Event: Round 1: Costa, Milagros - Vergara Perez, Marcela Sophia
Date: 2024-12-03
White: Costa, Milagros
WhiteElo: 1464
Black: Vergara Perez, Marcela Sophia
BlackElo: 1763
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:00:52] } 1... c5 { [%eval 0.25] [%clk 1:00:56] } 2. Nf3 { [%eval 0.21] [%clk 1:01:11] } 2... e6 { [%eval 0.28] [%clk 1:01:21] } 3. d4 { [%eval 0.4] [%clk 1:01:25] } 3... cxd4 { [%eval 0.29] [%clk 1:01:44] } 4. Nxd4 { [%eval 0.23] [%clk 1:01:35] } 4... a6 { [%eval 0.42] [%clk 1:02:09] } 5. Nc3 { [%eval 0.35] [%clk 1:00:04] } 5... Qc7 { [%eval 0.35] [%clk 1:02:34] } 6. g3 { [%eval 0.1] [%clk 0:58:05] } 6... Nf6 { [%eval 0.25] [%clk 1:00:24] } 7. Bg2 { [%eval 0.2] [%clk 0:57:55] } 7... Be7 { [%eval 0.41] [%clk 0:54:49] } 8. O-O { [%eval 0.19] [%clk 0:56:25] } 8... d6 { [%eval 0.36] [%clk 0:53:48] } 9. Be3 { [%eval 0.28] [%clk 0:50:36] } 9... Bd7 { [%eval 0.33] [%clk 0:46:05] } 10. f4 { [%eval -0.02] [%clk 0:49:05] } 10... Nc6 { [%eval 0.04] [%clk 0:43:48] } 11. Nde2?! { [%eval -0.69] } { Inaccuracy. a4 was best. } { [%clk 0:46:37] } 11... Ng4 { [%eval -0.64] [%clk 0:37:49] } 12. Qd2 { [%eval -0.72] [%clk 0:46:14] } 12... Nxe3 { [%eval -0.53] [%clk 0:37:14] } 13. Qxe3 { [%eval -0.54] [%clk 0:46:18] } 13... Rc8 { [%eval -0.62] [%clk 0:28:32] } 14. f5?! { [%eval -1.56] } { Inaccuracy. Kh1 was best. } { [%clk 0:45:39] } 14... O-O { [%eval -1.5] [%clk 0:22:40] } 15. a3?! { [%eval -2.14] } { Inaccuracy. Kh1 was best. } { [%clk 0:37:40] } 15... Ne5 { [%eval -2.15] [%clk 0:21:53] } 16. Bh3 { [%eval -2.45] [%clk 0:32:18] } 16... Nc4 { [%eval -2.47] [%clk 0:19:17] } 17. Qc1 { [%eval -2.47] [%clk 0:28:17] } 17... Bf6 { [%eval -2.39] [%clk 0:16:15] } 18. Ra2?! { [%eval -3.45] } { Inaccuracy. Kh1 was best. } { [%clk 0:25:18] } 18... b5 { [%eval -3.05] [%clk 0:11:44] } 19. b3 { [%eval -3.7] [%clk 0:23:34] } 19... Qc5+ { [%eval -3.22] [%clk 0:07:26] } 20. Kh1 { [%eval -2.94] [%clk 0:22:36] } 20... Nb6 { [%eval -2.38] [%clk 0:06:07] } 21. Rf3 { [%eval -2.41] } 21... Qc7?! { [%eval -1.78] } { Inaccuracy. d5 was best. } { [%clk 0:03:39] } 22. Qd2?! { [%eval -3.02] } { Inaccuracy. fxe6 was best. } { [%clk 0:17:58] } 22... Qc6? { [%eval -1.4] } { Mistake. exf5 was best. } { [%clk 0:02:45] } 23. Nd4 { [%eval -1.57] [%clk 0:16:21] } 23... Bxd4 { [%eval -1.58] [%clk 0:03:04] } 24. Qxd4 { [%eval -1.51] [%clk 0:16:47] } 24... exf5 { [%eval -1.63] [%clk 0:03:00] } 25. Bg2?! { [%eval -2.46] } { Inaccuracy. Nd5 was best. } { [%clk 0:15:30] } 25... Qc5?! { [%eval -1.71] } { Inaccuracy. Rfe8 was best. } { [%clk 0:02:13] } 26. Rd3?? { [%eval -4.81] } { Blunder. Qxc5 was best. } { [%clk 0:13:26] } 26... Qxd4 { [%eval -4.94] [%clk 0:02:29] } 27. Rxd4 { [%eval -5.0] [%clk 0:13:44] } 27... Rxc3 { [%eval -4.98] [%clk 0:02:55] } 28. Rxd6 { [%eval -4.98] [%clk 0:14:07] } 28... Rc6 { [%eval -4.85] [%clk 0:03:10] } 29. Rd4 { [%eval -5.08] [%clk 0:12:44] } 29... Re8 { [%eval -4.87] [%clk 0:02:45] } 30. c4 { [%eval -5.93] [%clk 0:11:41] } 30... bxc4 { [%eval -5.94] [%clk 0:02:42] } 31. bxc4 { [%eval -5.92] [%clk 0:12:09] } 31... Rxc4 { [%eval -5.7] [%clk 0:02:57] } 32. Rxc4 { [%eval -5.58] [%clk 0:11:28] } 32... Nxc4 { [%eval -5.43] [%clk 0:03:25] } 33. exf5?? { [%eval #-7] } { Checkmate is now unavoidable. Rc2 was best. } { [%clk 0:11:14] } 33... Re1+ { [%eval #-6] [%clk 0:03:44] } 34. Bf1 { [%eval #-6] [%clk 0:11:33] } 34... Rxf1+ { [%eval #-5] [%clk 0:04:08] } 35. Kg2 { [%eval #-5] [%clk 0:12:02] } 35... Rd1? { [%eval -8.28] } { Lost forced checkmate sequence. Ne3+ was best. } { [%clk 0:04:29] } 36. a4 { [%eval -8.65] [%clk 0:12:03] } 36... Rd2+ { [%eval -8.5] [%clk 0:04:53] } 37. Rxd2 { [%eval -8.32] [%clk 0:12:27] } 37... Nxd2 { [%eval -8.15] [%clk 0:05:20] } 0-1