Event: Ronda 4: Zambrana, Osvaldo - Avila Pavas, Santiago
Date: 2024-12-02
White: Zambrana, Osvaldo
WhiteTitle: GM
WhiteElo: 2464
Black: Avila Pavas, Santiago
BlackTitle: GM
BlackElo: 2416
Result: 0-1
ECO: B72
Opening: Sicilian Defense: Dragon Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 0:10:06] } 1... c5 { [%eval 0.25] [%clk 0:10:09] } 2. Nf3 { [%eval 0.21] [%clk 0:10:08] } 2... d6 { [%eval 0.29] [%clk 0:10:13] } 3. d4 { [%eval 0.22] [%clk 0:10:10] } 3... cxd4 { [%eval 0.19] [%clk 0:10:16] } 4. Nxd4 { [%eval 0.18] [%clk 0:10:13] } 4... Nf6 { [%eval 0.24] [%clk 0:10:20] } 5. Nc3 { [%eval 0.17] [%clk 0:10:16] } 5... g6 { [%eval 0.46] [%clk 0:10:23] } 6. Be3 { [%eval 0.43] [%clk 0:10:15] } 6... Nc6 { [%eval 0.57] [%clk 0:10:27] } 7. Qd2 { [%eval 0.19] [%clk 0:10:14] } 7... h5?! { [%eval 0.84] } { Inaccuracy. Ng4 was best. } { [%clk 0:06:25] } 8. f3 { [%eval 0.43] [%clk 0:10:02] } 8... Nxd4 { [%eval 0.49] [%clk 0:06:27] } 9. Bxd4 { [%eval 0.46] [%clk 0:09:26] } 9... Bh6 { [%eval 0.44] [%clk 0:06:31] } 10. Be3 { [%eval 0.35] [%clk 0:09:29] } 10... Bxe3 { [%eval 0.41] [%clk 0:06:33] } 11. Qxe3 { [%eval 0.37] [%clk 0:09:32] } 11... Be6 { [%eval 0.36] [%clk 0:06:36] } 12. O-O-O { [%eval 0.36] [%clk 0:09:35] } 12... Qa5 { [%eval 0.33] [%clk 0:06:31] } 13. Kb1 { [%eval 0.09] [%clk 0:08:48] } 13... Rc8 { [%eval 0.18] [%clk 0:06:17] } 14. a3 { [%eval 0.07] [%clk 0:08:52] } 14... a6 { [%eval 0.19] [%clk 0:05:16] } 15. Ne2 { [%eval -0.06] [%clk 0:08:55] } 15... O-O { [%eval 0.06] [%clk 0:04:05] } 16. Nd4 { [%eval 0.13] [%clk 0:04:40] } 16... Kg7 { [%eval 0.39] [%clk 0:03:50] } 17. h3 { [%eval 0.21] [%clk 0:04:32] } 17... h4 { [%eval 0.7] [%clk 0:02:35] } 18. f4 { [%eval 0.67] [%clk 0:04:29] } 18... Bc4?! { [%eval 1.37] } { Inaccuracy. Qc5 was best. } { [%clk 0:02:13] } 19. Bxc4 { [%eval 1.33] [%clk 0:02:43] } 19... Rxc4 { [%eval 1.08] [%clk 0:02:17] } 20. Nb3?! { [%eval 0.0] } { Inaccuracy. e5 was best. } { [%clk 0:02:46] } 20... Qb5? { [%eval 1.26] } { Mistake. Qc7 was best. } { [%clk 0:00:29] } 21. e5? { [%eval -0.37] } { Mistake. Nd4 was best. } { [%clk 0:02:37] } 21... Nd5?! { [%eval 0.19] } { Inaccuracy. dxe5 was best. } { [%clk 0:00:33] } 22. Qf3 { [%eval 0.05] [%clk 0:02:41] } 22... Nxf4 { [%eval 0.04] [%clk 0:00:29] } 23. exd6 { [%eval 0.04] [%clk 0:02:40] } 23... e5 { [%eval 0.01] [%clk 0:00:32] } 24. Rhe1 { [%eval 0.05] [%clk 0:02:31] } 24... Rd8 { [%eval 0.0] [%clk 0:00:19] } 25. Re4 { [%eval 0.02] [%clk 0:01:12] } 25... Rxe4 { [%eval 0.04] [%clk 0:00:11] } 26. Qxe4 { [%eval 0.07] [%clk 0:01:16] } 26... b6?? { [%eval 2.99] } { Blunder. f6 was best. } { [%clk 0:00:07] } 27. a4 { [%eval 3.09] [%clk 0:01:19] } 27... Qe2 { [%eval 3.02] [%clk 0:00:07] } 28. Qxe2 { [%eval 2.86] [%clk 0:00:13] } 28... Nxe2 { [%eval 3.01] [%clk 0:00:11] } 29. Rd2?? { [%eval -0.09] } { Blunder. a5 was best. } { [%clk 0:00:18] } 29... Ng3 { [%eval -0.13] [%clk 0:00:10] } 30. a5 { [%eval -0.1] [%clk 0:00:21] } 30... bxa5 { [%eval 0.25] [%clk 0:00:10] } 31. Nc5 { [%eval 0.32] [%clk 0:00:25] } 31... Kf8? { [%eval 1.68] } { Mistake. e4 was best. } { [%clk 0:00:07] } 32. d7?? { [%eval -0.31] } { Blunder. c4 was best. } { [%clk 0:00:29] } 32... Ke7 { [%eval -0.47] [%clk 0:00:10] } 33. Rd5? { [%eval -1.66] } { Mistake. b3 was best. } { [%clk 0:00:27] } 33... f6 { [%eval -1.72] [%clk 0:00:11] } 34. Kc1? { [%eval -3.51] } { Mistake. c4 was best. } { [%clk 0:00:22] } 34... Ne2+ { [%eval -3.72] [%clk 0:00:15] } 35. Kd1 { [%eval -3.72] [%clk 0:00:19] } 35... Nf4 { [%eval -3.73] [%clk 0:00:13] } 36. Rd2 { [%eval -3.67] [%clk 0:00:23] } 36... Ne6 { [%eval -3.63] [%clk 0:00:18] } 37. Nxa6 { [%clk 0:00:06] } 37... Rxd7 { [%clk 0:00:22] } 38. Rxd7+ { [%clk 0:00:10] } 38... Kxd7 { [%clk 0:00:26] } 39. b4 { [%clk 0:00:00] } 0-1