Event: Round 8: Alex Antonio Delgado Rosas - Osvaldo Zambrana
Date: 2023-12-01
White: Alex Antonio Delgado Rosas
WhiteTitle: CM
WhiteElo: 2105
Black: Osvaldo Zambrana
BlackTitle: GM
BlackElo: 2400
Result: 0-1
ECO: D02
Opening: Queen's Pawn Game: London System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... d5 { [%eval 0.27] [%clk 1:16:21] } 2. Nf3 { [%eval 0.28] [%clk 1:31:14] } 2... Nf6 { [%eval 0.25] [%clk 1:16:37] } 3. Bf4 { [%eval 0.0] [%clk 1:31:36] } 3... c5 { [%eval 0.0] [%clk 1:17:01] } 4. e3 { [%eval 0.0] [%clk 1:32:01] } 4... Nc6 { [%eval 0.0] [%clk 1:17:22] } 5. Nbd2 { [%eval 0.0] [%clk 1:32:24] } 5... cxd4 { [%eval 0.37] [%clk 1:17:21] } 6. exd4 { [%eval 0.14] [%clk 1:32:51] } 6... Bg4 { [%eval 0.43] [%clk 1:17:41] } 7. c3 { [%eval 0.39] [%clk 1:31:17] } 7... e6 { [%eval 0.29] [%clk 1:18:08] } 8. Qb3 { [%eval 0.28] [%clk 1:29:46] } 8... Bd6 { [%eval 0.35] [%clk 1:16:15] } 9. Bxd6 { [%eval 0.1] [%clk 1:22:58] } 9... Qxd6 { [%eval 0.1] [%clk 1:16:40] } 10. Bd3 { [%eval 0.09] [%clk 1:23:09] } 10... O-O { [%eval 0.15] [%clk 1:16:38] } 11. O-O { [%eval 0.04] [%clk 1:23:27] } 11... Rab8 { [%eval 0.07] [%clk 1:15:26] } 12. a4 { [%eval 0.17] [%clk 1:22:43] } 12... a6 { [%eval 0.2] [%clk 0:54:41] } 13. a5 { [%eval 0.11] [%clk 1:14:25] } 13... Qc7 { [%eval 0.0] [%clk 0:53:04] } 14. Qa4 { [%eval 0.0] [%clk 1:14:30] } 14... Nd7 { [%eval 0.17] [%clk 0:50:50] } 15. h3 { [%eval 0.18] [%clk 1:13:32] } 15... Bh5 { [%eval 0.26] [%clk 0:51:11] } 16. Rfe1 { [%eval 0.25] [%clk 1:08:31] } 16... Rfe8 { [%eval 0.25] [%clk 0:51:38] } 17. Re3 { [%eval 0.2] [%clk 0:54:21] } 17... Rbd8 { [%eval 0.24] [%clk 0:49:31] } 18. Qc2 { [%eval 0.09] [%clk 0:47:16] } 18... Bg6 { [%eval 0.08] [%clk 0:49:24] } 19. b4?! { [%eval -0.73] } { Inaccuracy. Bxg6 was best. } { [%clk 0:47:22] } 19... e5?! { [%eval 0.14] } { Inaccuracy. Nxb4 was best. } { [%clk 0:28:50] } 20. dxe5 { [%eval 0.16] [%clk 0:40:07] } 20... Ndxe5 { [%eval 0.19] [%clk 0:28:39] } 21. Rae1 { [%eval 0.16] [%clk 0:35:30] } 21... Re6 { [%eval 0.22] [%clk 0:22:56] } 22. Bxg6 { [%eval 0.31] [%clk 0:31:40] } 22... hxg6 { [%eval 0.68] [%clk 0:23:21] } 23. Nxe5?! { [%eval -0.09] } { Inaccuracy. Ng5 was best. } { [%clk 0:27:11] } 23... Rxe5 { [%eval -0.06] [%clk 0:23:47] } 24. Nf3?! { [%eval -0.64] } { Inaccuracy. Rxe5 was best. } { [%clk 0:27:30] } 24... Rxe3?! { [%eval 0.03] } { Inaccuracy. Nxb4 was best. } { [%clk 0:24:09] } 25. Rxe3 { [%eval 0.09] [%clk 0:27:54] } 25... Qf4 { [%eval 0.46] [%clk 0:16:08] } 26. Qd2 { [%eval 0.46] [%clk 0:14:28] } 26... Kh7 { [%eval 0.38] [%clk 0:11:19] } 27. Rd3 { [%eval 0.42] [%clk 0:14:01] } 27... Qxd2 { [%eval 0.44] [%clk 0:11:28] } 28. Rxd2 { [%eval 0.59] [%clk 0:14:30] } 28... Kg8 { [%eval 0.3] [%clk 0:09:06] } 29. Kf1 { [%eval 0.3] [%clk 0:10:55] } 29... Kf8 { [%eval 0.3] [%clk 0:09:34] } 30. Ke2 { [%eval 0.3] [%clk 0:11:05] } 30... Ke7 { [%eval 0.27] [%clk 0:09:47] } 31. Kd3 { [%eval 0.29] [%clk 0:11:02] } 31... Kd6 { [%eval 0.28] [%clk 0:09:54] } 32. Re2 { [%eval 0.26] [%clk 0:10:50] } 32... f6 { [%eval 0.19] [%clk 0:09:28] } 33. Nd4 { [%eval 0.03] [%clk 0:09:48] } 33... Rc8 { [%eval 0.24] [%clk 0:05:17] } 34. Nxc6 { [%eval 0.01] [%clk 0:09:22] } 34... bxc6 { [%eval 0.03] [%clk 0:04:12] } 35. Kd4 { [%eval 0.03] [%clk 0:09:43] } 35... Rh8 { [%eval 0.05] [%clk 0:03:48] } 36. Kd3 { [%eval 0.07] [%clk 0:08:12] } 36... Rc8 { [%eval 0.02] [%clk 0:03:28] } 37. Kd4 { [%eval 0.01] [%clk 0:03:09] } 37... g5 { [%eval 0.0] [%clk 0:03:27] } 38. Re3 { [%eval 0.02] [%clk 0:01:28] } 38... Rb8 { [%eval 0.01] [%clk 0:02:59] } 39. Re2 { [%eval 0.02] [%clk 0:01:44] } 39... Rh8 { [%eval 0.0] [%clk 0:01:52] } 40. Re3 { [%eval 0.0] [%clk 0:01:44] } 40... Rh4+ { [%eval 0.0] [%clk 0:01:42] } 41. g4 { [%eval 0.0] [%clk 0:01:30] } 41... f5 { [%eval 0.0] [%clk 0:02:11] } 42. Rg3 { [%eval -0.11] [%clk 0:01:50] } 42... f4 { [%eval -0.08] [%clk 0:02:28] } 43. Rd3 { [%eval -0.1] [%clk 0:01:45] } 43... Rh8 { [%eval -0.24] [%clk 0:02:52] } 44. c4 { [%eval -0.11] [%clk 0:01:14] } 44... Rb8 { [%eval -0.22] [%clk 0:03:21] } 45. Rb3?? { [%eval -3.6] } { Blunder. Kc3 was best. } { [%clk 0:01:15] } 45... Rxb4 { [%eval -4.39] [%clk 0:03:14] } 46. Rxb4 { [%eval -3.9] [%clk 0:00:55] } 46... c5+ { [%eval -4.04] [%clk 0:03:43] } 47. Kc3 { [%eval -3.69] [%clk 0:01:24] } 47... cxb4+ { [%eval -3.83] [%clk 0:03:01] } 48. Kxb4 { [%eval -3.88] [%clk 0:01:50] } 48... Kc6 { [%eval -3.83] [%clk 0:02:39] } 49. Kc3 { [%eval -3.97] [%clk 0:00:33] } 49... dxc4 { [%eval -3.91] [%clk 0:02:27] } 50. Kxc4 { [%eval -3.94] [%clk 0:00:59] } 50... f3 { [%eval -4.08] [%clk 0:02:50] } 0-1