Event: Ronda 4: Estrada Nieto, Julian - Obregon Rivero, Juan Carlos
Date: 2024-08-08
White: Estrada Nieto, Julian
WhiteTitle: IM
WhiteElo: 2218
Black: Obregon Rivero, Juan Carlos
BlackTitle: GM
BlackElo: 2487
Result: 0-1
ECO: B52
Opening: Sicilian Defense: Moscow Variation, Main Line
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:49] } 2. Nf3 { [%eval 0.22] [%clk 1:31:23] } 2... d6 { [%eval 0.3] [%clk 1:29:35] } 3. Bb5+ { [%eval 0.15] [%clk 1:31:33] } 3... Bd7 { [%eval 0.22] [%clk 1:29:53] } 4. Bxd7+ { [%eval 0.2] [%clk 1:31:14] } 4... Qxd7 { [%eval 0.15] [%clk 1:30:20] } 5. O-O { [%eval 0.11] [%clk 1:31:34] } 5... Nf6 { [%eval 0.19] [%clk 1:30:09] } 6. Qe2 { [%eval 0.08] [%clk 1:31:55] } 6... Nc6 { [%eval 0.16] [%clk 1:30:29] } 7. c3 { [%eval 0.18] [%clk 1:32:11] } 7... e6 { [%eval 0.05] [%clk 1:30:34] } 8. d4 { [%eval 0.05] [%clk 1:32:35] } 8... cxd4 { [%eval 0.13] [%clk 1:30:41] } 9. cxd4 { [%eval 0.11] [%clk 1:33:00] } 9... d5 { [%eval 0.13] [%clk 1:31:04] } 10. e5 { [%eval 0.08] [%clk 1:33:23] } 10... Ne4 { [%eval 0.04] [%clk 1:31:30] } 11. Nbd2 { [%eval -0.05] [%clk 1:33:45] } 11... Nxd2 { [%eval 0.0] [%clk 1:31:53] } 12. Bxd2 { [%eval 0.01] [%clk 1:34:11] } 12... Bb4 { [%eval 0.03] [%clk 1:32:00] } 13. Be3 { [%eval 0.01] [%clk 1:24:54] } 13... O-O { [%eval -0.02] [%clk 1:32:08] } 14. Rac1 { [%eval -0.05] [%clk 1:22:23] } 14... Rfc8 { [%eval -0.03] [%clk 1:32:04] } 15. Qd3 { [%eval -0.15] [%clk 1:21:08] } 15... h6 { [%eval -0.04] [%clk 1:30:29] } 16. h4 { [%eval 0.0] [%clk 1:15:52] } 16... Be7 { [%eval -0.04] [%clk 1:28:36] } 17. Bd2 { [%eval -0.16] [%clk 1:09:21] } 17... Qd8 { [%eval 0.07] [%clk 1:22:30] } 18. g3 { [%eval -0.06] [%clk 1:05:51] } 18... a5 { [%eval 0.0] [%clk 1:19:21] } 19. Kg2 { [%eval -0.06] [%clk 0:58:34] } 19... Qb6 { [%eval -0.08] [%clk 1:18:32] } 20. Qb1 { [%eval -0.11] [%clk 0:50:02] } 20... a4 { [%eval -0.12] [%clk 1:14:09] } 21. g4 { [%eval -0.15] [%clk 0:38:41] } 21... a3 { [%eval 0.04] [%clk 1:09:57] } 22. bxa3 { [%eval -0.28] [%clk 0:34:18] } 22... Qa7?! { [%eval 0.28] } { Inaccuracy. Qxb1 was best. } { [%clk 1:04:11] } 23. g5 { [%eval 0.34] [%clk 0:30:00] } 23... h5? { [%eval 1.77] } { Mistake. Bxa3 was best. } { [%clk 0:40:38] } 24. g6 { [%eval 1.79] [%clk 0:28:24] } 24... f6 { [%eval 1.44] [%clk 0:41:07] } 25. Rfe1?? { [%eval -0.24] } { Blunder. Rc2 was best. } { [%clk 0:16:42] } 25... fxe5 { [%eval -0.21] [%clk 0:39:02] } 26. dxe5?? { [%eval -2.01] } { Blunder. Rxc6 was best. } { [%clk 0:09:09] } 26... Qa4? { [%eval -0.42] } { Mistake. Rf8 was best. } { [%clk 0:33:17] } 27. Bb4 { [%eval -0.33] [%clk 0:09:23] } 27... Bxb4 { [%eval 0.0] [%clk 0:32:06] } 28. axb4 { [%eval -0.07] [%clk 0:09:51] } 28... Nxb4 { [%eval 0.0] [%clk 0:31:08] } 29. Rxc8+ { [%eval 0.0] [%clk 0:06:01] } 29... Rxc8 { [%eval 0.0] [%clk 0:31:36] } 30. Rc1?? { [%eval -3.04] } { Blunder. Nd4 was best. } { [%clk 0:06:20] } 30... Nc2?? { [%eval 0.0] } { Blunder. Nc6 was best. } { [%clk 0:24:01] } 31. Qxb7?? { [%eval -3.75] } { Blunder. Qb6 was best. } { [%clk 0:05:27] } 31... Rf8?? { [%eval -0.4] } { Blunder. Qg4+ was best. } { [%clk 0:20:22] } 32. Nh2?? { [%eval -5.95] } { Blunder. Qb3 was best. } { [%clk 0:04:20] } 32... Qe4+ { [%eval -5.75] [%clk 0:19:48] } 33. f3 { [%eval -5.72] [%clk 0:01:36] } 33... Ne3+ { [%eval -5.46] [%clk 0:15:07] } 34. Kf2?? { [%eval #-6] } { Checkmate is now unavoidable. Kg3 was best. } { [%clk 0:00:40] } 34... Qxh4+?? { [%eval -6.04] } { Lost forced checkmate sequence. Ng4+ was best. } { [%clk 0:15:19] } 35. Kxe3 { [%eval -5.83] [%clk 0:00:42] } 35... Qf4+ { [%eval -5.72] [%clk 0:15:42] } 0-1