
[Event "Subzonal 2.3.2 2025"]
[Site "Medellin COL"]
[Date "2025.04.19"]
[Round "9.21"]
[White "Martinez Serna, Juan Esteban"]
[Black "Ospina Castro, Santiago"]
[Result "1/2-1/2"]
[WhiteElo "1943"]
[BlackElo "2148"]
[ECO "D37"]
[PlyCount "12"]
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 1/2-1/2
[Site "Medellin COL"]
[Date "2025.04.19"]
[Round "9.21"]
[White "Martinez Serna, Juan Esteban"]
[Black "Ospina Castro, Santiago"]
[Result "1/2-1/2"]
[WhiteElo "1943"]
[BlackElo "2148"]
[ECO "D37"]
[PlyCount "12"]
1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 1/2-1/2
[Event "Subzonal 2.3.2 2025"]
[Site "Medellin COL"]
[Date "2025.04.19"]
[Round "9.21"]
[White "Martinez Serna, Juan Esteban"]
[Black "Ospina Castro, Santiago"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "1943"]
[BlackElo "2148"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[EventDate "2025.04.14"]
[WhiteFideId "4488334"]
[BlackFideId "4443160"]
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 1/2-1/2