Event: Round 7: Everaldo Matsuura - Alan Pichot
Date: 2023-01-27
White: Everaldo Matsuura
WhiteTitle: GM
Black: Alan Pichot
BlackTitle: GM
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:30] } 1... c5 { [%eval 0.32] [%clk 1:29:01] } 2. Nf3 { [%eval 0.0] [%clk 1:30:35] } 2... d6 { [%eval 0.0] [%clk 1:28:44] } 3. d4 { [%eval 0.25] [%clk 1:30:45] } 3... cxd4 { [%eval 0.13] [%clk 1:29:06] } 4. Nxd4 { [%eval 0.27] [%clk 1:31:03] } 4... Nf6 { [%eval 0.3] [%clk 1:29:32] } 5. Nc3 { [%eval 0.21] [%clk 1:31:15] } 5... a6 { [%eval 0.39] [%clk 1:29:43] } 6. Be3 { [%eval 0.12] [%clk 1:31:16] } 6... e5 { [%eval 0.31] [%clk 1:28:10] } 7. Nb3 { [%eval 0.25] [%clk 1:31:23] } 7... Be6 { [%eval 0.11] [%clk 1:28:22] } 8. Qd2 { [%eval 0.4] [%clk 1:31:17] } 8... Nbd7 { [%eval 0.29] [%clk 1:28:28] } 9. O-O-O { [%eval 0.2] [%clk 1:30:57] } 9... b5 { [%eval 0.42] [%clk 1:27:53] } 10. f4 { [%eval 0.0] [%clk 1:27:11] } 10... Rc8 { [%eval 0.36] [%clk 1:18:21] } 11. Kb1 { [%eval 0.36] [%clk 1:26:02] } 11... Be7 { [%eval 0.15] [%clk 1:14:11] } 12. f5 { [%eval -0.05] [%clk 1:25:35] } 12... Bc4 { [%eval 0.11] [%clk 1:14:25] } 13. g4 { [%eval -0.17] [%clk 1:20:36] } 13... b4? { [%eval 0.98] } { Mistake. Nxg4 was best. } { [%clk 1:10:35] } 14. Bxc4 { [%eval 1.02] [%clk 1:12:16] } 14... bxc3 { [%eval 1.48] [%clk 1:07:26] } 15. Qd3?! { [%eval 0.41] } { Inaccuracy. Qxc3 was best. } { [%clk 1:08:57] } 15... Nxg4 { [%eval 0.55] [%clk 1:05:00] } 16. Bxa6 { [%eval 0.43] [%clk 1:08:11] } 16... Rc7 { [%eval 0.48] [%clk 1:03:57] } 17. Rhg1 { [%eval 0.38] [%clk 1:05:16] } 17... Nxe3 { [%eval 0.47] [%clk 0:59:14] } 18. Qxe3 { [%eval 0.45] [%clk 1:05:31] } 18... Kf8 { [%eval 0.38] [%clk 0:58:44] } 19. Bb5 { [%eval 0.36] [%clk 0:54:03] } 19... cxb2 { [%eval 0.31] [%clk 0:48:56] } 20. f6 { [%eval 0.25] [%clk 0:46:37] } 20... Nxf6 { [%eval 0.19] [%clk 0:38:33] } 21. Rxg7 { [%eval 0.28] [%clk 0:42:16] } 21... Nh5?! { [%eval 0.97] } { Inaccuracy. h5 was best. } { [%clk 0:28:03] } 22. Rgg1 { [%eval 1.16] [%clk 0:30:57] } 22... Nf4 { [%eval 1.24] [%clk 0:28:06] } 23. Kxb2?! { [%eval 0.44] } { Inaccuracy. Nd4 was best. } { [%clk 0:30:15] } 23... Bg5 { [%eval 0.88] [%clk 0:13:42] } 24. Qf3?! { [%eval 0.0] } { Inaccuracy. a4 was best. } { [%clk 0:21:59] } 24... h6 { [%eval 0.31] [%clk 0:11:07] } 25. a4 { [%eval 0.29] [%clk 0:20:14] } 25... Qc8 { [%eval 0.21] [%clk 0:10:58] } 26. c3 { [%eval 0.0] [%clk 0:19:04] } 26... Ke7 { [%eval 0.0] [%clk 0:10:00] } 27. Rgf1 { [%eval 0.14] [%clk 0:12:15] } 27... Qe6 { [%eval 0.03] [%clk 0:08:17] } 28. c4 { [%eval 0.01] [%clk 0:10:46] } 28... Rhc8 { [%eval 0.3] [%clk 0:06:32] } 29. Rc1 { [%eval 0.14] [%clk 0:10:34] } 29... Qg6 { [%eval 0.26] [%clk 0:04:55] } 30. Rc2 { [%eval 0.0] [%clk 0:09:18] } 30... Kf8 { [%eval 0.0] [%clk 0:01:25] } 31. Rd1 { [%eval 0.0] [%clk 0:09:14] } 31... Qe6 { [%eval 0.38] [%clk 0:01:32] } 32. a5 { [%eval 0.11] [%clk 0:08:46] } 32... Be7 { [%eval 0.29] [%clk 0:00:57] } 33. a6 { [%eval 0.58] [%clk 0:08:58] } 33... Rb8 { [%eval 0.36] [%clk 0:01:09] } 34. Qe3 { [%eval 0.23] [%clk 0:05:44] } 34... Qc8 { [%eval 0.46] [%clk 0:01:35] } 35. Rc3?! { [%eval -0.23] } { Inaccuracy. Rcd2 was best. } { [%clk 0:04:31] } 35... Bg5 { [%eval 0.29] [%clk 0:01:39] } 36. Qf3 { [%eval -0.24] [%clk 0:04:09] } 36... Rb6 { [%eval -0.22] [%clk 0:01:55] } 37. Ra1 { [%eval -0.18] [%clk 0:04:21] } 37... Ra7 { [%eval -0.25] [%clk 0:02:00] } 38. Qf2 { [%eval -0.11] [%clk 0:03:16] } 38... Qc7 { [%eval -0.11] [%clk 0:02:19] } 39. Kc2 { [%eval -0.37] [%clk 0:02:59] } 39... Bd8 { [%eval -0.09] [%clk 0:02:04] } 40. Rd1 { [%eval -0.56] [%clk 0:02:38] } 40... Qb8 { [%eval -0.27] [%clk 0:01:11] } 41. Ra1 { [%eval -0.12] [%clk 0:00:46] } 41... Qa8 { [%eval -0.14] [%clk 0:01:12] } 42. Nd2 { [%eval -0.57] [%clk 0:00:37] } 42... Ne6 { [%eval -0.44] [%clk 0:01:26] } 43. Rd3 { [%eval -0.45] [%clk 0:00:44] } 43... Qc8 { [%eval -0.09] [%clk 0:01:46] } 44. Kd1 { [%eval -0.62] [%clk 0:00:39] } 44... Nc5 { [%eval -0.23] [%clk 0:01:49] } 45. Rf3 { [%eval -0.49] [%clk 0:00:42] } 45... Bg5 { [%eval -0.52] [%clk 0:02:08] } 46. Ra2 { [%eval -0.64] [%clk 0:00:44] } 46... Qe6?! { [%eval 0.0] } { Inaccuracy. Qg4 was best. } { [%clk 0:02:04] } 47. h4?! { [%eval -0.83] } { Inaccuracy. Nb3 was best. } { [%clk 0:00:49] } 47... Bf4?! { [%eval 0.0] } { Inaccuracy. Bxd2 was best. } { [%clk 0:01:58] } 48. Rxf4? { [%eval -1.18] } { Mistake. Nb3 was best. } { [%clk 0:00:47] } 48... exf4 { [%eval -1.11] [%clk 0:02:25] } 49. Qxf4 { [%eval -1.02] [%clk 0:01:06] } 49... Ke7 { [%eval -0.85] [%clk 0:01:17] } 50. Ra3 { [%eval -0.67] [%clk 0:01:27] } 50... Qf6 { [%eval -0.62] [%clk 0:01:04] } 51. Qxf6+ { [%eval -0.72] [%clk 0:00:46] } 51... Kxf6 { [%eval -0.57] [%clk 0:01:33] } 52. Ke2 { [%eval -0.85] [%clk 0:00:37] } 52... Ke7 { [%eval -0.32] [%clk 0:01:47] } 53. Ke3?! { [%eval -1.27] } { Inaccuracy. Nf1 was best. } { [%clk 0:00:56] } 53... Nxa6 { [%eval -1.44] [%clk 0:01:16] } 54. Nf3 { [%eval -1.4] [%clk 0:01:07] } 54... Ra8 { [%eval -1.44] [%clk 0:01:24] } 55. Nd4 { [%eval -1.43] [%clk 0:01:27] } 55... Nc7 { [%eval -1.43] [%clk 0:01:35] } 56. Nf5+ { [%eval -1.34] [%clk 0:01:30] } 56... Kf6 { [%eval -0.96] [%clk 0:01:38] } 57. Rxa8 { [%eval -0.88] [%clk 0:00:39] } 57... Nxa8 { [%eval -0.83] [%clk 0:02:06] } 58. Kf4? { [%eval -2.55] } { Mistake. Nxh6 was best. } 0-1