[Event "Bucaramanga Departamental op"]
[Site "Bucaramanga"]
[Date "2012.12.02"]
[Round "5"]
[White "Mantilla Ortiz, Juan David"]
[Black "Pinzon, Jefferson"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1350"]
[BlackElo "2111"]
[PlyCount "41"]
[EventDate "2012.11.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Nxg5 hxg5 9. Bxg5 Bg4 10. Bxf6 Bxd1 11. Bxd8 Kxd8 12. Nxd1 Rg8 13. 0-0 Ne7 14. Bxf7 Rf8 15. Be6 Ng6 16. Bd5 Rb8 17. Ne3 Ne7 18. Bc4 d5 19. exd5 Nxd5 20. Bxd5 c6 21. Bc4 1-0

[Event "Bucaramanga Departamental op"]
[Site "Bucaramanga"]
[Date "2012.12.02"]
[Round "6"]
[White "Pinzon, Jefferson"]
[Black "Ramirez, Jaime Orlando"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2111"]
[BlackElo "1449"]
[PlyCount "106"]
[EventDate "2012.11.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. a4 a6 6. Bd3 Nc6 7. Nc3 e6 8. Nf3 Bb4 9. Bg5 Nge7 10. 0-0 h6 11. Bh4 Bxc3 12. bxc3 0-0 13. Re1 Qc7 14. Ne5 Nf5 15. Nxc6 bxc6 16. g3 Nxh4 17. gxh4 Qf4 18. Qc1 Qxh4 19. Re3 Qe7 20. Qa3 Rfe8 21. Qxe7 Rxe7 22. c4 Ra7 23. cxd5 cxd5 24. Rb1 Re8 25. Re2 Bxa4 26. c3 Bd7 27. Reb2 Rea8 28. Rb8+ Bc8 29. f4 g6 30. Rxa8 Rxa8 31. c4 dxc4 32. Bxc4 Kg7 33. d5 exd5 34. Bxd5 Ra7 35. Rb8 Be6 36. Ra8 Rxa8 37. Bxa8 g5 38. fxg5 hxg5 39. Bb7 a5 40. Kf1 f5 41. Bc6 Kf6 42. Ke2 Bb3 43. Kd3 a4 44. Kc3 Ke5 45. Kb4 f4 46. Ka3 Kd4 47. h4 gxh4 48. Bf3 Ke3 49. Bg2 f3 50. Bh3 Ke2 51. Kb4 f2 52. Ka3 f1Q 53. Bxf1+ Kxf1 0-1

[Event "Bucaramanga Departamental op"]
[Site "Bucaramanga"]
[Date "2012.11.30"]
[Round "2"]
[White "Rojas Mayorga, Brayan Arley"]
[Black "Pinzon, Jefferson"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2111"]
[PlyCount "44"]
[EventDate "2012.11.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Nf6 7. 0-0 0-0 8. Re1 Re8 9. d4 exd4 10. cxd4 Bd6 11. e5 Bb4 12. Bd2 Bxd2 13. Nbxd2 Bb7 14. Nf1 d6 15. exf6 Rxe1 16. Qxe1 gxf6 17. d5 Ne7 18. Rd1 c6 19. dxc6 Bxc6 20. Qc3 Qb6 21. Qxf6 Re8 22. Bxf7+ Kf8 1-0

[Event "COL-ch U26"]
[Site "Bogota"]
[Date "2008.09.19"]
[Round "4"]
[White "Pinzon, Jefferson"]
[Black "Ossa, Orlando Jose"]
[Result "0-1"]
[ECO "C63"]
[BlackElo "2264"]
[PlyCount "120"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. Nc3 Bc5 6. 0-0 0-0 7. Bg5 d6 8. Nd5 Kh8 9. c3 fxe4 10. dxe4 Ne7 11. b4 Nexd5 12. exd5 Bb6 13. Nd2 h6 14. Bh4 g5 15. Bg3 Nxd5 16. Ne4 Nf6 17. Nxf6 Qxf6 18. a4 a6 19. Be2 Bf5 20. a5 Ba7 21. c4 Bd4 22. Ra3 Qg6 23. Bf3 Rab8 24. b5 Bc5 25. Ra2 Bd3 26. Be2 Bxe2 27. Rxe2 h5 28. Qd5 Bd4 29. Re4 h4 30. Bxh4 gxh4 31. Rxh4+ Kg7 32. h3 Rf5 33. Kh2 axb5 34. cxb5 Rh5 35. Re4 Qf7 36. Rg4+ Kf8 37. Qe4 d5 38. Qd3 Qf5 39. Qg3 Qf7 40. Qd3 c5 41. bxc6 bxc6 42. f4 Rf5 43. Rh4 Ke7 44. Rb1 Rxb1 45. Qxb1 exf4 46. Rh7 Bg7 47. Qb7+ Kd6 48. Rxg7 Qxb7 49. Rxb7 d4 50. Rb4 c5 51. Rb6+ Kc7 52. Kg1 d3 53. Kf2 Re5 54. Rb1 c4 55. a6 c3 56. a7 c2 57. Ra1 Re8 58. a8Q Rxa8 59. Rc1 Re8 60. h4 Kb6 0-1

[Event "COL-ch U26"]
[Site "Bogota"]
[Date "2008.09.19"]
[Round "3"]
[White "Rivera, Ingris"]
[Black "Pinzon, Jefferson"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2171"]
[PlyCount "108"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 e6 6. e3 Be7 7. b3 0-0 8. c4 b6 9. Bb2 Ba6 10. Nbd2 Rc8 11. Ne5 Na5 12. Rc1 Ne8 13. Re1 cxd4 14. exd4 f6 15. Qg4 fxe5 16. Qxe6+ Kh8 17. Rxe5 Bd6 18. Rxd5 Qe7 19. Qxe7 Bxe7 20. Rd7 Rc7 21. Rxc7 Nxc7 22. a3 Bb7 23. d5 Ba8 24. b4 Nb7 25. Ne4 a5 26. Be5 Na6 27. d6 Bf6 28. Bxf6 gxf6 29. c5 f5 30. Ng5 Nbxc5 31. bxc5 Bxg2 32. Kxg2 Nxc5 33. Rd1 h6 34. Nf3 Kg7 35. Ne5 Rd8 36. f4 Kf6 37. Nc4 Nd7 38. Ne3 b5 39. Rd5 Rb8 40. Nxf5 Ke6 41. Ne3 b4 42. f5+ Kf7 43. axb4 axb4 44. Nc4 b3 45. Rd2 Rc8 46. Na5 Rc3 47. Kf2 Kf6 48. g4 Kg5 49. Re2 Kxg4 50. Nxb3 Rxb3 51. Re7 Kxf5 52. Rxd7 Ke6 53. Rh7 Kxd6 54. Rxh6+ Ke7 1/2-1/2

[Event "COL-ch U26"]
[Site "Bogota"]
[Date "2008.09.18"]
[Round "2"]
[White "Pinzon, Jefferson"]
[Black "Narvaez Ramirez, Faber Alberto"]
[Result "1-0"]
[ECO "B90"]
[BlackElo "2130"]
[PlyCount "101"]
[EventDate "2008.09.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. a4 d6 5. Bc4 c5 6. Nge2 cxd4 7. Nxd4 Nf6 8. 0-0 Nc6 9. Be3 0-0 10. Nxc6 bxc6 11. a5 Bd7 12. Qe2 Qb8 13. f3 Qb7 14. Na4 Be6 15. Bxe6 fxe6 16. Ra3 Qb5 17. c4 Qh5 18. Nb6 Ra7 19. Bf2 Nd7 20. Nd5 Nc5 21. b4 cxd5 22. bxc5 Be5 23. h3 dxc5 24. exd5 exd5 25. cxd5 Bd6 26. Qe6+ Kg7 27. Be1 h6 28. Bc3+ Kh7 29. Rb3 Qg5 30. Rfb1 Qg3 31. Qe4 Qh2+ 32. Kf1 Bg3 33. Rb7 Qh1+ 34. Ke2 Qxg2+ 35. Kd1 Rxb7 36. Rxb7 Qxf3+ 37. Qxf3 Rxf3 38. Rxe7+ Kg8 39. Kc2 Bf4 40. Rg7+ Kf8 41. Rxg6 Ke8 42. Rxa6 Rxh3 43. Re6+ Kd7 44. a6 Bb8 45. Rg6 Rh5 46. Rg8 Ba7 47. Rg7+ Kc8 48. Rxa7 Rxd5 49. Ra8+ Kc7 50. Ba5+ Kc6 51. Rc8+ 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2008.08.08"]
[Round "4.27"]
[White "Laverde, Luis Eduardo"]
[Black "Pinzon, Jefferson"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2080"]
[BlackElo "2096"]
[PlyCount "41"]
[EventDate "2008.08.06"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. Nxe5 Nxe5 8. d4 Bxd4 9. Qxd4 d6 10. c3 c5 11. Qe3 0-0 12. h3 Re8 13. Nd2 Bb7 14. Bc2 Ned7 15. Qg3 Qb6 16. f3 d5 17. exd5 Nxd5 18. Ne4 Ne5 19. Kh2 Rad8 20. Bg5 f6 21. Bc1 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2008.08.06"]
[Round "5.35"]
[White "Pinzon, Jefferson"]
[Black "Martinez, Mauricio"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2096"]
[BlackElo "1979"]
[PlyCount "75"]
[EventDate "2008.08.06"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 d5 8. Qd2 c6 9. 0-0-0 0-0 10. Bd3 Qa5 11. Kb1 Be6 12. Nd4 Bf6 13. Rhg1 Bxd4 14. Bxd4 Qd8 15. g4 Nd7 16. f4 c5 17. Bxg7 Kxg7 18. f5 Ne5 19. fxe6 fxe6 20. Qe3 Qd6 21. Qg5+ Ng6 22. h4 Qf4 23. Qh5 c4 24. Rgf1 Qd6 25. Bxc4 dxc4 26. g5 Rxf1 27. Rxf1 Rf8 28. Rd1 Qf4 29. Qh6+ Kg8 30. h5 Qg4 31. Rh1 Qg2 32. Rc1 Nf4 33. a4 Qe4 34. Rd1 Qf5 35. Rd7 Rf7 36. Rd8+ Rf8 37. Rd7 Rf7 38. Rd8+ 1/2-1/2

[Event "Bogota Region-ch"]
[Site "Bogota"]
[Date "2007.03.18"]
[Round "4.11"]
[White "Almanza, Rafael Andres"]
[Black "Pinzon, Jefferson"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2045"]
[PlyCount "63"]
[EventDate "2007.03.17"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. d3 d6 8. c3 0-0 9. a4 Rb8 10. Nbd2 Kh8 11. Bc2 Qe7 12. Nb3 Bb6 13. a5 Ba7 14. Bg5 h6 15. Be3 Bg4 16. h3 Bh5 17. Qe2 Nh7 18. Bxa7 Nxa7 19. Qe3 c5 20. d4 Rfc8 21. Bd1 Bg6 22. dxc5 dxc5 23. Be2 Nf6 24. Nbd2 Nc6 25. Nh4 Bh7 26. Nf5 Bxf5 27. exf5 Nd5 28. Qe4 Nf4 29. Bg4 Qd6 30. Rfd1 Qd3 31. g3 h5 32. Bf3 1-0

[Event "Bogota Region-ch"]
[Site "Bogota"]
[Date "2007.03.18"]
[Round "3.13"]
[White "Pinzon, Jefferson"]
[Black "Arias, Guillermo1"]
[Result "1/2-1/2"]
[ECO "C74"]
[PlyCount "93"]
[EventDate "2007.03.17"]
[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. Bb5 d6 4. c3 a6 5. Ba4 b5 6. Bb3 Na5 7. Bc2 Bg4 8. d4 Nf6 9. dxe5 Bxf3 10. Qxf3 dxe5 11. 0-0 Bd6 12. Qg3 0-0 13. Bg5 Kh8 14. Nd2 h6 15. Be3 Nh5 16. Qh3 Nf4 17. Bxf4 exf4 18. Rad1 Qf6 19. a4 Nc6 20. axb5 axb5 21. Qd3 Ne5 22. Qe2 g5 23. Nf3 Rg8 24. Nxe5 Bxe5 25. f3 h5 26. Ra1 Rab8 27. Rfd1 b4 28. Qc4 bxc3 29. bxc3 Bxc3 30. Ra6 Rb6 31. e5 Bxe5 32. Qe4 Qg7 33. Rxb6 cxb6 34. Rd7 Rf8 35. Qf5 Bd4+ 36. Kf1 Be3 37. Ke2 Bc5 38. Qd3 Re8+ 39. Kf1 Bb4 40. Rd8 Rxd8 41. Qxd8+ Bf8 42. Qxb6 Qc3 43. Qd8 Qg7 44. h4 gxh4 45. Qxh4 Qa1+ 46. Ke2 Qa6+ 47. Bd3 1/2-1/2

[Event "Bogota Region-ch"]
[Site "Bogota"]
[Date "2007.03.17"]
[Round "2.13"]
[White "Guzman Mellado, Arcadio"]
[Black "Pinzon, Jefferson"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "76"]
[EventDate "2007.03.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. g3 g6 5. Bb2 Bg7 6. Bg2 0-0 7. 0-0 Nbd7 8. d3 Re8 9. Nbd2 e5 10. e4 d4 11. b4 a5 12. a3 Bf8 13. bxa5 Nc5 14. Nb3 Nxb3 15. Qxb3 Nd7 16. Bc1 Qxa5 17. Ne1 Nc5 18. Qd1 Qa4 19. Qxa4 Rxa4 20. Rb1 Be6 21. f4 f6 22. Rf2 Rea8 23. Bf1 R4a7 24. fxe5 fxe5 25. Nc2 Na4 26. h3 Nc3 27. Ra1 b5 28. Rf6 Bd7 29. cxb5 Nxb5 30. Rb1 Be7 31. Rf2 Nxa3 32. Nxa3 Bxa3 33. Bg5 Bd6 34. Kh2 Rf8 35. Rbb2 Rxf2+ 36. Rxf2 c5 37. g4 Bb5 38. Kg3 Ra1 0-1

[Event "Bogota Region-ch"]
[Site "Bogota"]
[Date "2007.03.17"]
[Round "1.2"]
[White "Pinzon, Jefferson"]
[Black "Rivera, Alberto"]
[Result "0-1"]
[ECO "B53"]
[BlackElo "2381"]
[PlyCount "62"]
[EventDate "2007.03.17"]
[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. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Rhe1 0-0 11. Qd2 Qc7 12. Nd4 Rfd8 13. f3 a6 14. g4 Rac8 15. Kb1 b5 16. h4 Be8 17. h5 Qb7 18. Nce2 Rc5 19. Bxf6 Bxf6 20. Nb3 Rcc8 21. g5 Be7 22. Ned4 b4 23. g6 Bf6 24. h6 hxg6 25. Rh1 Qb6 26. Rh3 gxh6 27. Rxh6 Rc4 28. Qh2 a5 29. Rh1 Kf8 30. Ne2 Rdc8 31. Re1 Rxc2 0-1

