Event: 49th Annual World Open
Site: ChessKast.com
Date: 2021-07-04
White: Roberto Alvarez
Black: Erick Zhao
Result: 1-0
ECO: D96
Opening: Grünfeld Defense: Russian Variation
Variant: Standard

1. c4 { [%eval 0.2] [%clk 1:30:30] } 1... Nf6 { [%eval 0.29] [%clk 1:30:09] } 2. d4 { [%eval 0.11] [%clk 1:30:46] } 2... g6 { [%eval 0.28] [%clk 1:30:33] } 3. Nc3 { [%eval 0.17] [%clk 1:31:08] } 3... d5 { [%eval 0.2] [%clk 1:30:59] } 4. Nf3 { [%eval 0.22] [%clk 1:28:46] } 4... Bg7 { [%eval 0.27] [%clk 1:31:22] } 5. Qb3 { [%eval 0.12] [%clk 1:28:59] } 5... dxc4 { [%eval 0.32] [%clk 1:28:18] } 6. Qxc4 { [%eval 0.25] [%clk 1:29:28] } 6... a6 { [%eval 0.59] [%clk 1:28:01] } 7. Bf4 { [%eval 0.79] [%clk 1:29:30] } 7... c6 { [%eval 0.39] [%clk 1:24:15] } 8. Qb3 { [%eval 0.46] [%clk 1:21:32] } 8... O-O { [%eval 0.33] [%clk 1:22:42] } 9. e4 { [%eval 0.68] [%clk 1:19:04] } 9... b5 { [%eval 0.42] [%clk 1:19:47] } 10. Rd1 { [%eval 0.0] [%clk 1:10:25] } 10... Qa5 { [%eval 0.0] [%clk 1:14:53] } 11. Bd2 { [%eval 0.06] [%clk 1:06:00] } 11... b4 { [%eval 0.16] [%clk 1:08:58] } 12. Na4 { [%eval 0.39] [%clk 1:02:25] } 12... Be6 { [%eval 0.25] [%clk 1:04:34] } 13. Qxb4 { [%eval 0.3] [%clk 0:54:47] } 13... Qxb4 { [%eval 0.31] [%clk 1:02:51] } 14. Bxb4 { [%eval 0.18] [%clk 0:55:17] } 14... Nxe4 { [%eval 0.26] [%clk 1:00:13] } 15. b3 { [%eval 0.37] [%clk 0:55:28] } 15... Nd6 { [%eval 0.6] [%clk 0:50:09] } 16. Nb6?! { [%eval -0.13] } { Inaccuracy. Ne5 was best. } { [%clk 0:48:53] } 16... Ra7 { [%eval -0.19] [%clk 0:46:38] } 17. Be2 { [%eval -0.33] [%clk 0:48:27] } 17... Rb7 { [%eval 0.01] [%clk 0:41:22] } 18. Ba5 { [%eval 0.06] [%clk 0:40:55] } 18... Bd5 { [%eval 0.29] [%clk 0:37:20] } 19. O-O { [%eval 0.35] [%clk 0:40:06] } 19... Bxf3 { [%eval 0.35] [%clk 0:34:43] } 20. Bxf3 { [%eval 0.4] [%clk 0:39:27] } 20... Nf5 { [%eval 0.6] [%clk 0:33:28] } 21. d5 { [%eval 0.43] [%clk 0:38:38] } 21... Nd4 { [%eval 0.39] [%clk 0:33:04] } 22. Be4 { [%eval 0.14] [%clk 0:36:57] } 22... cxd5 { [%eval 0.16] [%clk 0:31:17] } 23. Bxd5 { [%eval 0.01] [%clk 0:31:58] } 23... Nbc6 { [%eval 0.05] [%clk 0:30:32] } 24. Bxc6 { [%eval 0.08] [%clk 0:20:32] } 24... Nxc6 { [%eval 0.1] [%clk 0:30:27] } 25. Nc4 { [%eval 0.15] [%clk 0:20:58] } 25... Nd4 { [%eval 0.29] [%clk 0:28:33] } 26. Rfe1 { [%eval 0.4] [%clk 0:20:50] } 26... Rd7 { [%eval 0.51] [%clk 0:27:46] } 27. Kf1 { [%eval 0.49] [%clk 0:21:09] } 27... e6? { [%eval 1.92] } { Mistake. Rb7 was best. } { [%clk 0:27:02] } 28. Bb6 { [%eval 1.73] [%clk 0:21:02] } 28... Rb8?? { [%eval 4.39] } { Blunder. Rd5 was best. } { [%clk 0:23:51] } 29. Re4 { [%eval 3.95] [%clk 0:17:54] } 29... e5 { [%eval 3.99] [%clk 0:23:19] } 30. Rxe5 { [%eval 3.61] [%clk 0:18:24] } 30... Bxe5?! { [%eval 4.59] } { Inaccuracy. Nc6 was best. } { [%clk 0:20:39] } 31. Nxe5 { [%eval 4.63] [%clk 0:18:54] } 31... Rd5 { [%eval 4.92] [%clk 0:17:41] } 32. Bxd4 { [%eval 5.0] [%clk 0:19:24] } 32... Rbd8 { [%eval 4.48] [%clk 0:18:09] } 33. Nc6 { [%eval 4.94] [%clk 0:19:33] } 33... R8d7 { [%eval 4.96] [%clk 0:18:32] } 34. Ke2 { [%eval 4.84] [%clk 0:17:18] } 34... R5d6 { [%eval 4.85] [%clk 0:18:34] } 35. Ne5 { [%eval 4.94] [%clk 0:16:22] } 35... Re6 { [%eval 5.48] [%clk 0:18:10] } 36. Bb2 { [%eval 5.53] [%clk 0:16:04] } 36... Rde7 { [%eval 6.07] [%clk 0:17:47] } 37. Rd8+ { [%eval 6.06] [%clk 0:16:24] } 37... Kg7 { [%eval 6.9] [%clk 0:18:16] } 38. Kd3 { [%eval 6.94] [%clk 0:15:46] } 38... Rxe5 { [%eval 7.72] [%clk 0:18:29] } 39. f4 { [%eval 8.11] [%clk 0:16:03] } 1-0