[Event "III Aguascalientes Int"]
[Site "Aguascalientes MEX"]
[Date "2025.08.07"]
[Round "5.2"]
[White "Sandoval Mercado, Carlos"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2398"]
[BlackElo "2550"]
[ECO "D17"]
[Opening "Slav Defense: Czech Variation, Carlsbad Variation"]
[PlyCount "56"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5 9.dxe5 Nxe5 10.Bf4 Nfd7 11.Bg2 f6 12.O-O Rd8 13.Qc1 Be6 14.Nxe5 Nxe5 15.Ne4 Bb4 16.Nc5 Bc8 17.Nd3 Nxd3 18.exd3 Qe7 19.a5 a6 20.Ra4 Be6 21.Bd2 Bxd2 22.Qxd2 O-O 23.Re1 Qd6 24.Rae4 Bf5 25.Re7 Rf7 26.Re8+ Rf8 27.R8e7 Rf7 28.Re8+ Rf8 1/2-1/2