] } 41. h3 { [%eval -0.95] [%clk 0:02:21] } 41... Re3 { [%eval -0.64] [%clk 0:03:33] } 42. Kxb3 { [%eval -0.74] [%clk 0:02:09] } 42... Rxh3 { [%eval -0.64] [%clk 0:03:58] } 43. Kc4 { [%eval -1.06] [%clk 0:01:47] } 43... g5?! { [%eval -0.5] } { Inaccuracy. Kf7 was best. } { [%clk 0:04:09] } 44. Bd7 { [%eval -0.79] [%clk 0:01:39] } 44... Rh2 { [%eval -0.36] [%clk 0:04:20] } 45. Kd4 { [%eval -0.52] [%clk 0:01:14] } 45... Kg7 { [%eval -0.46] [%clk 0:04:35] } 46. Ke3 { [%eval -0.77] [%clk 0:01:18] } 46... h5 { [%eval -0.55] [%clk 0:04:54] } 47. fxg5 { [%eval -0.53] [%clk 0:01:41] } 47... fxg5 { [%eval -0.16] [%clk 0:05:19] } 48. Nf2 { [%eval -0.25] [%clk 0:02:03] } 48... Rh4 { [%eval -0.22] [%clk 0:04:25] } 49. Ne4 { [%eval -0.21] [%clk 0:00:57] } 49... Kh6 { [%eval -0.27] [%clk 0:04:16] } 50. Nd6 { [%eval -0.53] [%clk 0:00:47] } 50... Rb4 { [%eval -0.75] [%clk 0:03:52] } 51. Be8?? { [%eval -2.79] } { Blunder. Nf5+ was best. } { [%clk 0:00:34] } 51... g4 { [%eval -2.5] [%clk 0:03:07] } 52. Nf7+?! { [%eval -3.38] } { Inaccuracy. Ne4 was best. } { [%clk 0:00:36] } 52... Kg6 { [%eval -3.67] [%clk 0:03:10] } 53. Nd6+ { [%eval -4.13] [%clk 0:00:48] } 53... Kg5 { [%eval -4.38] [%clk 0:02:44] } 54. Ne4+ { [%eval -4.49] [%clk 0:00:41] } 54... Kh4 { [%eval -4.3] [%clk 0:02:49] } 55. Bg6 { [%eval -4.54] [%clk 0:00:36] } 55... Rb3+ { [%eval -4.43] [%clk 0:01:35] } 56. Kf2 { [%eval -4.45] [%clk 0:01:04] } 56... Rb6 { [%eval -4.4] [%clk 0:01:42] } 57. Bf7 { [%eval -4.12] [%clk 0:00:54] } 57... Rb5 { [%eval -4.45] [%clk 0:00:35] } 58. Kg2 { [%eval -4.58] [%clk 0:00:37] } 58... Rb2+ { [%eval -4.57] [%clk 0:00:53] } 59. Kg1 { [%eval -4.52] [%clk 0:00:51] } 59... Rb4 { [%eval -4.16] [%clk 0:00:37] } 60. Bg6 { [%eval -3.46] [%clk 0:00:53] } 60... Kh3?? { [%eval -0.4] } { Blunder. Rb5 was best. } { [%clk 0:00:39] } 61. Bf5?? { [%eval -5.85] } { Blunder. Nf6 was best. } { [%clk 0:00:35] } 61... Rb1+ { [%eval -5.64] [%clk 0:00:44] } 62. Kf2 { [%eval -5.07] [%clk 0:01:04] } 62... Kh2 { [%eval -5.81] [%clk 0:00:59] } 63. Nd2? { [%eval -16.5] } { Mistake. Be6 was best. } { [%clk 0:00:38] } 63... Rb2 { [%eval -11.44] [%clk 0:01:12] } 64. Ke3 { [%eval -9.65] [%clk 0:01:07] } 64... Rxd2 { [%eval -8.16] [%clk 0:01:30] } 0-1