Event: Round 10: Pereira, Silvio Cunha - Matsuura, Everaldo
Date: 2024-12-20
White: Pereira, Silvio Cunha
WhiteTitle: IM
WhiteElo: 2154
Black: Matsuura, Everaldo
BlackTitle: GM
BlackElo: 2370
Result: 0-1
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:13:54] } 1... c5 { [%eval 0.25] [%clk 1:21:29] } 2. Nf3 { [%eval 0.2] [%clk 1:23:10] } 2... Nc6 { [%eval 0.25] [%clk 1:21:30] } 3. d4 { [%eval 0.27] [%clk 1:23:07] } 3... cxd4 { [%eval 0.35] [%clk 1:21:42] } 4. Nxd4 { [%eval 0.21] [%clk 1:23:13] } 4... Nf6 { [%eval 0.19] [%clk 1:21:06] } 5. Nc3 { [%eval 0.26] [%clk 1:23:07] } 5... e5 { [%eval 0.34] [%clk 1:20:57] } 6. Ndb5 { [%eval 0.29] [%clk 1:22:54] } 6... d6 { [%eval 0.34] [%clk 1:21:07] } 7. Bg5 { [%eval 0.29] [%clk 1:19:37] } 7... a6 { [%eval 0.33] [%clk 1:20:47] } 8. Bxf6 { [%eval -0.12] [%clk 1:19:34] } 8... gxf6 { [%eval 0.09] [%clk 1:20:56] } 9. Na3 { [%eval 0.0] [%clk 1:19:48] } 9... f5 { [%eval 0.0] [%clk 1:19:49] } 10. exf5 { [%eval -0.14] [%clk 1:13:12] } 10... Bxf5 { [%eval -0.15] [%clk 1:18:49] } 11. Nc4 { [%eval -0.3] [%clk 1:13:07] } 11... Be6 { [%eval -0.25] [%clk 1:18:02] } 12. Nd5 { [%eval -0.43] [%clk 1:09:16] } 12... Nd4 { [%eval -0.42] [%clk 1:17:10] } 13. Nce3 { [%eval -0.24] [%clk 1:09:10] } 13... Bxd5 { [%eval -0.3] [%clk 1:16:35] } 14. Nxd5 { [%eval -0.32] [%clk 1:01:02] } 14... Qa5+ { [%eval -0.4] [%clk 1:16:30] } 15. c3 { [%eval -0.4] [%clk 0:58:06] } 15... Qxd5 { [%eval -0.23] [%clk 1:16:26] } 16. cxd4 { [%eval -0.26] [%clk 0:58:26] } 16... e4 { [%eval -0.36] [%clk 1:16:09] } 17. Qa4+ { [%eval -0.44] [%clk 0:54:44] } 17... b5 { [%eval -0.2] [%clk 1:13:34] } 18. Qb3 { [%eval -0.22] [%clk 0:54:08] } 18... Qxd4 { [%eval -0.01] [%clk 1:07:09] } 19. a4? { [%eval -1.27] } { Mistake. Rd1 was best. } { [%clk 0:48:35] } 19... Bg7?! { [%eval -0.25] } { Inaccuracy. d5 was best. } { [%clk 0:46:22] } 20. axb5 { [%eval -0.2] [%clk 0:46:44] } 20... O-O { [%eval -0.29] [%clk 0:45:19] } 21. Ra4 { [%eval -0.62] [%clk 0:28:43] } 21... Qc5 { [%eval -0.53] [%clk 0:34:53] } 22. Be2 { [%eval -0.5] [%clk 0:13:05] } 22... Qc1+ { [%eval -0.22] [%clk 0:28:12] } 23. Bd1 { [%eval -0.2] [%clk 0:11:31] } 23... axb5 { [%eval -0.2] [%clk 0:26:18] } 24. Rxa8 { [%eval -0.16] [%clk 0:11:05] } 24... Rxa8 { [%eval -0.19] [%clk 0:26:41] } 25. Qd5 { [%eval -0.25] [%clk 0:08:08] } 25... Rc8 { [%eval -0.08] [%clk 0:18:34] } 26. O-O { [%eval -0.16] [%clk 0:07:21] } 26... Qc6 { [%eval -0.14] [%clk 0:08:18] } 27. Qd2 { [%eval -0.41] [%clk 0:04:12] } 27... d5 { [%eval -0.44] [%clk 0:08:25] } 28. Bb3 { [%eval -0.39] [%clk 0:03:51] } 28... d4 { [%eval -0.48] [%clk 0:08:17] } 29. Qf4 { [%eval -0.48] [%clk 0:03:49] } 29... Qg6 { [%eval -0.2] [%clk 0:07:18] } 30. Bd5 { [%eval -0.66] [%clk 0:03:44] } 30... Re8 { [%eval -0.81] [%clk 0:07:35] } 31. g3 { [%eval -0.82] [%clk 0:03:01] } 31... d3 { [%eval -0.62] [%clk 0:06:02] } 32. Qc7? { [%eval -1.94] } { Mistake. Rc1 was best. } { [%clk 0:02:11] } 32... Qf6 { [%eval -1.61] [%clk 0:02:30] } 33. Qc6? { [%eval -2.99] } { Mistake. Qb7 was best. } { [%clk 0:02:00] } 33... Qxc6 { [%eval -2.91] [%clk 0:02:40] } 34. Bxc6 { [%eval -2.74] [%clk 0:02:26] } 34... Re5 { [%eval -2.82] [%clk 0:02:43] } 35. f4?! { [%eval -3.82] } { Inaccuracy. Rc1 was best. } { [%clk 0:02:28] } 35... Re6 { [%eval -3.63] [%clk 0:02:28] } 36. Bd5?! { [%eval -5.31] } { Inaccuracy. Bxb5 was best. } { [%clk 0:01:54] } 36... Re7 { [%eval -5.5] [%clk 0:02:32] } 37. Kf2?! { [%eval -7.69] } { Inaccuracy. Rb1 was best. } { [%clk 0:01:31] } 37... e3+ { [%eval -7.69] [%clk 0:02:45] } 0-1