Event: IBEROAMERICANO
Date: 2024-09-28
White: Zambrana, Osvaldo
WhiteTitle: GM
WhiteElo: 2405
Black: Vallejo Pons, Francisco
BlackTitle: GM
BlackElo: 2657
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Freak Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:53] } 1... c5 { [%eval 0.25] [%clk 1:30:25] } 2. Nf3 { [%eval 0.31] [%clk 1:31:07] } 2... d6 { [%eval 0.21] [%clk 1:30:48] } 3. d4 { [%eval 0.27] [%clk 1:31:04] } 3... cxd4 { [%eval 0.19] [%clk 1:31:12] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:29] } 4... Nf6 { [%eval 0.24] [%clk 1:31:37] } 5. Nc3 { [%eval 0.16] [%clk 1:31:52] } 5... a6 { [%eval 0.29] [%clk 1:31:46] } 6. Rg1 { [%eval 0.0] [%clk 1:31:40] } 6... b5 { [%eval 0.0] [%clk 1:26:28] } 7. g4 { [%eval -0.07] [%clk 1:30:19] } 7... Bb7 { [%eval 0.0] [%clk 1:25:02] } 8. Bg2 { [%eval 0.06] [%clk 1:23:04] } 8... e6 { [%eval 0.1] [%clk 1:22:16] } 9. Qe2 { [%eval -0.34] [%clk 1:13:21] } 9... Nfd7 { [%eval -0.13] [%clk 1:19:15] } 10. Be3 { [%eval -0.21] [%clk 1:06:10] } 10... Nc6 { [%eval -0.14] [%clk 1:07:07] } 11. O-O-O { [%eval -0.27] [%clk 1:02:09] } 11... Be7 { [%eval -0.19] [%clk 1:02:53] } 12. a3 { [%eval -0.19] [%clk 0:47:57] } 12... Nce5? { [%eval 0.92] } { Mistake. Rc8 was best. } { [%clk 0:57:57] } 13. f4 { [%eval 0.93] [%clk 0:39:50] } 13... Nc4 { [%eval 0.89] [%clk 0:58:06] } 14. Bf2?! { [%eval 0.19] } { Inaccuracy. g5 was best. } { [%clk 0:40:15] } 14... O-O { [%eval 0.35] [%clk 0:47:40] } 15. h4? { [%eval -0.78] } { Mistake. g5 was best. } { [%clk 0:27:19] } 15... Rc8 { [%eval -0.95] [%clk 0:42:22] } 16. Rd3?! { [%eval -1.57] } { Inaccuracy. Nb1 was best. } { [%clk 0:27:37] } 16... Re8?! { [%eval -0.67] } { Inaccuracy. Nc5 was best. } { [%clk 0:35:14] } 17. g5 { [%eval -0.83] [%clk 0:27:34] } 17... e5 { [%eval -0.74] [%clk 0:31:41] } 18. fxe5 { [%eval -0.74] [%clk 0:25:58] } 18... Ndxe5 { [%eval -0.71] [%clk 0:32:04] } 19. Rg3 { [%eval -0.61] [%clk 0:26:13] } 19... g6?! { [%eval 0.0] } { Inaccuracy. d5 was best. } { [%clk 0:24:01] } 20. Kb1 { [%eval -0.38] [%clk 0:19:59] } 20... Bf8 { [%eval -0.68] [%clk 0:23:33] } 21. Qd1 { [%eval -0.74] [%clk 0:17:24] } 21... Bg7 { [%eval -1.1] [%clk 0:22:41] } 22. Nb3? { [%eval -2.42] } { Mistake. Rf1 was best. } { [%clk 0:10:51] } 22... a5 { [%eval -2.35] [%clk 0:14:23] } 23. Bd4 { [%eval -2.2] [%clk 0:10:51] } 23... Bc6? { [%eval -0.47] } { Mistake. b4 was best. } { [%clk 0:11:15] } 24. Bf1 { [%eval -0.98] [%clk 0:07:00] } 24... b4?! { [%eval -0.01] } { Inaccuracy. d5 was best. } { [%clk 0:10:57] } 25. axb4?! { [%eval -0.92] } { Inaccuracy. Bxc4 was best. } { [%clk 0:05:48] } 25... axb4 { [%eval -0.92] [%clk 0:11:18] } 26. Bxc4 { [%eval -0.86] [%clk 0:01:26] } 26... bxc3 { [%eval -0.62] [%clk 0:11:07] } 27. Rxc3 { [%eval -0.6] [%clk 0:01:54] } 27... Bxe4 { [%eval -0.56] [%clk 0:10:57] } 28. Bb5 { [%eval -0.55] [%clk 0:02:22] } 28... Rf8 { [%eval -0.37] [%clk 0:08:03] } 29. Re1 { [%eval -0.57] [%clk 0:01:21] } 29... Rb8 { [%eval -0.08] [%clk 0:07:33] } 30. Rxe4 { [%eval -0.05] [%clk 0:01:41] } 30... Rxb5 { [%eval 0.0] [%clk 0:08:02] } 31. Qf1 { [%eval -0.3] [%clk 0:01:41] } 31... Qa8 { [%eval -0.11] [%clk 0:05:45] } 32. Re1?! { [%eval -0.78] } { Inaccuracy. Qe2 was best. } { [%clk 0:02:00] } 32... Qa4 { [%eval -0.51] [%clk 0:05:14] } 33. Rc7 { [%eval -0.6] [%clk 0:00:31] } 33... Rxb3 { [%eval -0.42] [%clk 0:04:02] } 34. Bxe5 { [%eval -0.42] [%clk 0:01:00] } 34... Bxe5 { [%eval -0.41] [%clk 0:03:49] } 35. cxb3 { [%eval -0.46] [%clk 0:01:29] } 35... Qxb3 { [%eval -0.48] [%clk 0:03:53] } 36. Qf2?? { [%eval -2.74] } { Blunder. Rc2 was best. } { [%clk 0:01:56] } 36... Ra8 { [%eval -2.76] [%clk 0:03:05] } 37. Rxe5 { [%eval -2.73] [%clk 0:01:35] } 37... dxe5 { [%eval -2.64] [%clk 0:03:17] } 38. Qc2? { [%eval -4.43] } { Mistake. Qe2 was best. } { [%clk 0:01:57] } 38... Qa2+ { [%eval -4.36] [%clk 0:02:07] } 39. Kc1 { [%eval -4.21] [%clk 0:02:25] } 39... Qa1+ { [%eval -3.75] [%clk 0:01:53] } 40. Qb1 { [%eval -3.82] [%clk 0:00:58] } 40... Qa5 { [%eval -3.67] [%clk 0:01:22] } 41. Rc3?! { [%eval -4.67] } { Inaccuracy. Rc4 was best. } { [%clk 0:01:26] } 41... Qb4 { [%eval -4.43] [%clk 0:01:39] } 0-1