Event: Round 1: Roberto Navarro Segura - Juan Carlos Obregon Rivero
Date: 2023-11-07
White: Roberto Navarro Segura
WhiteTitle: IM
WhiteElo: 2055
Black: Juan Carlos Obregon Rivero
BlackTitle: GM
BlackElo: 2483
Result: 0-1
ECO: B62
Opening: Sicilian Defense: Richter-Rauzer Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:21:45] } 1... c5 { [%eval 0.32] [%clk 1:30:51] } 2. Nf3 { [%eval 0.0] [%clk 1:22:08] } 2... Nc6 { [%eval 0.0] [%clk 1:31:13] } 3. d4 { [%eval 0.33] [%clk 1:22:28] } 3... cxd4 { [%eval 0.38] [%clk 1:31:13] } 4. Nxd4 { [%eval 0.29] [%clk 1:22:50] } 4... Nf6 { [%eval 0.36] [%clk 1:31:35] } 5. Nc3 { [%eval 0.32] [%clk 1:23:16] } 5... d6 { [%eval 0.47] [%clk 1:31:53] } 6. Bg5 { [%eval 0.0] [%clk 1:23:33] } 6... e6 { [%eval 0.23] [%clk 1:32:13] } 7. Be2 { [%eval 0.0] [%clk 1:21:18] } 7... Be7 { [%eval 0.09] [%clk 1:31:06] } 8. O-O { [%eval 0.03] [%clk 1:21:16] } 8... O-O { [%eval 0.09] [%clk 1:31:03] } 9. Qd2 { [%eval 0.0] [%clk 1:19:52] } 9... h6 { [%eval 0.06] [%clk 1:24:52] } 10. Bh4?! { [%eval -0.5] } { Inaccuracy. Be3 was best. } { [%clk 1:15:40] } 10... Nxd4 { [%eval -0.46] [%clk 1:23:00] } 11. Qxd4 { [%eval -0.56] [%clk 1:13:31] } 11... Nxe4 { [%eval -0.48] [%clk 1:23:13] } 12. Nxe4 { [%eval -0.48] [%clk 1:13:03] } 12... Bxh4 { [%eval -0.47] [%clk 1:23:37] } 13. Qxd6 { [%eval -0.61] [%clk 1:12:34] } 13... f5 { [%eval -0.86] [%clk 1:23:36] } 14. Qxd8 { [%eval -0.68] [%clk 1:12:12] } 14... Rxd8 { [%eval -0.79] [%clk 1:24:04] } 15. Nc5 { [%eval -0.75] [%clk 1:11:07] } 15... b6 { [%eval -0.5] [%clk 1:23:59] } 16. Nb3 { [%eval -0.65] [%clk 1:08:23] } 16... e5 { [%eval -0.52] [%clk 1:22:42] } 17. Rad1 { [%eval -0.67] [%clk 0:57:42] } 17... Be6 { [%eval -0.35] [%clk 1:22:33] } 18. Rxd8+?! { [%eval -0.94] } { Inaccuracy. f4 was best. } { [%clk 0:56:06] } 18... Rxd8 { [%eval -0.86] [%clk 1:22:31] } 19. Rd1 { [%eval -0.89] [%clk 0:55:52] } 19... Rc8 { [%eval -0.78] [%clk 1:20:17] } 20. c3 { [%eval -0.9] [%clk 0:55:49] } 20... Kf7 { [%eval -0.54] [%clk 1:20:21] } 21. Kf1 { [%eval -0.8] [%clk 0:51:42] } 21... g6 { [%eval -0.81] [%clk 1:20:20] } 22. Nc1 { [%eval -0.94] [%clk 0:48:03] } 22... Be7 { [%eval -0.91] [%clk 1:18:50] } 23. Bb5 { [%eval -1.01] [%clk 0:40:03] } 23... h5 { [%eval -0.73] [%clk 1:17:30] } 24. Bd7 { [%eval -0.96] [%clk 0:37:41] } 24... Bc4+ { [%eval -0.92] [%clk 1:17:25] } 25. Ke1 { [%eval -0.96] [%clk 0:38:00] } 25... Rc7 { [%eval -0.95] [%clk 1:15:19] } 26. Ba4 { [%eval -0.93] [%clk 0:38:13] } 26... Kf6 { [%eval -0.88] [%clk 1:14:53] } 27. Rd7 { [%eval -1.22] [%clk 0:37:57] } 27... Rxd7 { [%eval -1.24] [%clk 1:15:10] } 28. Bxd7 { [%eval -1.21] [%clk 0:38:19] } 28... h4 { [%eval -1.1] [%clk 1:13:25] } 29. h3?! { [%eval -1.72] } { Inaccuracy. Bc6 was best. } { [%clk 0:37:17] } 29... Bd5 { [%eval -1.68] [%clk 1:11:56] } 30. Kf1 { [%eval -1.71] [%clk 0:35:30] } 30... Bf8 { [%eval -1.79] [%clk 1:12:09] } 31. b3 { [%eval -1.82] [%clk 0:33:00] } 31... Bh6 { [%eval -1.68] [%clk 1:11:43] } 32. Nd3 { [%eval -1.76] [%clk 0:27:09] } 32... Be4 { [%eval -1.8] [%clk 1:07:47] } 33. Bb5 { [%eval -1.78] [%clk 0:27:22] } 33... Bd2 { [%eval -1.64] [%clk 1:07:56] } 34. f3 { [%eval -1.91] [%clk 0:26:49] } 34... Bb7 { [%eval -1.68] [%clk 1:08:04] } 35. c4 { [%eval -1.52] [%clk 0:26:49] } 35... g5 { [%eval -1.09] [%clk 1:01:58] } 36. c5 { [%eval -1.05] [%clk 0:24:59] } 36... Bc3 { [%eval -1.11] [%clk 0:56:54] } 37. c6? { [%eval -2.32] } { Mistake. a4 was best. } { [%clk 0:17:15] } 37... Bc8 { [%eval -2.64] [%clk 0:57:18] } 38. Bc4 { [%eval -2.61] [%clk 0:17:35] } 38... a6 { [%eval -2.35] [%clk 0:48:12] } 39. a4 { [%eval -2.82] [%clk 0:17:13] } 39... a5 { [%eval -2.54] [%clk 0:48:18] } 40. Ke2 { [%eval -2.88] [%clk 0:13:14] } 40... Ke7 { [%eval -3.17] [%clk 0:47:58] } 41. Bb5 { [%eval -2.86] [%clk 0:09:25] } 41... Kd6 { [%eval -3.05] [%clk 0:47:26] } 42. Nf2?! { [%eval -4.6] } { Inaccuracy. Nc1 was best. } { [%clk 0:06:45] } 42... Be6 { [%eval -4.53] [%clk 0:47:13] } 43. Bc4 { [%eval -4.89] [%clk 0:06:46] } 43... Bxc4+ { [%eval -5.08] [%clk 0:47:20] } 44. bxc4 { [%eval -4.97] [%clk 0:07:09] } 44... Kxc6 { [%eval -4.86] [%clk 0:47:46] } 45. Nd3 { [%eval -4.83] [%clk 0:07:15] } 45... Bd4 { [%eval -5.16] [%clk 0:48:05] } 46. Kd2 { [%eval -5.52] [%clk 0:07:08] } 46... e4 { [%eval -5.3] [%clk 0:48:00] } 47. fxe4 { [%eval -5.78] [%clk 0:05:37] } 47... fxe4 { [%eval -5.68] [%clk 0:48:28] } 0-1