[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "5.10"]
[White "Castro, Carlos Alfonso"]
[Black "Arroyave, Jhon Jairo"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1669"]
[BlackElo "1797"]
[PlyCount "24"]
[EventDate "2009.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. h3 dxc4 6. e4 b5 7. e5 Nd5 8. Nxd5 cxd5 9. Be2 Nc6 10. 0-0 Be7 11. a3 0-0 12. Bg5 Bxg5 0-1

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "4.13"]
[White "Castro, Carlos Alfonso"]
[Black "Galindo Guzman, Antonio"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "1669"]
[BlackElo "1621"]
[PlyCount "55"]
[EventDate "2009.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Nf3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. Nc3 c6 8. e4 Nxc3 9. bxc3 Re8 10. 0-0 Nd7 11. Qb3 e5 12. d5 cxd5 13. exd5 h6 14. Be3 b6 15. Rac1 Bb7 16. Nh4 Rc8 17. Rfd1 Nc5 18. Bxc5 Rxc5 19. c4 Qd6 20. Qa4 Ra8 21. Bh3 b5 22. cxb5 Rxc1 23. Rxc1 Qxd5 24. Bg2 e4 25. Rd1 Qe5 26. Qb3 Kf8 27. Rd7 Qf6 28. Rxb7 1-0

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "2.11"]
[White "Castro, Carlos Alfonso"]
[Black "Ordonez, Fernando"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1669"]
[BlackElo "1743"]
[PlyCount "20"]
[EventDate "2009.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. e3 Nf6 5. Bd3 c5 6. 0-0 Nc6 7. Nc3 dxc4 8. Bxc4 cxd4 9. exd4 Be7 10. a3 b5 1/2-1/2

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "3.11"]
[White "Sanchez Ospina, William"]
[Black "Castro, Carlos Alfonso"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1558"]
[BlackElo "1669"]
[PlyCount "71"]
[EventDate "2009.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 a6 6. Bd2 Nc6 7. e3 e6 8. a3 Bd6 9. Qc2 0-0 10. Bd3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. f4 Bd6 14. 0-0 b5 15. Ne2 Bb7 16. Bc3 Ne4 17. Bxe4 dxe4 18. Rad1 Qe7 19. Nd4 Bc5 20. Nf5 Qe6 21. Nxg7 Bxe3+ 22. Kh1 Qg4 23. h3 Qc8 24. Qe2 Bc5 25. Qh5 f6 26. Nf5 Qe8 27. Nh6+ Kh8 28. Qxc5 Qg6 29. Ng4 e3 30. Nxe3 Rg8 31. Qg5 Raf8 32. Qxg6 Rxg6 33. Rf2 Rg3 34. Ng4 Rxh3+ 35. Kg1 Rg3 36. Bxf6+ 1-0

