[Event "South Region-ch U18 Integrada"]
[Site "El Doncello"]
[Date "2015.03.08"]
[Round "5.3"]
[White "Arismendi Polanco, Efrain Steven"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C52"]
[WhiteElo "1797"]
[BlackElo "1453"]
[PlyCount "47"]
[EventDate "2015.03.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. b4 Bxb4 5. c3 Ba5 6. d4 Nxd4 7. Nxe5 Ne6 8. Nxf7 Kxf7 9. Qh5+ g6 10. Qxa5 Nf6 11. e5 Nh5 12. 0-0 Rf8 13. Bh6 Nhg7 14. f4 c6 15. Qa3 Kg8 16. Nd2 Rf5 17. Ne4 Kh8 18. Nd6 Rf8 19. Bxg7+ Kxg7 20. f5 gxf5 21. Nxf5+ Kh8 22. Nd6 Qe7 23. Rxf8+ Qxf8 24. Rf1 1-0

[Event "South Region-ch U18 Integrada"]
[Site "El Doncello"]
[Date "2015.03.06"]
[Round "2.4"]
[White "Herrera C, Carlos Stiven"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1402"]
[BlackElo "1453"]
[PlyCount "43"]
[EventDate "2015.03.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. Be3 Nd4 7. Nbd2 Qf6 8. Bxd4 Bxd4 9. c3 Bb6 10. Qb3 Ne7 11. a4 a5 12. Qc2 0-0 13. b4 Be6 14. Bb3 Qg6 15. Nh4 Qh6 16. Ndf3 f5 17. Bxe6+ Qxe6 18. Rfe1 f4 19. b5 h6 20. d4 Rae8 21. d5 Qd7 22. Nd2 1/2-1/2

[Event "South Region-ch U18 Integrada"]
[Site "El Doncello"]
[Date "2015.03.06"]
[Round "1.2"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Cuevas Sanchez, Bramdon Daniel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1453"]
[BlackElo "1825"]
[PlyCount "99"]
[EventDate "2015.03.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. d3 d6 5. Be3 Bb6 6. h3 Nf6 7. Nc3 Be6 8. Bb3 Qd7 9. Qd2 h6 10. d4 exd4 11. Nxd4 0-0-0 12. Nxe6 fxe6 13. Bxb6 axb6 14. 0-0-0 Nh7 15. Rhe1 Kb8 16. Ba4 Rhf8 17. Re3 Ng5 18. f3 Nf7 19. Ne2 Nfe5 20. Rc3 Qf7 21. f4 Ng6 22. Bxc6 bxc6 23. g3 Kb7 24. Qd3 Ra8 25. Kb1 e5 26. f5 Qxa2+ 27. Kc1 Ne7 28. Ra3 Qf7 29. Qb3 Rxa3 30. bxa3 Qh5 31. g4 Qg5+ 32. Kb2 Ra8 33. Rd3 Nc8 34. Qf7 Ra4 35. Nc3 Ra8 36. Qg6 Qxg6 37. fxg6 Ne7 38. Rf3 Nxg6 39. Rf7 Rg8 40. Ne2 Kc8 41. c4 Nh8 42. Rf3 Kd7 43. Ng3 g6 44. h4 Ke6 45. Kc3 Nf7 46. Kd3 Ra8 47. Kc2 Rg8 48. Kd3 Rg7 49. Ke2 Rg8 50. h5 0-1

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2014.05.18"]
[Round "5.1"]
[White "Fiesco, Valentina"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1869"]
[BlackElo "1444"]
[PlyCount "53"]
[EventDate "2014.05.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nc6 4. e3 Bf5 5. Bxc4 Nf6 6. Qb3 e6 7. Qxb7 Nb4 8. Bb5+ Nd7 9. Ba4 Nd3+ 10. Ke2 Rb8 11. Bxd7+ Kxd7 12. Qxa7 Nxc1+ 13. Rxc1 Rxb2+ 14. Kf3 Qh4 15. g3 Qg4+ 16. Kg2 Be4+ 17. Nxe4 Qxe4+ 18. Nf3 Bd6 19. Qa4+ Ke7 20. Rxc7+ Kf6 21. Ra7 Rhb8 22. Rf1 g5 23. Qd7 R2b7 24. Rxb7 Rxb7 25. Qxd6 g4 26. Qe5+ Qxe5 27. Nxe5 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2014.05.17"]
[Round "4.3"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Cortes Chaguala, Juan Carlos"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1444"]
[BlackElo "1570"]
[PlyCount "47"]
[EventDate "2014.05.15"]
[EventType "swiss"]
[EventRounds "5"]
[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 Na5 6. d3 Nxc4 7. dxc4 h6 8. Nf3 Bd6 9. Nc3 Bg4 10. Qd3 Qd7 11. Ne4 0-0-0 12. Bd2 Nxe4 13. Qxe4 Bf5 14. Qe3 Kb8 15. Qc3 g5 16. 0-0-0 Rde8 17. c5 e4 18. c6 Qc8 19. Nd4 Be5 20. cxb7 Qxb7 21. Nc6+ Ka8 22. Nxe5 Rc8 23. Qc6 Qxc6 24. dxc6 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2014.05.16"]
[Round "3.2"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Arismendi Polanco, Efrain Steven"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1444"]
[BlackElo "1855"]
[PlyCount "46"]
[EventDate "2014.05.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Qf3 Nc6 9. Nxc6 bxc6 10. Re1 Nd7 11. Bb3 Ne5 12. Qg3 Rb8 13. Ne2 Nd7 14. c3 Nc5 15. Bc2 Ba6 16. b3 Qb6 17. Bb2 Bxe2 18. Rxe2 Na4 19. Rb1 Nxb2 20. Rxb2 Qa5 21. b4 Qa3 22. Bb3 c5 23. bxc5 Rxb3 0-1

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2014.05.15"]
[Round "1.3"]
[White "Ardila Perez, Pedro Ferney"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1607"]
[BlackElo "1444"]
[PlyCount "27"]
[EventDate "2014.05.15"]
[EventType "swiss"]
[EventRounds "5"]
[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. Bc4 Bc5 5. 0-0 d6 6. c3 Bg4 7. b4 Bb6 8. Qb3 Qd7 9. Ng5 Ne5 10. a4 h6 11. a5 hxg5 12. axb6 cxb6 13. cxd4 Nxc4 14. Qxc4 1-0

[Event "COL-ch Superate-A"]
[Site "Bogota"]
[Date "2012.12.09"]
[Round "6.5"]
[White "Cabrera, Miguel Angel1111"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1486"]
[BlackElo "1441"]
[PlyCount "65"]
[EventDate "2012.12.07"]
[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 d6 4. 0-0 Bg4 5. h3 Bh5 6. Bxc6+ bxc6 7. Nc3 Qf6 8. Re1 Be7 9. d3 Bxf3 10. Qxf3 Qxf3 11. gxf3 Nf6 12. f4 Nd7 13. fxe5 Nxe5 14. d4 Nf3+ 15. Kf1 Nxe1 16. Kxe1 0-0 17. d5 c5 18. Nb5 a6 19. Nc3 f5 20. Bf4 fxe4 21. Bg3 Bf6 22. Nxe4 Bxb2 23. Rb1 Rab8 24. f3 Rxf3 25. Ke2 Rff8 26. c3 Rfe8 27. Kd3 Ba3 28. Rxb8 Rxb8 29. Kc2 c4 30. Bf2 Rb2+ 31. Kd1 Kf7 32. Ng5+ Kg6 33. Ne4 0-1

[Event "COL-ch Superate-A"]
[Site "Bogota"]
[Date "2012.12.08"]
[Round "3.8"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Cepeda Villar, Jhon Jairo"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1441"]
[PlyCount "81"]
[EventDate "2012.12.07"]
[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. Nc3 Nf6 4. Bc4 d6 5. d3 Be6 6. Bb3 d5 7. exd5 Nxd5 8. Nxd5 Bxd5 9. Bxd5 Qxd5 10. 0-0 Bd6 11. Bd2 0-0 12. Re1 Rae8 13. Bc3 e4 14. dxe4 Qh5 15. h3 Rd8 16. Qe2 Be5 17. Nxe5 Qxe2 18. Rxe2 Nxe5 19. Bxe5 Rd7 20. Bf4 f6 21. Re3 g5 22. Bh2 Rd2 23. Rc3 c6 24. Kf1 f5 25. Ke1 Rd4 26. e5 f4 27. Rc5 Re4+ 28. Kf1 f3 29. gxf3 Rxf3 30. Kg2 Rf5 31. Rd1 g4 32. h4 h6 33. Rd8+ Kg7 34. Rd7+ Kg6 35. Rxb7 Kh5 36. Bg3 Rf3 37. Rxc6 Rxg3+ 38. Kxg3 Re1 39. Rh7 Rg1+ 40. Kf4 Kxh4 41. Rhxh6# 1-0

[Event "COL-ch Superate-A"]
[Site "Bogota"]
[Date "2012.12.08"]
[Round "5.6"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Perez Lombana, Kevin Esteban"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1441"]
[PlyCount "101"]
[EventDate "2012.12.07"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Be7 7. h3 Nc6 8. Bc4 0-0 9. 0-0 Be6 10. Bb3 Na5 11. Be3 Nxb3 12. axb3 d5 13. exd5 Nxd5 14. Nxe5 Bf6 15. Nxd5 Bxd5 16. Nd3 Bg5 17. Qd2 Bf6 18. Rxa7 Rxa7 19. Bxa7 Be4 20. Be3 Qd5 21. f3 Bxd3 22. Qxd3 Qxd3 23. cxd3 Bxb2 24. Rd1 Re8 25. Kf2 Be5 26. f4 Bd6 27. Rc1 h6 28. g3 g5 29. fxg5 Bxg3+ 30. Kxg3 Rxe3+ 31. Kf4 Rxh3 32. gxh6 Rxh6 33. Rc7 Rb6 34. d4 Rxb3 35. d5 Rb6 36. Rd7 Kf8 37. Ke5 f6+ 38. Kf5 Ke8 39. Rc7 Kd8 40. Rc1 Rd6 41. Ke4 f5+ 42. Ke5 Kd7 43. Rb1 Kc7 44. Rc1+ Kd7 45. Rf1 b5 46. Rxf5 Rb6 47. Rf7+ Ke8 48. Rc7 b4 49. d6 b3 50. Ke6 Rb8 51. Rh7 1-0

[Event "COL-ch Superate-A"]
[Site "Bogota"]
[Date "2012.12.08"]
[Round "4.5"]
[White "Navarro Gomez, Luis Eduardo"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1628"]
[BlackElo "1441"]
[PlyCount "41"]
[EventDate "2012.12.07"]
[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 Nxd4 5. Qxd4 Nf6 6. Bc4 Be7 7. 0-0 0-0 8. Nc3 d6 9. Re1 Ng4 10. Bf4 Be6 11. h3 Nf6 12. a3 Nd7 13. Ba2 Bxa2 14. Rxa2 Bf6 15. Qd2 Nc5 16. f3 Nd7 17. Raa1 Nb6 18. b3 Bxc3 19. Qxc3 Nd7 20. Rad1 Re8 21. Kf2 1/2-1/2

[Event "COL-ch Superate-A"]
[Site "Bogota"]
[Date "2012.12.07"]
[Round "2.2"]
[White "Moreno Lozano, David"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1913"]
[BlackElo "1441"]
[PlyCount "47"]
[EventDate "2012.12.07"]
[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. Bc4 f6 5. 0-0 Bc5 6. c3 dxc3 7. Nxc3 d6 8. Qd5 Qe7 9. Nh4 Bd7 10. Qh5+ Kd8 11. Bxg8 Be8 12. Qd5 Bd7 13. Bf7 g6 14. Bxg6 Qg7 15. Bf5 Rg8 16. Bxd7 Kxd7 17. Qf5+ Kd8 18. Nd5 Bd4 19. Qf3 Ne5 20. Qxf6+ Qxf6 21. Nxf6 Nf3+ 22. Nxf3 Bxf6 23. Bf4 Kd7 24. e5 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.08"]
[Round "7.5"]
[White "Salamanca, Juan David"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1497"]
[BlackElo "1429"]
[PlyCount "37"]
[EventDate "2012.04.05"]
[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. Nc3 Nf6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. f3 Be7 8. Be3 0-0 9. Qd2 a6 10. Nxc6 bxc6 11. Bc4 Be6 12. Bxe6 fxe6 13. 0-0-0 Rb8 14. Qd4 Qc8 15. Qc4 c5 16. Rd2 Kh8 17. b3 h6 18. Rhd1 Ng8 19. f4 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.07"]
[Round "6.5"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Lopez Montoya, Emmanuel"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1429"]
[PlyCount "43"]
[EventDate "2012.04.05"]
[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. Bc4 Nf6 4. Ng5 h6 5. Nxf7 Qe7 6. Nxh8 Nxe4 7. Qe2 Qh4 8. Bd5 Nf6 9. Bxc6 dxc6 10. Qxe5+ Be7 11. 0-0 Bd7 12. Ng6 Qb4 13. Re1 0-0-0 14. Qxe7 Qb5 15. Nc3 Qb6 16. Qxg7 Ng4 17. d4 c5 18. dxc5 Qxc5 19. Be3 Qd6 20. Bf4 Qc6 21. Ne7+ Kb8 22. Nxc6+ 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.07"]
[Round "5.5"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Polo, John Alexander"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1429"]
[BlackElo "1475"]
[PlyCount "101"]
[EventDate "2012.04.05"]
[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. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. h3 h6 7. Be3 Bb6 8. Bb3 Be6 9. 0-0 0-0 10. d4 exd4 11. Bxd4 Bxd4 12. Nxd4 Nxd4 13. Qxd4 Qe7 14. Rfe1 a6 15. Nd5 Qd8 16. Nxf6+ Qxf6 17. Qxf6 gxf6 18. Re3 Kh7 19. Rf3 Rg8 20. Bxe6 fxe6 21. Rxf6 Rg6 22. Rxg6 Kxg6 23. f3 Kf6 24. Rd1 Rg8 25. Rd2 Rg5 26. Kf2 Rb5 27. c3 Ke5 28. Ke3 d5 29. f4+ Kf6 30. e5+ Kf5 31. g4+ Kg6 32. h4 h5 33. g5 a5 34. Kf3 a4 35. a3 c5 36. Re2 c4 37. Ke3 b6 38. Kd4 Ra5 39. Rf2 Ra8 40. f5+ exf5 41. Kxd5 Ra5+ 42. Kd6 b5 43. Re2 Ra6+ 44. Kc5 f4 45. e6 Ra8 46. Kxb5 Re8 47. Kxc4 Rc8+ 48. Kb4 f3 49. Rf2 Re8 50. Rxf3 Rxe6 51. Kxa4 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.06"]
[Round "4.3"]
[White "Medina Ocampo, Andres Felipe"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1882"]
[BlackElo "1429"]
[PlyCount "48"]
[EventDate "2012.04.05"]
[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 Nf6 3. cxd5 Qxd5 4. Nc3 Qd8 5. e4 e6 6. Nf3 Nc6 7. Bf4 Be7 8. Be2 0-0 9. 0-0 h6 10. Nb5 Ne8 11. Rc1 Nd6 12. d5 Nxb5 13. Bxb5 a6 14. Bxc6 bxc6 15. Rxc6 Bb7 16. Rxc7 Rb8 17. dxe6 fxe6 18. Rd7 Qa5 19. Bxb8 Bxe4 20. Qe2 Qf5 21. Bg3 Bxf3 22. gxf3 Bf6 23. Re1 e5 24. Qc4+ Kh8 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.06"]
[Round "3.3"]
[White "Munoz Romero, Cristian Camilo"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1947"]
[BlackElo "1429"]
[PlyCount "57"]
[EventDate "2012.04.05"]
[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. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 h6 6. Bh4 Nh7 7. Bxe7 Qxe7 8. Nbd2 0-0 9. Ne5 Nc6 10. c3 Nxe5 11. dxe5 Qg5 12. Nf3 Qxg2 13. Rg1 Qh3 14. Rg3 Qh5 15. Bxh7+ Kxh7 16. Ng5+ Qxg5 17. Rxg5 hxg5 18. Qh5+ Kg8 19. Qxg5 f6 20. exf6 Rxf6 21. Qg3 c6 22. 0-0-0 Bd7 23. h4 Rf7 24. h5 Raf8 25. h6 Kh7 26. hxg7 Rxg7 27. Qh2+ Kg8 28. Rg1 Rxg1+ 29. Qxg1+ 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.05"]
[Round "2.5"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Benavides, Santiago Javier"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1429"]
[PlyCount "30"]
[EventDate "2012.04.05"]
[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. Bc4 Bc5 4. c3 Nf6 5. a4 Nxe4 6. Qe2 Nf6 7. Nxe5 0-0 8. 0-0 Re8 9. Bxf7+ Kf8 10. Bxe8 Qxe8 11. Re1 d6 12. Nxc6 bxc6 13. Qxe8+ Nxe8 14. b4 Bf5 15. bxc5 dxc5 1-0

[Event "South Region-ch U16"]
[Site "Florencia"]
[Date "2012.04.05"]
[Round "1.1"]
[White "Parra Meza, Brayan"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1794"]
[BlackElo "1429"]
[PlyCount "67"]
[EventDate "2012.04.05"]
[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. Bc4 Bc5 4. c3 Qe7 5. d3 d6 6. Bb3 Nf6 7. Nbd2 Be6 8. Bc2 h6 9. a4 a6 10. Nf1 0-0 11. Ng3 d5 12. Qe2 Nd7 13. exd5 Bxd5 14. Nf5 Qf6 15. Ne3 Bxe3 16. fxe3 Bxf3 17. gxf3 Qh4+ 18. Qf2 Qxf2+ 19. Kxf2 f5 20. d4 exd4 21. cxd4 Ne7 22. Bb3+ Kh8 23. Bd2 c5 24. d5 Nf6 25. Rac1 Rac8 26. d6 Ng6 27. Rhg1 Rc6 28. Rxg6 Rxd6 29. Ke2 Rfd8 30. Bc3 Nd5 31. Bxg7+ Kh7 32. Rxd6 Rxd6 33. Be5 Rd8 34. Rd1 1-0

[Event "South Region-ch U12"]
[Site "Florencia"]
[Date "2011.04.02"]
[Round "6.3"]
[White "Arismendi Polanco, Efrain Steven"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1562"]
[BlackElo "1429"]
[PlyCount "47"]
[EventDate "2011.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nc3 Na5 5. Bb3 Nxb3 6. cxb3 d6 7. d3 Bg4 8. Be3 Be7 9. h3 Bh5 10. Qd2 Bxf3 11. gxf3 Qd7 12. f4 a6 13. 0-0 b5 14. Rad1 g6 15. Nd5 Nxd5 16. exd5 c6 17. Qc3 cxd5 18. fxe5 dxe5 19. Qxe5 Rg8 20. Bg5 Qe6 21. Rfe1 Qxe5 22. Rxe5 f6 23. Bxf6 Ra7 24. Rde1 1-0

[Event "South Region-ch U12"]
[Site "Florencia"]
[Date "2011.04.02"]
[Round "5.5"]
[White "Calderon Zuta, Nicolas"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "0-1"]
[ECO "C58"]
[BlackElo "1429"]
[PlyCount "32"]
[EventDate "2011.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[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 Na5 6. Bb5+ Bd7 7. Qe2 Be7 8. Bxd7+ Qxd7 9. Qxe5 Qxd5 10. Qf4 Qxg2 11. Rf1 0-0 12. Qxc7 Nd5 13. Qxa5 Qxg5 14. Nc3 Qe5+ 15. Kd1 Ne3+ 16. fxe3 Qxa5 0-1

[Event "South Region-ch U12"]
[Site "Florencia"]
[Date "2011.04.01"]
[Round "4.4"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Cuevas Sanchez, Bramdon Daniel"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1429"]
[BlackElo "1414"]
[PlyCount "50"]
[EventDate "2011.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nc3 Nf6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bxc6 Bxc6 8. Nxc6 bxc6 9. 0-0 Be7 10. Be3 0-0 11. Qf3 Nd7 12. Rad1 Bf6 13. Bf4 Rb8 14. b3 Ne5 15. Bxe5 Bxe5 16. Rd3 Qg5 17. Qh3 f5 18. f4 Bxf4 19. Ne2 fxe4 20. Qe6+ Kh8 21. Qxe4 Be5 22. Rdf3 Rxf3 23. Rxf3 d5 24. Qa4 Qd2 25. Qa6 Qxc2 0-1

[Event "South Region-ch U12"]
[Site "Florencia"]
[Date "2011.04.01"]
[Round "3.5"]
[White "Rojas Trujillo, Sebastian"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1271"]
[BlackElo "1429"]
[PlyCount "28"]
[EventDate "2011.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[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. h3 Be6 6. Bb3 Nf6 7. d3 h6 8. Be3 Qd7 9. Ba4 0-0 10. Bxc5 dxc5 11. Bxc6 bxc6 12. Nc3 Bxh3 13. gxh3 Qxh3 14. Na4 Nh5 0-1

[Event "South Region-ch U12"]
[Site "Florencia"]
[Date "2011.03.31"]
[Round "2.2"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Valenzuela, Juan Camilo"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1429"]
[BlackElo "1315"]
[PlyCount "42"]
[EventDate "2011.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nc6 4. d3 g6 5. Be2 Bg7 6. Be3 Nf6 7. 0-0 0-0 8. Ng5 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qd8 12. Re1 Bxb2 13. Rb1 Bd4 14. Bxd4 Nxd4 15. Bxb7 Bxb7 16. Rxb7 Qd5 17. Rexe7 Qxg5 18. c3 Nc6 19. Rec7 Rac8 20. Qf3 Qc1+ 21. Qd1 Qxd1# 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "8.1"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Molina O, Julian David"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "47"]
[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. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. Be3 Bb4 7. Bd2 0-0 8. Bb5 a6 9. Bxc6 dxc6 10. Nxe5 Re8 11. Nf3 Bg4 12. h3 Bh5 13. Ne2 Bxd2+ 14. Qxd2 Bxf3 15. gxf3 Qe7 16. 0-0-0 Qe6 17. b3 Qe5 18. d4 Qe7 19. Rdg1 Qa3+ 20. Kb1 g5 21. f4 Nxe4 22. Qd3 Nxf2 23. Qf3 Nxh1 24. Rxh1 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "7.1"]
[White "Pineros Cortes, Santiago"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "50"]
[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. Bc4 Nf6 3. Nf3 Nc6 4. Nc3 Bc5 5. 0-0 d6 6. d3 Bg4 7. Bg5 h6 8. h3 Bh5 9. g4 Bg6 10. Bh4 Na5 11. Na4 Nxc4 12. dxc4 Bxe4 13. Nd2 Bc6 14. b3 d5 15. cxd5 Bxa4 16. bxa4 Qxd5 17. c4 Qd6 18. Bg3 0-0 19. Bh4 Rad8 20. g5 hxg5 21. Bxg5 Qe6 22. Rb1 b6 23. Kh1 Qxh3+ 24. Kg1 Rd4 25. Rb2 Rg4+ 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.31"]
[Round "5.1"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Moreno, Nicolas Andres"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "46"]
[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. Nc3 Bc5 4. Bc4 d6 5. h3 Nf6 6. d3 a6 7. Be3 Bxe3 8. fxe3 b6 9. Bb5 Bb7 10. 0-0 0-0 11. Nd2 Rb8 12. Nd5 a5 13. Bxc6 Bxc6 14. Nxf6+ gxf6 15. Qg4+ Kh8 16. Rf3 Bd7 17. Qh4 h6 18. Raf1 f5 19. Qh5 Rg8 20. d4 Qe7 21. h4 fxe4 22. Rh3 Bg4 23. Rhf3 Bxh5 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "3.1"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Virviescas Sanchez, Christian Stewart"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "38"]
[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. exd5 Qxd5 3. Nc3 Qe5+ 4. Qe2 Nc6 5. Qxe5 Nxe5 6. Nf3 Nxf3+ 7. gxf3 e6 8. Bc4 Bb4 9. a3 Bxc3 10. dxc3 Ne7 11. Be3 Bd7 12. 0-0-0 Bc6 13. Rd2 Bxf3 14. Rg1 0-0 15. Bh6 Nf5 16. Bf4 g6 17. Bxc7 Rac8 18. Rd7 Bc6 19. Rd3 Rxc7 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "4.1"]
[White "Perez Lombana, Kevin Esteban"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "11"]
[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. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 d6 6. h3 1-0

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.29"]
[Round "2.1"]
[White "Chima, Luis Manuel"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2027"]
[PlyCount "79"]
[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 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 h6 7. Be3 Bb6 8. Qd2 Bxe3 9. fxe3 d6 10. d4 Bg4 11. Nh4 Nxe4 12. Nxe4 Qxh4 13. Ng3 Be6 14. Bxe6 fxe6 15. dxe5 dxe5 16. Qd7 Qe7 17. Qxe7 Nxe7 18. Rad1 Rxf1+ 19. Kxf1 Rf8+ 20. Kg1 Nf5 21. Nxf5 Rxf5 22. Rd8+ Rf8 23. Rd7 Rf7 24. Rd3 Kh7 25. Ra3 a6 26. Rb3 b6 27. Rc3 h5 28. Rc6 Re7 29. Kf2 Kg6 30. Kf3 Kf5 31. e4+ Kg5 32. c4 a5 33. c5 b5 34. Ra6 a4 35. c6 g6 36. Ra5 Rf7+ 37. Ke3 Rf1 38. Rxb5 Kf6 39. Rb7 Ra1 40. Rxc7 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "5"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Pena Reina, Tomas Felipe"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "37"]
[EventDate "2009.12.15"]
[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. Bc4 Nh6 3. Nf3 Nc6 4. d4 Bb4+ 5. c3 Be7 6. Bxh6 gxh6 7. Nbd2 0-0 8. Nxe5 Bf6 9. Nxc6 bxc6 10. 0-0 Kh8 11. Qc2 Rg8 12. g3 d6 13. Rab1 Bh3 14. Rfe1 Qd7 15. e5 c5 16. exf6 Qc6 17. Qe4 Qxe4 18. Rxe4 Rae8 19. Bxf7 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "6"]
[White "Rios Franco, Sergio Alejandro"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1800"]
[PlyCount "24"]
[EventDate "2009.12.15"]
[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. Bc4 Nf6 3. Qf3 Bc5 4. d3 h6 5. Nc3 d6 6. h3 Be6 7. Bxe6 fxe6 8. Nce2 Nc6 9. Be3 Nh5 10. Qg4 Qf6 11. Ng3 Nxg3 12. Qxg3 Bb4+ 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "4"]
[White "Barrero Rojas, William"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "53"]
[EventDate "2009.12.15"]
[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. Nc3 Bc5 3. Nf3 Nc6 4. a3 Nf6 5. d3 d6 6. Qd2 h6 7. Be2 0-0 8. 0-0 Be6 9. Re1 Ng4 10. Rf1 Bxf2+ 11. Rxf2 Nxf2 12. Kxf2 Bg4 13. d4 Bxf3 14. gxf3 Nxd4 15. Bd1 Qh4+ 16. Ke3 Qg5+ 17. Kd3 Qf6 18. f4 exf4 19. Qxf4 c5 20. Qxf6 gxf6 21. Bxh6 Rfe8 22. Nd5 Rac8 23. Nxf6+ Kh8 24. Nxe8 Rxe8 25. Be3 Nc6 26. c3 a5 27. Bc2 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "3"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Maya, Jhon Alexander"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "84"]
[EventDate "2009.12.15"]
[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. Nf3 d6 3. Bc4 Bd7 4. 0-0 Nf6 5. d3 e6 6. Nc3 Be7 7. h3 0-0 8. Bg5 Bc6 9. Qe2 Nbd7 10. Bxf6 Nxf6 11. d4 cxd4 12. Nxd4 e5 13. Nxc6 bxc6 14. Rfd1 Rb8 15. b3 Qd7 16. Na4 h6 17. Rd2 Qc7 18. Rad1 Rfd8 19. Nc3 Bf8 20. Qf3 Be7 21. Rd3 Rf8 22. Ne2 Rbd8 23. Rc3 Qb7 24. Qd3 d5 25. Ba6 Qa8 26. exd5 e4 27. Qc4 Nxd5 28. Nd4 Nxc3 29. Qxc3 c5 30. Qe3 cxd4 31. Qe2 Qc6 32. f3 Bc5 33. Kh2 exf3 34. gxf3 Rfe8 35. Qc4 Qxf3 36. Rd2 Qf4+ 37. Kg2 Qxd2+ 38. Kf3 Re3+ 39. Kg4 Qg2+ 40. Kf4 Qf2+ 41. Kg4 Qg3+ 42. Kf5 Re5# 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "1"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Villamil, Nahum Jose"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1767"]
[PlyCount "28"]
[EventDate "2009.12.15"]
[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 Nge7 5. 0-0 g6 6. d3 Bg7 7. Bd2 0-0 8. e5 Nxe5 9. Nxe5 Bxe5 10. Qe1 Bg7 11. Bg5 h6 12. Bxe7 Qxe7 13. Bb5 d6 14. d4 Bxd4 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "2"]
[White "Pabon Sarmiento, David A"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "43"]
[EventDate "2009.12.15"]
[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 Bc5 4. c3 Nf6 5. d3 d6 6. h3 Be6 7. Bb5 Bd7 8. Nbd2 0-0 9. 0-0 a6 10. Ba4 d5 11. exd5 Nxd5 12. Ne4 Bd6 13. Bb3 Nf4 14. Bxf4 exf4 15. Nxd6 cxd6 16. Re1 Qf6 17. Qd2 Qg6 18. Kh2 Qf6 19. Re4 h6 20. Qxf4 Qxf4+ 21. Rxf4 Rfe8 22. Bxf7+ 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "7"]
[White "Montero Ortiz, Jeison Efren"]
[Black "Gomez, Luis Miguel"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "75"]
[EventDate "2009.12.15"]
[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. Bc4 Nf6 3. Nf3 Nc6 4. Nc3 Bc5 5. d3 d6 6. h3 Be6 7. Bb3 0-0 8. Bg5 h6 9. Bh4 a6 10. Ba4 b5 11. Bb3 Na5 12. Bd5 c6 13. Bb3 Nxb3 14. axb3 Qb6 15. 0-0 g5 16. Bg3 Nh5 17. Bh2 Nf4 18. Bxf4 exf4 19. Qd2 f6 20. d4 Bb4 21. Rfe1 c5 22. dxc5 Bxc5 23. Red1 Rad8 24. Nd5 Bxd5 25. Qxd5+ Kg7 26. Qd2 b4 27. Qe2 h5 28. Rxa6 Qc7 29. h4 g4 30. Nd4 Bxd4 31. Rxd4 Kh6 32. Rxb4 Rg8 33. g3 f3 34. Qe3+ Kg6 35. Rc4 Qe7 36. Ra7 Qe6 37. Rcc7 Rh8 38. Rg7# 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "8"]
[White "Ortiz Valdez, Yerson Steven"]
[Black "Montero Ortiz, Jeison Efren"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "85"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. d3 Bc5 3. Nf3 d6 4. Nc3 Bb4 5. Bd2 Nf6 6. a3 Bxc3 7. Bxc3 Nc6 8. h3 Be6 9. e4 0-0 10. Be2 Rb8 11. a4 a6 12. b4 h6 13. b5 Na7 14. 0-0 b6 15. bxa6 Qd7 16. Kh2 Qe7 17. Rg1 c6 18. Qd2 d5 19. Bxe5 Rbc8 20. Bxf6 Qxf6 21. cxd5 cxd5 22. e5 Qe7 23. d4 Bd7 24. Qb2 Rb8 25. Bb5 Bxb5 26. axb5 Qd7 27. Rgb1 Rfc8 28. Nd2 Qf5 29. Nf3 Rc2 30. Qb3 Rxf2 31. Qxd5 Qf4+ 32. Kg1 Qg3 33. Nh2 Kh7 34. Qe4+ g6 35. Ng4 Rf4 36. Qe3 Qxe3+ 37. Nxe3 Rc8 38. Rc1 Rxc1+ 39. Rxc1 Nxb5 40. Ng4 Rxd4 41. Nf6+ Kh8 42. Rc8+ Kg7 43. Rg8# 1-0

