Event: Round 7: De Siqueira, Luigy Lira - Matsuura, Everaldo
Date: 2025-07-04
White: De Siqueira, Luigy Lira
WhiteTitle: FM
WhiteElo: 2398
Black: Matsuura, Everaldo
BlackTitle: GM
BlackElo: 2377
Result: 0-1
ECO: B30
Opening: Sicilian Defense: Old Sicilian
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:17:59] } 1... c5 { [%eval 0.25] [%clk 1:25:01] } 2. Nf3 { [%eval 0.2] [%clk 1:17:43] } 2... Nc6 { [%eval 0.3] [%clk 1:25:14] } 3. Nc3 { [%eval 0.2] [%clk 1:16:49] } 3... g6 { [%eval 0.26] [%clk 1:25:19] } 4. Bb5 { [%eval 0.12] [%clk 1:16:01] } 4... Bg7 { [%eval 0.13] [%clk 1:25:00] } 5. d3 { [%eval -0.04] [%clk 1:14:52] } 5... d6 { [%eval 0.07] [%clk 1:13:01] } 6. e5 { [%eval 0.12] [%clk 1:13:07] } 6... dxe5 { [%eval 0.08] [%clk 1:05:21] } 7. Bxc6+ { [%eval 0.19] [%clk 1:10:14] } 7... bxc6 { [%eval 0.16] [%clk 1:05:39] } 8. O-O { [%eval 0.15] [%clk 1:09:58] } 8... f6 { [%eval 0.6] [%clk 0:54:31] } 9. Qe2 { [%eval 0.42] [%clk 1:08:40] } 9... Nh6 { [%eval 0.43] [%clk 0:53:43] } 10. Be3 { [%eval 0.51] [%clk 1:04:25] } 10... O-O { [%eval 0.51] [%clk 0:51:35] } 11. Bxc5 { [%eval 0.44] [%clk 1:04:40] } 11... Nf5 { [%eval 0.98] [%clk 0:49:38] } 12. b4 { [%eval 0.43] [%clk 0:54:13] } 12... a5 { [%eval 0.8] [%clk 0:46:02] } 13. a3 { [%eval 0.78] [%clk 0:53:34] } 13... Qc7 { [%eval 0.81] [%clk 0:46:11] } 14. Rfe1 { [%eval 0.74] [%clk 0:41:22] } 14... Kh8 { [%eval 0.98] [%clk 0:42:44] } 15. h3 { [%eval 1.05] [%clk 0:38:54] } 15... Re8 { [%eval 0.89] [%clk 0:35:19] } 16. Na4 { [%eval 0.98] [%clk 0:36:12] } 16... Rb8 { [%eval 0.88] [%clk 0:34:10] } 17. Qd2 { [%eval 0.59] [%clk 0:36:20] } 17... axb4 { [%eval 1.03] [%clk 0:34:10] } 18. axb4 { [%eval 0.92] [%clk 0:36:39] } 18... Nd6 { [%eval 1.25] [%clk 0:32:45] } 19. Nb2?! { [%eval 0.67] } { Inaccuracy. Nc3 was best. } { [%clk 0:35:22] } 19... Bf5 { [%eval 0.9] [%clk 0:26:34] } 20. Ra7 { [%eval 0.9] [%clk 0:29:34] } 20... Rb7 { [%eval 0.92] [%clk 0:26:36] } 21. Rea1 { [%eval 0.89] [%clk 0:29:59] } 21... Be6 { [%eval 0.92] [%clk 0:23:57] } 22. Qe3 { [%eval 0.83] [%clk 0:26:47] } 22... Nf5 { [%eval 1.2] [%clk 0:17:13] } 23. Qe1 { [%eval 1.08] [%clk 0:26:08] } 23... Reb8 { [%eval 1.25] [%clk 0:15:58] } 24. R7a6 { [%eval 0.95] [%clk 0:23:34] } 24... Nd6 { [%eval 1.4] [%clk 0:11:46] } 25. c3 { [%eval 1.4] [%clk 0:14:41] } 25... Bd5 { [%eval 1.4] [%clk 0:07:24] } 26. Qe3 { [%eval 0.89] [%clk 0:12:18] } 26... Nf5 { [%eval 1.24] [%clk 0:07:23] } 27. Qe2 { [%eval 1.36] [%clk 0:12:43] } 27... Nd6 { [%eval 1.28] [%clk 0:07:30] } 28. c4?! { [%eval 0.56] } { Inaccuracy. Nc4 was best. } { [%clk 0:09:29] } 28... Bg8 { [%eval 0.7] [%clk 0:06:18] } 29. Qe1 { [%eval 0.78] [%clk 0:06:39] } 29... Qd7 { [%eval 1.07] [%clk 0:04:43] } 30. Rc1?! { [%eval 0.22] } { Inaccuracy. Na4 was best. } { [%clk 0:03:41] } 30... Nf5?! { [%eval 0.99] } { Inaccuracy. Ne8 was best. } { [%clk 0:04:06] } 31. Qe4 { [%eval 0.73] [%clk 0:03:27] } 31... Rc8 { [%eval 0.98] [%clk 0:04:29] } 32. Na4 { [%eval 0.93] [%clk 0:03:33] } 32... Nd6 { [%eval 0.9] [%clk 0:03:47] } 33. Qe2 { [%eval 0.74] [%clk 0:03:13] } 33... Qe8 { [%eval 0.74] [%clk 0:03:12] } 34. Qe1 { [%eval 0.58] [%clk 0:01:18] } 34... e4 { [%eval 0.61] [%clk 0:02:21] } 35. Nb6? { [%eval -1.03] } { Mistake. dxe4 was best. } { [%clk 0:01:01] } 35... exf3 { [%eval -1.35] [%clk 0:02:03] } 36. Nxc8 { [%eval -1.15] [%clk 0:00:37] } 36... Qxc8 { [%eval -1.18] [%clk 0:02:27] } 37. Bxd6 { [%eval -1.6] [%clk 0:00:33] } 37... exd6 { [%eval -1.34] [%clk 0:02:49] } 38. b5 { [%eval -0.99] [%clk 0:01:02] } 38... fxg2 { [%eval -0.95] [%clk 0:01:20] } 39. Kxg2?! { [%eval -1.62] } { Inaccuracy. Qe3 was best. } { [%clk 0:01:29] } 39... cxb5 { [%eval -1.77] [%clk 0:01:22] } 40. cxb5 { [%eval -1.91] [%clk 0:01:57] } 40... Qb8 { [%eval -2.13] [%clk 0:00:48] } 41. Qb4? { [%eval -4.04] } { Mistake. Qe4 was best. } { [%clk 0:00:49] } 41... Rxb5 { [%eval -4.25] [%clk 0:00:59] } 42. Qxd6 { [%eval -3.97] [%clk 0:01:06] } 42... Rg5+ { [%eval -4.12] [%clk 0:01:13] } 43. Kf1 { [%eval -3.44] [%clk 0:01:04] } 43... Qb7 { [%eval -3.43] [%clk 0:01:19] } 44. Rac6 { [%eval -3.31] [%clk 0:00:43] } 44... h5 { [%eval -3.01] [%clk 0:01:27] } 45. Qd8 { [%eval -3.59] [%clk 0:00:00] } 0-1