Event: Round 4: David Arenas - Alejandro Jose Chinchilla
Date: 2023-05-24
White: David Arenas
Black: Alejandro Jose Chinchilla
Result: 1-0
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 0:15:17] } 1... c5 { [%eval 0.32] [%clk 0:15:19] } 2. Nf3 { [%eval 0.0] [%clk 0:15:25] } 2... d6 { [%eval 0.0] [%clk 0:15:27] } 3. d4 { [%eval 0.25] [%clk 0:15:32] } 3... cxd4 { [%eval 0.13] [%clk 0:15:36] } 4. Nxd4 { [%eval 0.27] [%clk 0:15:41] } 4... Nf6 { [%eval 0.3] [%clk 0:15:45] } 5. Nc3 { [%eval 0.21] [%clk 0:15:48] } 5... a6 { [%eval 0.39] [%clk 0:15:54] } 6. Be2 { [%eval 0.07] [%clk 0:14:56] } 6... e5 { [%eval 0.13] [%clk 0:15:56] } 7. Nb3 { [%eval 0.0] [%clk 0:15:05] } 7... Be7 { [%eval 0.22] [%clk 0:16:05] } 8. Bg5 { [%eval 0.13] [%clk 0:15:08] } 8... Nbd7 { [%eval 0.51] [%clk 0:16:04] } 9. a4 { [%eval 0.52] [%clk 0:15:17] } 9... b6 { [%eval 0.88] [%clk 0:16:12] } 10. Bc4 { [%eval 0.62] [%clk 0:14:57] } 10... Bb7 { [%eval 0.69] [%clk 0:16:19] } 11. Nd2 { [%eval 0.82] [%clk 0:15:05] } 11... O-O { [%eval 0.86] [%clk 0:15:52] } 12. O-O { [%eval 0.7] [%clk 0:15:08] } 12... h6 { [%eval 0.75] [%clk 0:14:43] } 13. Bxf6 { [%eval 0.69] [%clk 0:14:06] } 13... Nxf6 { [%eval 0.67] [%clk 0:14:48] } 14. Qe2 { [%eval 0.71] [%clk 0:14:13] } 14... Qb8 { [%eval 0.62] [%clk 0:13:50] } 15. Rfd1 { [%eval 0.62] [%clk 0:14:06] } 15... Rc8 { [%eval 0.74] [%clk 0:13:54] } 16. Nf1 { [%eval 0.32] [%clk 0:12:54] } 16... b5 { [%eval 0.42] [%clk 0:12:53] } 17. axb5 { [%eval 0.38] [%clk 0:11:32] } 17... axb5 { [%eval 0.37] [%clk 0:13:01] } 18. Bxb5 { [%eval 0.55] [%clk 0:11:36] } 18... Rxa1 { [%eval 0.43] [%clk 0:12:26] } 19. Rxa1 { [%eval 0.42] [%clk 0:11:45] } 19... Rxc3? { [%eval 1.73] } { Mistake. Bd8 was best. } { [%clk 0:09:48] } 20. bxc3 { [%eval 1.92] [%clk 0:11:49] } 20... Nxe4 { [%eval 1.84] [%clk 0:09:55] } 21. Ng3 { [%eval 1.78] [%clk 0:09:31] } 21... Nxc3 { [%eval 1.83] [%clk 0:07:57] } 22. Qc4 { [%eval 1.92] [%clk 0:09:39] } 22... Bd5 { [%eval 2.2] [%clk 0:05:42] } 23. Qxc3 { [%eval 2.24] [%clk 0:09:48] } 23... Qxb5 { [%eval 1.96] [%clk 0:05:51] } 24. Nf5 { [%eval 1.86] [%clk 0:09:48] } 24... Bf8 { [%eval 1.99] [%clk 0:04:48] } 25. Qc8 { [%eval 2.19] [%clk 0:09:55] } 25... Qb7 { [%eval 2.05] [%clk 0:02:26] } 26. Nxd6?? { [%eval 0.0] } { Blunder. Qxb7 was best. } { [%clk 0:08:49] } 26... Qb2?? { [%eval 2.45] } { Blunder. Qb4 was best. } { [%clk 0:02:16] } 27. Rd1 { [%eval 2.38] [%clk 0:08:23] } 27... Be6 { [%eval 2.56] [%clk 0:02:24] } 28. Qc6 { [%eval 2.5] [%clk 0:06:08] } 28... Bxd6 { [%eval 2.52] [%clk 0:02:00] } 29. Qxd6 { [%eval 2.51] [%clk 0:06:17] } 29... Qxc2 { [%eval 2.55] [%clk 0:02:09] } 30. h3?? { [%eval 0.23] } { Blunder. Re1 was best. } { [%clk 0:06:24] } 30... Bb3 { [%eval 0.55] [%clk 0:01:21] } 31. Re1 { [%eval 0.4] [%clk 0:02:58] } 31... f6 { [%eval 0.54] [%clk 0:01:22] } 32. Qb6 { [%eval 0.53] [%clk 0:02:22] } 32... Kh7 { [%eval 0.59] [%clk 0:01:22] } 33. Qe3 { [%eval 0.24] [%clk 0:02:14] } 33... Bf7 { [%eval 0.41] [%clk 0:01:25] } 34. Rc1 { [%eval 0.54] [%clk 0:02:03] } 34... Qf5 { [%eval 0.34] [%clk 0:01:15] } 35. Rc7 { [%eval 0.43] [%clk 0:02:06] } 35... Bd5 { [%eval 0.56] [%clk 0:01:15] } 36. Qg3 { [%eval 0.26] [%clk 0:00:39] } 36... Qb1+ { [%eval 0.27] [%clk 0:01:14] } 37. Kh2 { [%eval 0.26] [%clk 0:00:47] } 37... Qg6 { [%eval 0.28] [%clk 0:01:22] } 38. h4 { [%eval 0.24] [%clk 0:00:28] } 38... h5 { [%eval 0.26] [%clk 0:01:27] } 39. Rc8 { [%eval 0.27] [%clk 0:00:31] } 39... Be4 { [%eval 0.26] [%clk 0:01:10] } 40. f3 { [%eval 0.2] [%clk 0:00:30] } 40... Bf5 { [%eval 0.29] [%clk 0:01:17] } 41. Rc7 { [%eval 0.24] [%clk 0:00:38] } 41... Qh6 { [%eval 0.17] [%clk 0:01:22] } 42. Ra7 { [%eval 0.15] [%clk 0:00:42] } 42... Bg6 { [%eval 0.23] [%clk 0:01:28] } 43. Rc7 { [%eval 0.22] [%clk 0:00:29] } 43... Qc1?? { [%eval 5.95] } { Blunder. Qd2 was best. } { [%clk 0:01:01] } 1-0