[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.03.01"]
[Round "8"]
[White "Puerto, Alejandro"]
[Black "Pena, Fernando"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1830"]
[BlackElo "1890"]
[PlyCount "24"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. Bc4 Be7 5. 0-0 Nf6 6. Re1 0-0 7. d3 d6 8. Nbd2 Na5 9. h3 Nxc4 10. Nxc4 h6 11. Ne3 Be6 12. b4 b6 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.29"]
[Round "6"]
[White "Forero, Jairo Orlando"]
[Black "Puerto, Alejandro"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1828"]
[BlackElo "1830"]
[PlyCount "34"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 e5 4. Nf3 Nf6 5. Ng3 Bd6 6. Bc4 Nc6 7. d3 0-0 8. Bg5 Na5 9. Bb3 Nxb3 10. axb3 h6 11. Bd2 Nh7 12. 0-0 f5 13. Re1 Re8 14. Bc3 f4 15. Ne4 Bg4 16. d4 exd4 17. Qxd4 Bf8 1/2-1/2

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.29"]
[Round "7"]
[White "Puerto, Alejandro"]
[Black "Carrillo Gil, William Alexander"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1830"]
[BlackElo "1868"]
[PlyCount "109"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Bd3 Ng6 5. Ne2 Bc5 6. 0-0 Nf6 7. Nd2 0-0 8. Nb3 Bb6 9. c4 d6 10. h3 Bd7 11. a4 a6 12. Kh2 Nh5 13. Ng1 Nhf4 14. g3 Nxd3 15. Qxd3 f5 16. Nd2 fxe4 17. Nxe4 Bf5 18. Be3 Ba5 19. f3 Qd7 20. Qa3 Bxe4 21. fxe4 h5 22. b4 Bb6 23. c5 Ba7 24. Rxf8+ Nxf8 25. Rf1 h4 26. gxh4 c6 27. dxc6 bxc6 28. Qd3 d5 29. Nf3 d4 30. Nxe5 Bb8 31. Bf4 Bxe5 32. Bxe5 Ne6 33. Qc4 Rf8 34. Rxf8+ Kxf8 35. Bd6+ Kg8 36. Qxa6 Qf7 37. Qe2 Nd8 38. a5 Qb3 39. a6 d3 40. Qd2 Ne6 41. a7 Qa3 42. a8Q+ Qxa8 43. Qxd3 Qa2+ 44. Kg3 Qa1 45. Kf3 Qh1+ 46. Kf2 Qa1 47. Qc4 Qb2+ 48. Kf3 Kf7 49. Bg3 Qb1 50. Kg2 Qb2+ 51. Kg1 Ke7 52. Qd3 Qc1+ 53. Kf2 Qb2+ 54. Ke3 Qc1+ 55. Kf3 1/2-1/2

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "5"]
[White "Casas, Jose Fernando"]
[Black "Puerto, Alejandro"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1721"]
[BlackElo "1830"]
[PlyCount "76"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bc4 Be7 5. d4 cxd4 6. 0-0 dxc3 7. Qd5 d6 8. Qxf7+ Kd7 9. Nxc3 Nf6 10. Qxg7 Qf8 11. Qg5 a6 12. a4 Kc7 13. Qd2 Bg4 14. Ng5 h6 15. Ne6+ Bxe6 16. Bxe6 Rd8 17. b4 Nd4 18. Qa2 Qg7 19. f4 Kb8 20. b5 a5 21. Be3 Nxe6 22. Qxe6 Rhg8 23. Qh3 Ng4 24. Bb6 exf4 25. Bxd8 Bxd8 26. Nd5 Qd4+ 27. Ne3 Nxe3 28. Kh1 Nxf1 29. Rxf1 Qxe4 30. Rc1 Bb6 31. Rd1 d5 32. Qf3 Qxf3 33. gxf3 Kc7 34. h4 Kd6 35. h5 Rg5 36. Kh2 Rxh5+ 37. Kg2 Re5 38. Kh3 h5 0-1

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.28"]
[Round "4"]
[White "Puerto, Alejandro"]
[Black "Guerra, Miguel"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1830"]
[BlackElo "1654"]
[PlyCount "53"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bg6 5. e6 fxe6 6. Bxg6+ hxg6 7. Qg4 Qc8 8. Qxg6+ Kd8 9. Nf3 Nh6 10. Ng5 Kc7 11. Nxe6+ Kb6 12. Bf4 a6 13. Nc7 Ka7 14. Nxa8 Kxa8 15. Nd2 Nd7 16. 0-0-0 Ka7 17. Nb3 Nf6 18. f3 Nf5 19. g4 Nh4 20. Qd3 Qe8 21. Bg3 g5 22. Rhe1 Ng2 23. Re2 Nh4 24. Nc5 Nd7 25. Rde1 Nxc5 26. dxc5 Qf7 27. Qb3 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "3"]
[White "Ossa, Vladimir"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1999"]
[BlackElo "1830"]
[PlyCount "53"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 e6 4. Ne2 Nge7 5. c3 d5 6. exd5 exd5 7. d4 cxd4 8. cxd4 Be6 9. Nbc3 Qd7 10. 0-0 Nf5 11. Nf4 0-0-0 12. Ncxd5 Nfxd4 13. Be3 Nb5 14. Bxa7 Bxd5 15. Nxd5 Qf5 16. Bb6 Rxd5 17. Bxd5 Nc7 18. Bg2 Be7 19. Rc1 Rd8 20. Qa4 Rd6 21. Rfe1 Bd8 22. Rc5 Qd7 23. b4 Nb8 24. Bxb7+ Kxb7 25. Qa7+ Kc8 26. Bxc7 Bxc7 27. Re8+ 1-0

[Event "COL-ch Amateur U2000"]
[Site "Paipa"]
[Date "2020.02.27"]
[Round "2"]
[White "Puerto, Alejandro"]
[Black "Pelaez, Hernan"]
[Result "1-0"]
[ECO "A68"]
[WhiteElo "1830"]
[BlackElo "1706"]
[PlyCount "91"]
[EventDate "2020.02.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 c5 4. d5 d6 5. c3 Nf6 6. Nf3 0-0 7. Bd3 e6 8. c4 exd5 9. cxd5 Re8 10. Nc3 c4 11. Bc2 b5 12. a3 Na6 13. 0-0 Bg4 14. h3 Qb6+ 15. Kh2 Bd7 16. Re1 Nc5 17. Be3 Qc7 18. Bd4 a5 19. e5 Nh5 20. Qd2 Bh6 21. g3 b4 22. axb4 axb4 23. Rxa8 Rxa8 24. Ne2 b3 25. Bb1 Qc8 26. Neg1 Bf5 27. Bxc5 Qxc5 28. Bxf5 gxf5 29. Nd4 c3 30. Qxc3 Qxc3 31. bxc3 Ra2+ 32. Nge2 dxe5 33. Nxf5 Bf8 34. fxe5 Bc5 35. Kg2 Ng7 36. Nxg7 Kxg7 37. Kf3 Rc2 38. Rb1 b2 39. d6 Kf8 40. Nd4 Rxc3+ 41. Ke4 Ba3 42. Nb5 Rxg3 43. Nxa3 Rxa3 44. Rxb2 Rxh3 45. Rb8+ Kg7 46. d7 1-0

[Event "COL-ch U2000"]
[Site "Villamaria"]
[Date "2019.11.04"]
[Round "6"]
[White "Puerto, Alejandro"]
[Black "Sanchez Bonilla, John Henry"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1858"]
[BlackElo "1823"]
[PlyCount "26"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 c6 3. c3 d6 4. d4 Nf6 5. Bg5 Nbd7 6. Na3 Qc7 7. dxe5 Nxe5 8. Bxf6 gxf6 9. Nxe5 fxe5 10. Nc4 f6 11. Bd3 Qf7 12. Ne3 Be6 13. f3 Be7 1/2-1/2

[Event "COL-ch U2000"]
[Site "Villamaria"]
[Date "2019.11.04"]
[Round "7"]
[White "Salazar Grisales, Juan Jose"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1801"]
[BlackElo "1858"]
[PlyCount "63"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be3 a6 6. c4 Nf6 7. f3 Be7 8. Be2 0-0 9. 0-0 h6 10. Nc3 Nh7 11. f4 Bc5 12. Nc2 Bxe3+ 13. Nxe3 e5 14. f5 Nd4 15. Nc2 Nxe2+ 16. Qxe2 Rb8 17. Kh1 b6 18. Rad1 Bb7 19. Rd6 Nf6 20. Rfd1 Qe7 21. Rxb6 h5 22. Rbd6 Ng4 23. Ne3 Nf6 24. h3 Bxe4 25. Rxf6 Bxg2+ 26. Qxg2 Qxf6 27. Ne4 Qh4 28. Rg1 g6 29. fxg6 f5 30. Ng5 Rf6 31. Qd5+ Re6 32. Qxd7 1-0

[Event "COL-ch U2000"]
[Site "Villamaria"]
[Date "2019.11.03"]
[Round "4"]
[White "Puerto, Alejandro"]
[Black "Montoya, Duvan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1858"]
[BlackElo "1858"]
[PlyCount "117"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 0-0 6. h3 e5 7. fxe5 dxe5 8. d5 Nxe4 9. Bxe4 f5 10. Nc3 fxe4 11. Nxe4 Bf5 12. Nc3 e4 13. Bg5 Qd7 14. Nd4 Qd6 15. Be3 Qg3+ 16. Kd2 Bxd4 17. Bxd4 Qxg2+ 18. Qe2 Qxe2+ 19. Kxe2 b6 20. Rag1 Nd7 21. Nd1 Rae8 22. Ne3 Ne5 23. Bxe5 Rxe5 24. c4 Kf7 25. b4 Ke7 26. h4 Bd7 27. Rf1 Bf5 28. Rf2 h5 29. Rg1 Kd7 30. Rxg6 Bxg6 31. Rxf8 Re8 32. Rxe8 Kxe8 33. Kd2 Ke7 34. Kc3 Kd6 35. Kd4 c5+ 36. dxc6 Kxc6 37. a4 Kd6 38. c5+ bxc5+ 39. bxc5+ Kc6 40. Nc4 Bf5 41. Ne5+ Kc7 42. a5 a6 43. Ke3 Kd8 44. Nc6+ Kc7 45. Nb4 Kb7 46. Kd4 Bg6 47. c6+ Kc7 48. Kc5 Bf5 49. Nd5+ Kd8 50. Kd6 Bg4 51. c7+ Kc8 52. Kc6 Bd7+ 53. Kb6 Bg4 54. Ne7+ Kd7 55. c8Q+ Kxe7 56. Qxa6 e3 57. Kc7 e2 58. Qd6+ Kf7 59. Qe5 1-0

[Event "COL-ch U2000"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "3"]
[White "Mina Grueso, Joni Fernando"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1944"]
[BlackElo "1858"]
[PlyCount "79"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Bd6 9. Re1 Bb7 10. e5 Bc7 11. Qg4 g6 12. Bg5 Qd7 13. Na4 Bd8 14. Nc5 Qc7 15. c4 Ne7 16. Bf6 Rg8 17. Rac1 Bc8 18. cxd5 Nxd5 19. Bxd8 Qxd8 20. Bc2 h5 21. Qg3 Bd7 22. Ba4 Rc8 23. Nb7 Qb6 24. Nd6+ Kd8 25. Nxc8 Kxc8 26. Qa3 Rd8 27. Rc4 Kb7 28. Rec1 Rc8 29. Bd1 a5 30. Ra4 Ra8 31. Rc5 Nc7 32. Rcxa5 Rxa5 33. Rxa5 Nb5 34. Qb4 Kc7 35. Ra8 Kb7 36. Rf8 c5 37. Bf3+ Kc7 38. Qh4 Bc6 39. Qd8+ Kb7 40. Qa8+ 1-0

[Event "COL-ch U2000"]
[Site "Villamaria"]
[Date "2019.11.02"]
[Round "2"]
[White "Puerto, Alejandro"]
[Black "Torres, Richard"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1858"]
[BlackElo "1992"]
[PlyCount "56"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. d4 Qb6 5. Nf3 cxd4 6. Nxd4 Nc6 7. c3 Bc5 8. Bb5 Nge7 9. Bxc6+ Nxc6 10. Nf3 Bf2+ 11. Kf1 Bc5 12. g3 0-0 13. a4 f6 14. b4 Be7 15. b5 Nb8 16. Kg2 Nd7 17. Rf1 a6 18. Na3 fxe5 19. fxe5 Qc7 20. Qe2 Qxc3 21. Bd2 Qb3 22. Nd4 Qxa4 23. Nac2 Qc4 24. Rxf8+ Nxf8 25. Qf3 Bd7 26. bxa6 bxa6 27. Rf1 Be8 28. Bg5 Bg6 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.03"]
[Round "6"]
[White "Puerto, Alejandro"]
[Black "Gamboa, Jose Pompilio"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1967"]
[BlackElo "1781"]
[PlyCount "60"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. h3 d6 5. 0-0 h6 6. Nc3 Nf6 7. a3 0-0 8. b4 Bb6 9. Ne2 Be6 10. Bb5 Ne7 11. d3 a6 12. Ba4 a5 13. Bb2 Ng6 14. c3 Nh5 15. d4 Qf6 16. Nh2 Bc4 17. Rc1 axb4 18. Bb3 Bxe2 19. Qxe2 Nhf4 20. Qd2 Qg5 21. Qxf4 Nxf4 22. g3 Nxh3+ 23. Kg2 Nf4+ 24. Kh1 Ng6 25. axb4 c5 26. bxc5 dxc5 27. dxe5 Qxe5 28. f4 Qh5 29. Kg2 Rfd8 30. Rf2 c4 0-1

[Event "Tunja Boyaca op-B"]
[Site "Tunja"]
[Date "2019.08.01"]
[Round "2"]
[White "Puerto, Alejandro"]
[Black "Rojas Castillo, Leibnitz Edison"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1967"]
[BlackElo "1689"]
[PlyCount "38"]
[EventDate "2019.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 e6 6. dxe6 Nc6 7. exf7+ Kxf7 8. Be3 Bb4+ 9. Kf2 Re8 10. Nc3 Rxe3 11. Kxe3 Bc2 12. Qd2 Ng4+ 13. Kf4 Qh4 14. fxg4 Bd6+ 15. Kf3 Qf6+ 16. Ke2 Re8+ 17. Qe3 Rxe3+ 18. Kxe3 Qf4+ 19. Ke2 Nxd4+ 0-1

[Event "COL-ch U2000"]
[Site "Moniquira"]
[Date "2019.07.22"]
[Round "7"]
[White "Silva, Jorge"]
[Black "Puerto, Alejandro"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1985"]
[BlackElo "1976"]
[PlyCount "25"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 Bc5 8. Qe2 Ne7 9. Be3 Bb6 10. Bxb6 Qxb6 11. b3 0-0 12. Nd2 d5 13. c4 1/2-1/2

[Event "COL-ch U2000"]
[Site "Moniquira"]
[Date "2019.07.21"]
[Round "4"]
[White "Velez Rueda, Juan Diego"]
[Black "Puerto, Alejandro"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1920"]
[BlackElo "1976"]
[PlyCount "50"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bg4 4. Ne5 Bh5 5. Qb3 Qc8 6. cxd5 cxd5 7. Nc3 e6 8. Bf4 f6 9. Nd3 Nc6 10. e3 Qd7 11. Nb5 Rc8 12. Nc5 Bxc5 13. dxc5 e5 14. Nd6+ Kf8 15. Nxc8 Qxc8 16. Bg3 Nge7 17. Be2 Bf7 18. Qa4 h5 19. h3 g5 20. b4 a6 21. Rb1 Kg7 22. b5 axb5 23. Qxb5 Qf5 24. Qxb7 Rb8 25. Bd3 Qxd3 0-1

[Event "COL-ch U2000"]
[Site "Moniquira"]
[Date "2019.07.20"]
[Round "3"]
[White "Puerto, Alejandro"]
[Black "Coy Herran, Alfonso"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1976"]
[BlackElo "1887"]
[PlyCount "13"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 d5 4. exd5 Nxd5 5. Nf3 Nc6 6. 0-0 Nb6 7. Bb3 1-0

[Event "COL-ch U2000"]
[Site "Moniquira"]
[Date "2019.07.19"]
[Round "1"]
[White "Puerto, Alejandro"]
[Black "Gomez Delgado, Nelson"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1976"]
[BlackElo "1860"]
[PlyCount "90"]
[EventDate "2018.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Ne2 Bg7 5. 0-0 0-0 6. h3 e5 7. c3 Nbd7 8. f4 Qe7 9. fxe5 dxe5 10. Bg5 h6 11. Bxf6 Nxf6 12. d5 a6 13. Nd2 Ne8 14. Nf3 f5 15. exf5 e4 16. Nf4 Bxf5 17. g4 exf3 18. gxf5 Qg5+ 19. Kh1 Qxf4 20. Rxf3 Qe5 21. Qf1 Nd6 22. Re1 Qxd5 23. Rd1 Qc6 24. Re1 Nxf5 25. Qg2 Rae8 26. Ref1 Ne7 27. Be4 Qb6 28. Rg1 Rxf3 29. Bxf3 Rf8 30. Re1 Nf5 31. Re6 Nh4 32. Qe2 Qc5 33. Bxb7 Qf5 34. Re3 Qf1+ 35. Qxf1 Rxf1+ 36. Kh2 a5 37. Re2 Bf8 38. Kg3 g5 39. Kg4 Kg7 40. Be4 Ng6 41. Bxg6 Kxg6 42. Re6+ Rf6 43. Rxf6+ Kxf6 44. h4 Bd6 45. a3 a4 0-1

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.16"]
[Round "6"]
[White "Cifuentes, John Jairo"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2186"]
[BlackElo "2019"]
[PlyCount "85"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 Be7 8. c4 0-0 9. Nc3 h6 10. Be3 Rb8 11. h3 d6 12. b3 Nh7 13. Kh2 Qd7 14. f4 Qc7 15. f5 Rd8 16. fxe6 fxe6 17. Qh5 Bf6 18. Rad1 Qe7 19. Nxc6 bxc6 20. Bd4 e5 21. Be3 Be6 22. Rd2 Nf8 23. Qd1 Bf7 24. Rdf2 Kh7 25. Qc1 Nd7 26. h4 Be6 27. Bd2 Rf8 28. Nd1 Nc5 29. Qc3 Rbd8 30. Ne3 g6 31. b4 Nd7 32. Qa3 Ra8 33. Qa4 Rfc8 34. Qd1 Rf8 35. h5 gxh5 36. Qxh5 Bg5 37. Nf5 Bxf5 38. Rxf5 Rxf5 39. Rxf5 Bf6 40. Qxh6+ Kg8 41. Bg5 Rf8 42. Bxf6 Nxf6 43. Rg5+ 1-0

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.14"]
[Round "3"]
[White "Puerto, Alejandro"]
[Black "Torres Torres, Jefferson Arturo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2019"]
[BlackElo "1699"]
[PlyCount "54"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be3 b6 7. Bd3 c4 8. Bc2 Bb7 9. 0-0 Bd6 10. Nbd2 h6 11. Qe2 Qh5 12. Rae1 Ng4 13. h3 Nxe3 14. fxe3 Bg3 15. Ne5 Qxe2 16. Rxe2 Bxe5 17. dxe5 Nd7 18. Nf3 b5 19. e4 0-0 20. Rd2 Nc5 21. Re1 Rad8 22. Rd4 g5 23. b3 Nd3 24. Bxd3 cxd3 25. Re3 Rxd4 26. cxd4 Rd8 27. Rxd3 Bxe4 1/2-1/2

[Event "Tunja Boyacense op"]
[Site "Tunja"]
[Date "2018.12.13"]
[Round "1"]
[White "Puerto, Alejandro"]
[Black "Vizcaino Castillo, Andrea Carolina"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2019"]
[BlackElo "1458"]
[PlyCount "51"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 d6 4. c3 Be7 5. f4 Nc6 6. Nf3 Be6 7. Bxe6 fxe6 8. fxe5 dxe5 9. 0-0 Bc5+ 10. Kh1 0-0 11. Bg5 Qd7 12. Na3 Rad8 13. b4 Bd6 14. Qe2 a5 15. b5 Bxa3 16. bxc6 Qxc6 17. Nxe5 Qxc3 18. Ng4 Rxd3 19. Nxf6+ gxf6 20. Bh6 Rf7 21. Qg4+ Kh8 22. Qxe6 Bf8 23. Rac1 Qd4 24. Qxf7 Bxh6 25. Rxc7 Qd8 26. Qxh7# 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.17"]
[Round "6.11"]
[White "Obando Guzman, Soren Federico"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1989"]
[BlackElo "1840"]
[PlyCount "72"]
[EventDate "2017.12.14"]
[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 Ne7 4. g3 c6 5. Qc2 Ng6 6. Bg2 Bd6 7. 0-0 Nd7 8. Nbd2 f5 9. b3 f4 10. e4 0-0 11. e5 Be7 12. Bh3 Nb8 13. Bb2 c5 14. cxd5 exd5 15. e6 Nc6 16. dxc5 a5 17. a3 b6 18. cxb6 Qxb6 19. Rac1 Bb7 20. Bf5 Rxf5 21. Qxf5 Rf8 22. Qg4 fxg3 23. hxg3 Nd8 24. Rfe1 Nc6 25. Re3 Bf6 26. Bxf6 Rxf6 27. Rxc6 Qxc6 28. e7 Qe8 29. Qa4 Bc6 30. Qxa5 h6 31. Qd8 Kf7 32. Ne5+ Nxe5 33. Rxe5 Re6 34. Rf5+ Kg6 35. Qxe8+ Bxe8 36. Rxd5 Rxe7 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.16"]
[Round "5.19"]
[White "Puerto, Alejandro"]
[Black "Ceballos, Julio Cesar"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1840"]
[BlackElo "1731"]
[PlyCount "49"]
[EventDate "2017.12.14"]
[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 g6 2. d4 Bg7 3. f4 d6 4. h3 c5 5. d5 e6 6. c4 Qh4+ 7. Ke2 Bd4 8. Qe1 Qf6 9. Nc3 Ne7 10. Nf3 0-0 11. Kd1 exd5 12. cxd5 b5 13. Bxb5 Na6 14. a3 Rb8 15. Bd3 c4 16. Bc2 Nc5 17. e5 dxe5 18. fxe5 Qb6 19. Nxd4 Nd3 20. Qe3 Nxc1 21. Rxc1 Qxb2 22. Rb1 Qxa3 23. Rxb8 Bg4+ 24. hxg4 Rxb8 25. Kd2 1-0

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.15"]
[Round "3.22"]
[White "Puerto, Alejandro"]
[Black "Castillo Barajas, Jonhatan"]
[Result "1/2-1/2"]
[ECO "C21"]
[WhiteElo "1840"]
[BlackElo "1840"]
[PlyCount "89"]
[EventDate "2017.12.14"]
[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. c3 Nc6 3. d4 exd4 4. cxd4 d5 5. e5 Bf5 6. a3 g6 7. Nf3 Bh6 8. Bxh6 Nxh6 9. h3 Bxb1 10. Qxb1 0-0 11. Bb5 Na5 12. b4 c6 13. Bxc6 Nxc6 14. 0-0 Qd7 15. Qd3 f6 16. exf6 Rxf6 17. Ne5 Nxe5 18. dxe5 Re6 19. f4 d4 20. Rad1 Qd5 21. Qf3 Qxf3 22. Rxf3 d3 23. Rfxd3 Rf8 24. g3 Rf7 25. Rd8+ Kg7 26. R1d7 Rxd7 27. Rxd7+ Kf8 28. Rxh7 Nf7 29. g4 Kg8 30. Rh4 g5 31. fxg5 Nxg5 32. Rh5 Rxe5 33. h4 Nf7 34. Rxe5 Nxe5 35. g5 Nf3+ 36. Kf2 Nxh4 37. Kg3 Ng6 38. Kg4 Nf8 39. Kf5 Nd7 40. Ke6 Nb6 41. Kd6 Nc4+ 42. Kc7 Nxa3 43. Kxb7 Nb5 44. Ka6 Nd6 45. Kxa7 1/2-1/2

[Event "Tunja Liga Boyaca"]
[Site "Tunja"]
[Date "2017.12.14"]
[Round "1.10"]
[White "Puerto, Alejandro"]
[Black "Cadena, Juan Manuel"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "1840"]
[BlackElo "2095"]
[PlyCount "52"]
[EventDate "2017.12.14"]
[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 Ne7 5. 0-0 c6 6. Ba4 d6 7. d4 Ng6 8. Ne2 Be7 9. c4 0-0 10. h3 Be6 11. Bb3 a5 12. a3 Qc7 13. d5 cxd5 14. cxd5 Bd7 15. Be3 Nxe4 16. Rc1 Qd8 17. Nd2 Nxd2 18. Qxd2 f5 19. f4 e4 20. Bd4 Bf6 21. Bxf6 Qxf6 22. Rc7 Bb5 23. Rxb7 Rab8 24. Rxb8 Rxb8 25. Qxa5 Bxe2 26. Re1 Bd3 0-1

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.06"]
[Round "5"]
[White "Puerto, Alejandro"]
[Black "Rodriguez, German Enrique"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1827"]
[BlackElo "1949"]
[PlyCount "25"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Be3 cxd4 6. cxd4 Nc6 7. Nf3 Nf6 8. Nc3 Qd6 9. Bb5 Bd7 10. 0-0 a6 11. Ba4 Be7 12. a3 0-0 13. Rc1 1/2-1/2

[Event "Duitama op 9th"]
[Site "Duitama"]
[Date "2013.01.06"]
[Round "6"]
[White "Sepulveda Fonseca, Jefersson Dav"]
[Black "Puerto, Alejandro"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1576"]
[BlackElo "1827"]
[PlyCount "20"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. e3 Nf6 5. Nc3 Bd6 6. Qe2 dxc4 7. Qxc4 0-0 8. Bd3 Bd7 9. Bd2 Nb4 10. 0-0 Nxd3 0-1

[Event "Duitama op 13th"]
[Site "Duitama"]
[Date "2010.01.09"]
[Round "3.10"]
[White "Puerto, Alejandro"]
[Black "Penas Burgos, Nestor"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1858"]
[BlackElo "1609"]
[PlyCount "36"]
[EventDate "2010.01.09"]
[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 g6 2. d4 d6 3. f4 Bg7 4. Nf3 Nd7 5. Be3 Ngf6 6. Bd3 c6 7. Nbd2 0-0 8. c3 Ng4 9. Bg1 e5 10. h3 Nh6 11. fxe5 dxe5 12. Be3 f6 13. 0-0 Re8 14. Qe2 Nf8 15. Bc4+ Be6 16. Rf2 Nf7 17. Raf1 b5 18. Bxe6 Nxe6 1-0

[Event "Duitama op 13th"]
[Site "Duitama"]
[Date "2010.01.09"]
[Round "2.2"]
[White "Sierra Fonseca, Edwin Andres"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2136"]
[BlackElo "1858"]
[PlyCount "51"]
[EventDate "2010.01.09"]
[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 a6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Be2 Bb4 7. 0-0 Nf6 8. Nxc6 bxc6 9. e5 Bxc3 10. bxc3 Nd5 11. Bd3 0-0 12. Qh5 f5 13. exf6 Nxf6 14. Qh4 d5 15. Ba3 Rf7 16. Bxh7+ Kh8 17. Bg6+ Kg8 18. Rae1 Qc7 19. Re3 c5 20. f4 Rb8 21. Rh3 Kf8 22. Rg3 Rb7 23. Qh8+ Ng8 24. Bxf7 Qxf7 25. Bxc5+ Ke8 26. f5 1-0

[Event "COL-ch sf"]
[Site "Duitama"]
[Date "1999.??.??"]
[Round "?"]
[White "Gamboa, Nelson"]
[Black "Puerto, Alejandro"]
[Result "1-0"]
[ECO "B58"]
[WhiteElo "2411"]
[PlyCount "57"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 h6 8. 0-0 Be6 9. Re1 Be7 10. Bf1 g5 11. Nd5 g4 12. Nxf6+ Bxf6 13. Nd2 h5 14. c3 a6 15. Nc4 Be7 16. Be3 b5 17. Nb6 Rb8 18. Nd5 Bf8 19. a4 Bh6 20. axb5 axb5 21. Bb6 Rxb6 22. Nxb6 Qxb6 23. Qxd6 Qb7 24. Bxb5 Bd7 25. Bxc6 Qxc6 26. Qxe5+ Kd8 27. Qxh8+ Ke7 28. Qe5+ Kf8 29. Ra8+ 1-0

