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Shaffer, Alexander vs Vega Castaneda, Ulises Antonio

2026.08.05 · game 1
White to move
PGN
[Event "Ronda 2: Shaffer, Alexander - Vega Castaneda, Ulises Antonio"]
[Site "https://lichess.org/broadcast/campeonato-nacional-e-internacional-aguascalientes-2026-internacional/ronda-2/fUjw9vhy/dZsjf75A"]
[Date "2026.08.05"]
[Round "2.17"]
[White "Shaffer, Alexander"]
[Black "Vega Castaneda, Ulises Antonio"]
[Result "0-1"]
[WhiteElo "1700"]
[WhiteFideId "3100294"]
[BlackElo "1879"]
[BlackFideId "5108128"]
[TimeControl "90+30"]
[Variant "Standard"]
[ECO "C10"]
[Opening "French Defense: Hecht-Reefschläger Variation"]
[UTCDate "2026.08.05"]
[UTCTime "22:47:33"]
[BroadcastName "Campeonato Nacional e Internacional Aguascalientes 2026 | Internacional"]
[BroadcastURL "https://lichess.org/broadcast/campeonato-nacional-e-internacional-aguascalientes-2026-internacional/ronda-2/fUjw9vhy"]
[GameURL "https://lichess.org/broadcast/campeonato-nacional-e-internacional-aguascalientes-2026-internacional/ronda-2/fUjw9vhy/dZsjf75A"]

1. e4 { [%eval 0.18] [%clk 1:30:52] } 1... Nc6 { [%eval 0.44] [%clk 1:30:29] } 2. d4 { [%eval 0.25] [%clk 1:30:56] } 2... d5 { [%eval 0.53] [%clk 1:30:45] } 3. Nc3 { [%eval 0.18] [%clk 1:31:12] } 3... e6 { [%eval 0.67] [%clk 1:29:51] } 4. Nf3 { [%eval 0.57] [%clk 1:31:28] } 4... Nf6 { [%eval 0.57] [%clk 1:28:57] } 5. Bg5 { [%eval 0.25] [%clk 1:29:42] } 5... Be7 { [%eval 0.36] [%clk 1:28:56] } 6. e5 { [%eval 0.18] [%clk 1:29:56] } 6... Ne4 { [%eval 0.23] [%clk 1:26:54] } 7. Bxe7 { [%eval 0.14] [%clk 1:30:14] } 7... Qxe7 { [%eval 0.13] [%clk 1:26:18] } 8. Bd3 { [%eval 0.22] [%clk 1:30:24] } 8... Qb4 { [%eval 0.08] [%clk 1:25:23] } 9. a3?! { [%eval -0.6] } { Inaccuracy. O-O was best. } { [%clk 1:27:31] } 9... Nxc3 { [%eval -0.69] [%clk 1:13:37] } 10. Qd2?? { [%eval -5.47] } { Blunder. axb4 was best. } { [%clk 1:19:52] } 10... Qxb2 { [%eval -5.53] [%clk 1:09:16] } 11. O-O { [%eval -5.46] [%clk 1:20:08] } 11... Bd7 { [%eval -5.3] [%clk 0:40:02] } 12. Qg5 { [%eval -5.64] [%clk 1:18:39] } 12... h6 { [%eval -5.42] [%clk 0:32:58] } 13. Qh4 { [%eval -6.08] [%clk 1:14:48] } 13... Ne7 { [%eval -6.3] [%clk 0:27:23] } 14. Nd2 { [%eval -6.69] [%clk 1:10:53] } 14... Nf5 { [%eval -6.69] [%clk 0:23:04] } 15. Qg4 { [%eval -7.04] [%clk 1:06:51] } 15... O-O-O { [%eval -6.34] [%clk 0:22:19] } 16. Nb3 { [%eval -6.19] [%clk 1:06:40] } 16... h5 { [%eval -6.21] [%clk 0:18:21] } 17. Qf4 { [%eval -6.56] [%clk 1:03:42] } 17... b6 { [%eval -5.97] [%clk 0:15:58] } 18. Ba6+ { [%eval -6.6] [%clk 1:00:14] } 18... Kb8 { [%eval -6.6] [%clk 0:16:23] } 19. Qd2 { [%eval -6.74] [%clk 0:59:12] } 19... Ne4 { [%eval -6.24] [%clk 0:15:05] } 20. Qd1 { [%eval -6.92] [%clk 0:56:01] } 20... Bc8 { [%eval -6.31] [%clk 0:13:01] } 21. Bxc8 { [%eval -6.41] [%clk 0:53:18] } 21... Kxc8 { [%eval -6.0] [%clk 0:10:28] } 22. Qd3 { [%eval -6.2] [%clk 0:51:23] } 22... Qc3 { [%eval -6.12] [%clk 0:10:37] } 23. Qa6+ { [%eval -6.7] [%clk 0:47:55] } 23... Kd7 { [%eval -6.48] [%clk 0:10:32] } 24. f3 { [%eval -7.14] [%clk 0:47:30] } 24... Qe3+ { [%eval -6.86] [%clk 0:08:32] } 25. Kh1 { [%eval -6.78] [%clk 0:47:28] } 25... Nf2+ { [%eval -6.76] [%clk 0:08:02] } 0-1
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