[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.26"]
[Round "7.13"]
[White "Sarmiento, Clein Alexander"]
[Black "Ortiz, Jefferson"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2121"]
[BlackElo "1684"]
[PlyCount "57"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 d6 8. 0-0 0-0 9. Re1 Ne5 10. Be2 d5 11. Nd2 c6 12. exd5 Nxd5 13. Ne4 Qe7 14. Nf5 Bxf5 15. Bxc5 Qh4 16. Ng3 Be6 17. Bxf8 Rxf8 18. Qd4 Qxd4 19. cxd4 Ng6 20. Bc4 Ngf4 21. Nf1 b5 22. Bxd5 Bxd5 23. Re7 Nxg2 24. Rxa7 Nf4 25. Ne3 Ne2+ 26. Kf1 Nxd4 27. Nxd5 cxd5 28. Rd1 Nc6 29. Rc7 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.25"]
[Round "5.14"]
[White "Ortiz, Jefferson"]
[Black "Mendez Rivera, Anderson Heribert"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1684"]
[BlackElo "1759"]
[PlyCount "56"]
[EventDate "2008.05.23"]
[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. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 0-0 7. Rc1 b6 8. cxd5 exd5 9. Bd3 c5 10. 0-0 Bb7 11. Re1 Ne4 12. Bxe7 Qxe7 13. Nd2 Ndf6 14. f3 Nxc3 15. bxc3 Rfe8 16. e4 cxd4 17. cxd4 Qb4 18. Nb3 dxe4 19. fxe4 Nxe4 20. Rc7 Nd6 21. Rf1 Rac8 22. Qc1 Rxc7 23. Qxc7 Bd5 24. Kh1 Bxb3 25. axb3 Qxd4 26. Bc4 Rf8 27. Qxa7 Nxc4 28. bxc4 Qxc4 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.24"]
[Round "2.10"]
[White "Ortiz, Jefferson"]
[Black "Suarez, Walter Camilo"]
[Result "0-1"]
[ECO "C90"]
[WhiteElo "1684"]
[BlackElo "1758"]
[PlyCount "62"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. d4 Nxb3 10. axb3 Nd7 11. dxe5 dxe5 12. Qd5 Rb8 13. Nxe5 Nxe5 14. Qxe5 0-0 15. Nc3 Bb7 16. Qg3 Bh4 17. Qg4 b4 18. Nd5 f5 19. Qd1 fxe4 20. g3 Bxd5 21. gxh4 Rb6 22. Bg5 Rg6 23. Qh5 Qf6 24. Re2 h6 25. Qg4 hxg5 26. h5 Rh6 27. Ra5 c6 28. Rxa6 e3 29. Qg3 exf2+ 30. Rxf2 Qd4 31. Ra1 Rhf6 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2008.05.23"]
[Round "1.12"]
[White "Ortiz, Jefferson"]
[Black "Otero Martinez, Daniel"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1684"]
[BlackElo "2065"]
[PlyCount "58"]
[EventDate "2008.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d5 7. exd5 Bxf5 8. dxc6 Qxd1+ 9. Nxd1 bxc6 10. Ne3 Bg6 11. Ba6 Rb8 12. c3 Ne4 13. 0-0 Bc5 14. Re1 0-0 15. f3 Nf6 16. b4 Bb6 17. Kh1 e4 18. Nc4 exf3 19. gxf3 Nd5 20. Bd2 Rfd8 21. Rad1 Bc2 22. Rc1 Bd3 23. Nxb6 Bxa6 24. Nxd5 cxd5 25. Be3 Rd7 26. Bd4 f6 27. Re6 Bc4 28. a4 Kf7 29. Rce1 Rdb7 1/2-1/2

