Event: Round 9: Juan Sebastian Melian - Everaldo Matsuura
Date: 2023-04-08
White: Juan Sebastian Melian
WhiteTitle: FM
Black: Everaldo Matsuura
BlackTitle: GM
Result: 1-0
ECO: B20
Opening: Sicilian Defense: Snyder Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:55] } 1... c5 { [%eval 0.32] [%clk 1:29:58] } 2. b3 { [%eval -0.21] [%clk 1:28:40] } 2... g6 { [%eval 0.0] [%clk 1:28:17] } 3. Bb2 { [%eval 0.0] [%clk 1:28:47] } 3... Nf6 { [%eval 0.0] [%clk 1:27:53] } 4. e5 { [%eval -0.05] [%clk 1:29:08] } 4... Nd5 { [%eval -0.12] [%clk 1:23:49] } 5. Nc3 { [%eval -0.08] [%clk 1:29:33] } 5... Nxc3 { [%eval 0.0] [%clk 1:22:29] } 6. Bxc3 { [%eval -0.13] [%clk 1:29:56] } 6... Bg7 { [%eval 0.0] [%clk 1:21:49] } 7. h4 { [%eval -0.21] [%clk 1:30:10] } 7... d5?! { [%eval 0.64] } { Inaccuracy. Nc6 was best. } { [%clk 0:56:19] } 8. exd6 { [%eval -0.31] [%clk 1:24:22] } 8... Bxc3?! { [%eval 0.73] } { Inaccuracy. O-O was best. } { [%clk 0:52:57] } 9. dxc3 { [%eval 0.72] [%clk 1:15:46] } 9... O-O { [%eval 0.96] [%clk 0:50:55] } 10. Bc4 { [%eval 1.14] [%clk 0:48:13] } 10... h5 { [%eval 1.3] [%clk 0:38:57] } 11. Qd2 { [%eval 1.38] [%clk 0:41:05] } 11... Qxd6 { [%eval 1.34] [%clk 0:37:34] } 12. Qxd6 { [%eval 1.29] [%clk 0:41:30] } 12... exd6 { [%eval 1.54] [%clk 0:37:55] } 13. O-O-O { [%eval 1.58] [%clk 0:41:54] } 13... Rd8 { [%eval 1.34] [%clk 0:31:31] } 14. Nf3 { [%eval 1.32] [%clk 0:41:20] } 14... Bg4 { [%eval 1.8] [%clk 0:29:20] } 15. Ng5 { [%eval 1.57] [%clk 0:40:21] } 15... Bxd1 { [%eval 1.68] [%clk 0:28:49] } 16. Nxf7 { [%eval 1.71] [%clk 0:39:09] } 16... Rf8 { [%eval 1.96] [%clk 0:23:39] } 17. Nxd6+ { [%eval 1.79] [%clk 0:35:32] } 17... Kg7 { [%eval 2.05] [%clk 0:22:17] } 18. Rxd1 { [%eval 1.81] [%clk 0:35:46] } 18... Nd7 { [%eval 2.15] [%clk 0:18:10] } 19. Nxb7 { [%eval 2.06] [%clk 0:31:32] } 19... Nb6 { [%eval 1.85] [%clk 0:18:20] } 20. Nxc5 { [%eval 1.9] [%clk 0:28:27] } 20... Rxf2 { [%eval 1.82] [%clk 0:18:19] } 21. Bf1 { [%eval 1.72] [%clk 0:20:33] } 21... Re8 { [%eval 1.63] [%clk 0:17:14] } 22. Nd3 { [%eval 1.39] [%clk 0:20:43] } 22... Rf5 { [%eval 1.66] [%clk 0:16:45] } 23. c4 { [%eval 1.56] [%clk 0:18:07] } 23... Nd7 { [%eval 1.6] [%clk 0:14:24] } 24. Kb2 { [%eval 1.67] [%clk 0:11:42] } 24... Nf6 { [%eval 1.66] [%clk 0:13:58] } 25. Nb4 { [%eval 1.94] [%clk 0:08:18] } 25... a5 { [%eval 1.87] [%clk 0:08:15] } 26. Nc6 { [%eval 1.53] [%clk 0:08:32] } 26... Ng4 { [%eval 1.57] [%clk 0:06:01] } 27. Bd3 { [%eval 1.77] [%clk 0:05:06] } 27... Rf2 { [%eval 2.25] [%clk 0:06:08] } 28. Nxa5 { [%eval 1.83] [%clk 0:05:10] } 28... Rxg2 { [%eval 1.58] [%clk 0:05:33] } 29. c5 { [%eval 1.71] [%clk 0:05:38] } 29... g5 { [%eval 2.25] [%clk 0:04:13] } 30. hxg5 { [%eval 1.87] [%clk 0:03:10] } 30... h4?! { [%eval 3.2] } { Inaccuracy. Nf2 was best. } { [%clk 0:03:59] } 31. Bf1 { [%eval 3.39] [%clk 0:02:34] } 31... Rg1 { [%eval 3.82] [%clk 0:03:12] } 32. Rd7+ { [%eval 3.29] [%clk 0:03:00] } 32... Kg6 { [%eval 4.08] [%clk 0:03:35] } 33. Bd3+ { [%eval 4.15] [%clk 0:02:07] } 33... Kxg5 { [%eval 3.98] [%clk 0:03:58] } 34. c6 { [%eval 3.95] [%clk 0:02:27] } 34... h3 { [%eval 4.23] [%clk 0:03:23] } 35. c7 { [%eval 4.16] [%clk 0:02:56] } 35... Rc8 { [%eval 4.54] [%clk 0:01:38] } 36. Ba6 { [%eval 4.47] [%clk 0:01:00] } 36... h2 { [%eval 5.16] [%clk 0:02:00] } 37. Bxc8 { [%eval 4.77] [%clk 0:00:59] } 37... h1=Q { [%eval 4.81] [%clk 0:02:21] } 38. Bb7 { [%eval 4.83] [%clk 0:00:56] } 38... Rb1+ { [%eval 5.05] [%clk 0:00:49] } 39. Ka3 { [%eval 4.97] [%clk 0:01:25] } 39... Qc1+ { [%eval 5.12] [%clk 0:01:10] } 40. Ka4 { [%eval 5.21] [%clk 0:01:25] } 40... Qf4+ { [%eval 5.49] [%clk 0:00:35] } 41. c4 { [%eval 5.88] [%clk 0:01:46] } 1-0