Event: Round 1: Vera Melian, Lucas Mateo - Perez, Daniel
Site: https://lichess.org/broadcast/maipu-chess-open-2025/round-1/5g76izhd/QqQdQkp0
Date: 2025-09-05
White: Vera Melian, Lucas Mateo
WhiteElo: 1634
Black: Perez, Daniel
BlackTitle: FM
BlackElo: 2237
Result: 0-1
ECO: A28
Opening: English Opening: King's English Variation, Four Knights Variation, Quiet Line
Variant: Standard
TimeControl: 60+30

1. c4 { [%eval 0.12] [%clk 1:00:55] } 1... e5 { [%eval 0.1] [%clk 0:57:09] } 2. Nc3 { [%eval 0.15] [%clk 1:01:04] } 2... Nf6 { [%eval 0.18] [%clk 0:56:39] } 3. Nf3 { [%eval 0.15] [%clk 1:00:10] } 3... Nc6 { [%eval 0.14] [%clk 0:56:55] } 4. e3 { [%eval 0.0] [%clk 1:00:00] } 4... Be7 { [%eval 0.11] [%clk 0:56:28] } 5. Be2 { [%eval 0.0] [%clk 0:57:30] } 5... O-O { [%eval 0.24] [%clk 0:54:12] } 6. b3 { [%eval -0.14] [%clk 0:56:23] } 6... d5 { [%eval -0.13] [%clk 0:53:40] } 7. cxd5 { [%eval -0.12] [%clk 0:54:40] } 7... Nxd5 { [%eval -0.04] [%clk 0:54:04] } 8. Bb2 { [%eval -0.28] [%clk 0:53:58] } 8... Be6 { [%eval 0.02] [%clk 0:53:53] } 9. O-O { [%eval 0.06] [%clk 0:52:50] } 9... Nb6 { [%eval 0.5] [%clk 0:49:47] } 10. Rc1 { [%eval 0.41] [%clk 0:48:51] } 10... f5 { [%eval 0.69] [%clk 0:49:47] } 11. a4? { [%eval -0.92] } { Mistake. Bb5 was best. } { [%clk 0:41:13] } 11... e4 { [%eval -0.93] [%clk 0:49:19] } 12. Ne1?! { [%eval -1.94] } { Inaccuracy. Nd4 was best. } { [%clk 0:41:09] } 12... Na5 { [%eval -1.95] [%clk 0:49:12] } 13. d4 { [%eval -2.31] [%clk 0:37:31] } 13... Bxb3 { [%eval -2.11] [%clk 0:48:38] } 14. Nc2 { [%eval -2.12] [%clk 0:36:48] } 14... Nxa4 { [%eval -1.88] [%clk 0:45:30] } 15. Nxa4 { [%eval -1.85] [%clk 0:36:47] } 15... Bxa4 { [%eval -1.73] [%clk 0:45:29] } 16. Qd2? { [%eval -3.52] } { Mistake. Bc3 was best. } { [%clk 0:36:08] } 16... Nb3 { [%eval -3.44] [%clk 0:45:16] } 17. Bc4+ { [%eval -3.47] [%clk 0:36:28] } 17... Kh8 { [%eval -3.55] [%clk 0:45:45] } 18. Bxb3 { [%eval -3.63] [%clk 0:36:48] } 18... Bxb3 { [%eval -3.53] [%clk 0:46:14] } 19. Na3 { [%eval -3.84] [%clk 0:29:14] } 19... c6 { [%eval -3.83] [%clk 0:46:12] } 20. Nc4 { [%eval -3.47] [%clk 0:26:06] } 20... Bxc4 { [%eval -3.05] [%clk 0:46:08] } 21. Rxc4 { [%eval -3.04] [%clk 0:26:26] } 21... Qd5 { [%eval -3.29] [%clk 0:46:21] } 0-1