[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.17"]
[Round "8.1"]
[White "Trejos, Juan Sebastian"]
[Black "Contreras R, Wilson Mauricio"]
[Result "0-1"]
[ECO "C41"]
[BlackElo "1879"]
[PlyCount "38"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 Be7 5. Ng5 0-0 6. d3 c6 7. Nf3 Bg4 8. h3 Bh5 9. g4 Bg6 10. g5 Nh5 11. h4 Re8 12. Bd2 b5 13. Nxb5 cxb5 14. Bd5 Nd7 15. Bxa8 Qxa8 16. Qe2 d5 17. 0-0-0 a5 18. Rhg1 b4 19. b3 dxe4 0-1

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "2.1"]
[White "Ribero, Guillermo Andres"]
[Black "Trejos, Juan Sebastian"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1911"]
[PlyCount "26"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Nxd4 7. c3 Nb6 8. Bxf7+ Ke7 9. cxd4 exd4 10. 0-0 h6 11. Bb3 hxg5 12. Bxg5+ Kd7 13. Qxd4+ Ke8 1-0

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "3.1"]
[White "Trejos, Juan Sebastian"]
[Black "Moreno, Jaime Alberto"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "18"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qb6 6. Nxc6 bxc6 7. e5 Qa5+ 8. Bd2 Qxe5+ 9. Qe2 Qxb2 0-1

[Event "Bogota Univ Central op-A 5th"]
[Site "Bogota"]
[Date "2011.10.13"]
[Round "1.1"]
[White "Trejos, Juan Sebastian"]
[Black "Guzman Lozano, Campo Elias"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2038"]
[PlyCount "17"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 e6 4. Nf3 Nf6 5. e5 Ng4 6. Qe2 Qc7 7. d3 Ngxe5 8. Bf4 Be7 9. Bd5 0-1

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "8.1"]
[White "Trejos, Juan Sebastian"]
[Black "Gomez Ahumada, Diego Alejandro"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "70"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[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. Bc4 Bc5 4. 0-0 d6 5. d3 Bg4 6. Bg5 Bxf3 7. Qxf3 Nf6 8. Nc3 Nd4 9. Qd1 h6 10. Bxf6 Qxf6 11. Nd5 Qd8 12. Qg4 0-0 13. Rac1 c6 14. Ne3 a5 15. Nf5 Nxf5 16. Qxf5 b5 17. d4 Bxd4 18. c3 Bxc3 19. Rxc3 bxc4 20. Rxc4 d5 21. exd5 cxd5 22. Rg4 Qd6 23. Re1 Rac8 24. g3 f6 25. Qg6 Qe7 26. Rd1 Qf7 27. Rxd5 Qxg6 28. Rxg6 Kh7 29. Rg4 h5 30. Ra4 g5 31. Rd7+ Kg6 32. Rxa5 h4 33. Rd6 h3 34. Rxe5 Rc1+ 35. Re1 Rxe1# 0-1

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "7.1"]
[White "Trejos, Juan Sebastian"]
[Black "Gutierrez Pena, Cristian Leonard"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "30"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Bf5 4. Bc4 Bxe4 5. Nf3 Nf6 6. 0-0 Nc6 7. Ng5 e6 8. d3 Bg6 9. Re1 Bh5 10. Qd2 h6 11. Nxf7 Bxf7 12. Re2 Qd6 13. Qe1 0-0-0 14. Rxe6 Bxe6 15. Bxe6+ Kb8 0-1

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "3.1"]
[White "Sandoval Tamayo, Luis"]
[Black "Trejos, Juan Sebastian"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "21"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Bb4 5. e3 0-0 6. Nf3 Qd7 7. Ne5 Qe7 8. c5 Ne4 9. Bxe7 Nxc3 10. bxc3 Bxc3+ 11. Ke2 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "4.1"]
[White "Trejos, Juan Sebastian"]
[Black "Velandia, Alexander"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "30"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 b6 5. 0-0 Rb8 6. e5 Ng4 7. Bg5 f6 8. Bh4 Ncxe5 9. Nxe5 Nxe5 10. Nc3 Bb7 11. b4 Ng6 12. Qh5 Be7 13. Bg3 Bd6 14. Bxd6 cxd6 15. Rae1 f5 0-1

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.03.29"]
[Round "1.1"]
[White "Camacho Cardenas, Miguel Alejand"]
[Black "Trejos, Juan Sebastian"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1906"]
[PlyCount "27"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[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 d6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 Be6 7. Bc4 Bc5 8. Bxe6 fxe6 9. a3 Nf6 10. f3 b6 11. Nd3 Bd6 12. e5 Be7 13. exf6 Bxf6 14. Bd2 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2010.03.29"]
[Round "2.1"]
[White "Trejos, Juan Sebastian"]
[Black "Navarro, Jhon Fredy"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1653"]
[PlyCount "40"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nc3 Nc6 4. Nf3 g6 5. 0-0 Bg7 6. Nb5 Nf6 7. d3 e6 8. Bf4 e5 9. Bd2 a6 10. Nc3 Bg4 11. Ne2 Bxf3 12. gxf3 Qd7 13. f4 Qh3 14. Re1 Ng4 15. Be3 Qxh2+ 16. Kf1 Nd4 17. Ng3 Qh3+ 18. Kg1 exf4 19. Bxf4 Qh2+ 20. Kf1 Qxf2# 0-1

