[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.29"]
[Round "7"]
[White "Alvarez, Alvaro"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "D88"]
[WhiteElo "2050"]
[BlackElo "1879"]
[PlyCount "65"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bxf7+ Rxf7 14. fxg4 Rxf1+ 15. Kxf1 Qd6 16. e5 Qe6 17. Nf4 Qd7 18. Rb1 Rd8 19. Qe2 b6 20. h3 Rc8 21. Kg1 Qa4 22. Nd5 Bf8 23. Rf1 e6 24. Nf6+ Kh8 25. Qf2 Qa3 26. h4 h6 27. h5 g5 28. Qf3 Nc4 29. Rc1 Nd6 30. Rxc8 Nxc8 31. Qe4 Qe7 32. Qg6 b5 33. Qg8# 1-0

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.28"]
[Round "6"]
[White "Cardona, Gregorio"]
[Black "Vallejo, Humberto"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1879"]
[BlackElo "2074"]
[PlyCount "125"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 Re8 7. d3 Bxc3 8. bxc3 d5 9. cxd5 Nxd5 10. Bb2 a5 11. Rb1 a4 12. Nd2 Be6 13. c4 Nde7 14. Ne4 b6 15. Nc3 a3 16. Bc1 Qd7 17. Rb3 Bh3 18. Rxa3 Bxg2 19. Rxa8 Rxa8 20. Kxg2 Nd4 21. f4 exf4 22. Rxf4 Ng6 23. Rf2 Ne5 24. e3 Nf5 25. d4 Nxc4 26. Qf3 Ra5 27. d5 g6 28. e4 Nfd6 29. Bh6 Ra3 30. Qf6 Ne8 31. Qd4 Ncd6 32. h3 Rxc3 33. Qxc3 Nxe4 34. Qc6 Qxc6 35. dxc6 Nxf2 36. Kxf2 f6 37. Ke3 Kf7 38. Kd4 g5 39. h4 gxh4 40. gxh4 Ke6 41. Bf4 Kf5 42. Bg3 Kg4 43. Bf2 Kf3 44. Be1 Ng7 45. Kd5 f5 46. Bc3 Ne8 47. Ke6 Ke4 48. Kd7 Kd5 49. Bd2 Nd6 50. Bf4 Nb5 51. a4 Nc3 52. Kxc7 Nxa4 53. Be3 Nc3 54. Bxb6 Ne4 55. Be3 Ke5 56. Kd8 f4 57. c7 Nd6 58. Bf2 Ke6 59. c8Q+ Nxc8 60. Kxc8 h5 61. Kd8 Kf5 62. Ke7 Ke4 63. Kf6 1-0

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.28"]
[Round "5"]
[White "Velasquez, Joaquin"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2150"]
[BlackElo "1879"]
[PlyCount "42"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. d4 Nxc3 5. bxc3 c5 6. Be3 Nc6 7. Bb5 Qa5 8. Bxc6+ bxc6 9. Qd2 Bf5 10. Ne2 e6 11. 0-0 Be7 12. Rfb1 0-0 13. dxc5 Bxc5 14. Bxc5 Qxc5 15. Nd4 Rab8 16. Rb3 Rb6 17. Rab1 Rfb8 18. Rb4 Qa5 19. a4 Rxb4 20. cxb4 Qxa4 21. Rb3 Rb6 1-0

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.27"]
[Round "4"]
[White "Cardona, Gregorio"]
[Black "Penas Burgos, Nestor"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1879"]
[BlackElo "1755"]
[PlyCount "107"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d3 c6 8. Rb1 Nbd7 9. b4 Re8 10. Be3 Ng4 11. Bd2 a5 12. bxa5 Nc5 13. Na4 e4 14. Ne1 e3 15. fxe3 Nxa4 16. Qxa4 Nxe3 17. Rf2 Ng4 18. Nf3 Nxf2 19. Kxf2 h6 20. Qb3 Qf6 21. e3 g5 22. Kg1 Bg4 23. Nd4 Re7 24. Qb6 Qe5 25. Bxc6 Qc5 26. Bd5 Qa3 27. Qb3 Qc5 28. Nc2 Rae8 29. d4 Qc8 30. Bxb7 Qd7 31. a6 Bf5 32. a7 Be4 33. Bxe4 Rxe4 34. Qa3 Ra8 35. Rb8+ Re8 36. Rxe8+ Qxe8 37. Qxd6 Rxa7 38. a3 Bf8 39. Qb6 Qd7 40. Bb4 Rb7 41. Qf6 Bg7 42. Qf3 Rb8 43. c5 Qa4 44. Qe4 Re8 45. Qd3 h5 46. d5 Re5 47. d6 Qa8 48. c6 Qxc6 49. d7 Bf6 50. d8Q+ Re8 51. Q8d6 Qf3 52. Nd4 Bxd4 53. Q6xd4 h4 54. Bc3 1-0

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.27"]
[Round "3"]
[White "Rey, Luis Hernando"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1736"]
[BlackElo "1879"]
[PlyCount "130"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. h3 g6 5. d4 Bg7 6. c4 Nb6 7. Nc3 0-0 8. Be2 Nc6 9. Bf4 Na5 10. b3 c5 11. dxc5 dxc5 12. Qxd8 Rxd8 13. Rc1 Nc6 14. Rd1 Bf5 15. 0-0 Nd7 16. Nd5 Kf8 17. Nh4 Ndxe5 18. Nxf5 gxf5 19. Be3 Nd4 20. Bh5 Rd7 21. Rd2 Rad8 22. Rfd1 Ng6 23. f4 b6 24. Kf1 e6 25. Nc3 Ne7 26. Ne2 Nec6 27. Ng1 Ke7 28. Nf3 h6 29. Nxd4 Nxd4 30. g4 fxg4 31. Bxd4 Bxd4 32. hxg4 a5 33. Ke2 Rg8 34. Kf3 a4 35. Rd3 Ra7 36. R1d2 Rga8 37. Ke4 axb3 38. axb3 Ra1 39. Rd1 R1a2 40. R1d2 f6 41. Rxa2 Rxa2 42. Kf3 e5 43. fxe5 fxe5 44. Bg6 Kf6 45. Bh5 Ra1 46. Ke4 Re1+ 47. Kd5 e4 48. Rg3 Kg5 49. Rg2 e3 50. Ke4 Rb1 51. Kf3 Rxb3 52. Ra2 Rb1 53. Re2 Rc1 54. Be8 Rxc4 55. Bd7 Rc1 56. Ke4 Rb1 57. Rh2 b5 58. Rh5+ Kg6 59. Bf5+ Kg7 60. Rh2 Rf1 61. Kd3 Rf2 62. Rxf2 exf2 63. Ke2 b4 64. Be6 Kf6 65. Kf1 Kxe6 0-1

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.26"]
[Round "2"]
[White "Cardona, Gregorio"]
[Black "Lopez Sarmiento, Isnardo"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1879"]
[BlackElo "1760"]
[PlyCount "24"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. d3 0-0 8. a3 d5 9. cxd5 exd5 10. Bf4 d4 11. Ne4 b6 12. Bg5 f5 0-1

[Event "COL-ch Seniors"]
[Site "Bucaramanga"]
[Date "2013.09.26"]
[Round "1"]
[White "Saladen Dulce, Rafael"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2225"]
[BlackElo "1879"]
[PlyCount "77"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. Nc3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 exd5 9. Qe3+ Kf8 10. Qf4 Bf6 11. Nf3 Be6 12. e3 Kg7 13. Be2 Re8 14. 0-0 Nd7 15. Nb5 Rc8 16. Nxa7 Rb8 17. Nb5 c6 18. Nc7 Re7 19. Nxe6+ Rxe6 20. Bd3 Ra8 21. b4 Ra3 22. Bc2 Re8 23. Bb3 Qb6 24. Rab1 Re4 25. Qd6 Nf8 26. Ne5 Bxe5 27. dxe5 Rxb4 28. Qf6+ Kg8 29. Bxd5 cxd5 30. Qxb6 Rxb6 31. Rxb6 Rxa2 32. Rxb7 Ne6 33. Rd1 d4 34. exd4 Nxd4 35. h3 Ne2+ 36. Kh2 Nc3 37. Rd8+ Kg7 38. e6 Rxf2 39. e7 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.09.08"]
[Round "9"]
[White "Cardona, Gregorio"]
[Black "Lorduy Diaz, Jesus David"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1879"]
[BlackElo "1801"]
[PlyCount "25"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 Nf6 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Bd7 9. Rb1 Rc8 10. b3 0-0 11. Bb2 a6 12. Nd5 Qa5 13. Nxf6+ 0-1

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.07"]
[Round "7"]
[White "Cardona, Gregorio"]
[Black "Vasquez Garrido, Nuremberg Adin"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1879"]
[BlackElo "1886"]
[PlyCount "45"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nf3 Bxc3 4. bxc3 d6 5. g3 f5 6. Bg2 Nf6 7. Qb3 Nc6 8. 0-0 0-0 9. d3 Qe8 10. Ba3 e4 11. Nd4 Ne5 12. c5+ Rf7 13. cxd6 exd3 14. dxc7 Ne4 15. exd3 Nd2 16. Qd5 Nxf1 17. Rxf1 Ng6 18. Qd8 Bd7 19. Qxe8+ Rxe8 20. Bd5 Ne7 21. Re1 Nc8 22. Rxe8+ Bxe8 23. Nxf5 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.07"]
[Round "8"]
[White "Martinez Llamas, Amaury A"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1800"]
[BlackElo "1879"]
[PlyCount "99"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 0-0 6. e3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. Qa4 Qb6 11. Be5 e6 12. 0-0 Nd7 13. Bxg7 Kxg7 14. Qc2 Rb8 15. b3 f5 16. cxd5 cxd5 17. Na4 Qd6 18. Rac1 Rd8 19. Qc7 Qxc7 20. Rxc7 Rb7 21. Rfc1 Rxc7 22. Rxc7 Kf6 23. Rxa7 e5 24. Ra8 Ke7 25. Bb5 Nf6 26. Nb6 Be6 27. Rxd8 Kxd8 28. Na4 Kc7 29. Kf1 g5 30. Ke2 f4 31. exf4 gxf4 32. f3 Bf5 33. b4 d4 34. Bc4 e4 35. fxe4 Bxe4 36. Nc5 Bxg2 37. Ne6+ Kd6 38. Nxf4 Be4 39. Bd3 Bb7 40. a4 Ke5 41. Nh3 Nd5 42. Bxh7 Nxb4 43. Nf2 Nd5 44. Kd2 Nb4 45. Nd3+ Nxd3 46. Bxd3 Kf4 47. Be2 Be4 48. a5 Kg5 49. a6 Kh4 50. Bb5 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.06"]
[Round "5"]
[White "Cardona, Gregorio"]
[Black "Manuel Mestras, Nelson"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1879"]
[BlackElo "1705"]
[PlyCount "53"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. Nf3 c5 7. 0-0 Nc6 8. Qd3 cxd4 9. cxd5 exd5 10. Nxd4 Ne5 11. Qb5 a6 12. Qb3 Rb8 13. Rd1 Be6 14. Nxe6 fxe6 15. e4 Bc5 16. h3 Qe7 17. exd5 Nh5 18. Ne4 Ba7 19. Be3 Bxe3 20. Qxe3 exd5 21. Rxd5 Nf6 22. Nxf6+ gxf6 23. f4 Nc6 24. Qxe7 Nxe7 25. Rd7 Nc6 26. Re1 Rf7 27. Bd5 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.06"]
[Round "6"]
[White "Rodriguez, Juan Carlos"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1728"]
[BlackElo "1879"]
[PlyCount "88"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 c6 8. Qb3 e6 9. e4 Nc7 10. a4 c5 11. Rd1 Nc6 12. a5 Na6 13. Bf1 Nd4 14. Nxd4 cxd4 15. Nb5 Nc5 16. Qf3 f5 17. exf5 Rxf5 18. Qa3 a6 19. b4 Ne4 20. f3 Ng5 21. f4 Nf7 22. Bb2 axb5 23. Bd3 Qd5 24. Rac1 b6 25. Re1 Nd6 26. Rxc8+ Rxc8 27. axb6 Ra8 28. b7 Qxb7 29. Qb3 Qd5 30. Qc2 Rff8 31. Qc7 Rf7 32. Qc2 Ra2 33. Qc1 Qb3 34. Bxb5 Nxb5 35. Ba1 Rc7 36. Qb1 Qxb1 37. Rxb1 d3 38. Bxg7 Kxg7 39. Kg2 Rxd2+ 40. Kh3 h5 41. Kh4 Kf6 42. h3 Nd4 43. g4 Rg2 44. Rf1 Rc1 0-1

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.05"]
[Round "3"]
[White "Cardona, Gregorio"]
[Black "Millan, John Alberto"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1879"]
[BlackElo "1860"]
[PlyCount "67"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. b3 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bd2 Ng4 12. h3 d4 13. exd4 Qxd4 14. Qc2 Nf6 15. Ne4 Nxe4 16. Bxe4 f5 17. Bf3 Qxa1 18. Rxa1 Bxa1 19. b4 Be5 20. b5 Bd7 21. a4 Rac8 22. Qb3 Be6 23. Qe3 Bxc4 24. Qxe5 cxb5 25. Bc3 Rf7 26. axb5 a6 27. bxa6 bxa6 28. g4 f4 29. g5 Rcf8 30. Be4 Rd7 31. h4 Rfd8 32. h5 Rf8 33. h6 Rc8 34. Qf5 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.05"]
[Round "4"]
[White "Charris Zabaleta, Rafael Julio"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1754"]
[BlackElo "1879"]
[PlyCount "65"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. c4 Nb6 6. Nc3 g6 7. Nf3 Bg7 8. Be3 0-0 9. Be2 Nc6 10. h3 Bd7 11. Rc1 Rc8 12. 0-0 Qc7 13. b3 Rfd8 14. Nd5 Qb8 15. Nxb6 axb6 16. d5 Nb4 17. a3 Na2 18. Rc2 Nc3 19. Qd2 Nxe2+ 20. Qxe2 b5 21. Bd4 e5 22. dxe6 Bxe6 23. Bxg7 Kxg7 24. cxb5 Qa7 25. Rxc8 Rxc8 26. Qb2+ Kg8 27. Rc1 Rxc1+ 28. Qxc1 h5 29. a4 Qc5 30. Qxc5 dxc5 31. Nd2 Bd7 32. Ne4 b6 33. Nf6+ 1-0

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.04"]
[Round "1"]
[White "Cardona, Gregorio"]
[Black "Cuartas, Andres Mauricio"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1879"]
[BlackElo "1709"]
[PlyCount "54"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. d3 0-0 8. a3 h6 9. Rb1 Be6 10. b4 Qc7 11. Nd2 Rad8 12. Qb3 Nd4 13. Qb2 cxb4 14. Qxb4 b6 15. e3 d5 16. Qa4 Nc6 17. Nb5 Qd7 18. Rd1 Na5 19. cxd5 Bxd5 20. Ne4 Bxe4 21. Bxe4 a6 22. Nc3 Qxa4 23. Nxa4 Nxe4 24. Rxb6 Rd6 25. Rb4 Ng5 26. Bb2 Rc6 27. Rg4 f5 0-1

[Event "Pan American-ch"]
[Site "Cartagena"]
[Date "2012.07.04"]
[Round "2"]
[White "Mora, Alfonso"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1640"]
[BlackElo "1879"]
[PlyCount "102"]
[EventDate "2012.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. Nxd5 Qxd5 6. Bf4 Bg7 7. Nf3 c5 8. Rc1 Qxa2 9. Rxc5 0-0 10. Qc2 Na6 11. Rc4 Bd7 12. e3 Bb5 13. b3 Qxc2 14. Rxc2 Bxf1 15. Rxf1 Rfc8 16. Kd2 Rxc2+ 17. Kxc2 Rc8+ 18. Kd2 Nb4 19. Ke2 Rc2+ 20. Nd2 f6 21. Ra1 e5 22. dxe5 fxe5 23. Bg5 e4 24. Rxa7 Bc3 25. Ra8+ Kf7 26. Rd8 Nd3 27. Rxd3 exd3+ 28. Kxd3 Rxd2+ 29. Kxc3 Rxf2 30. g3 Rxh2 31. Kc4 h6 32. Bf4 g5 33. Bb8 Ke6 34. b4 Kd7 35. Kd5 Rb2 36. Ke5 Rxb4 37. Kf5 Rb6 38. e4 Rc6 39. e5 b5 40. Ba7 Ke7 41. Bd4 b4 42. e6 b3 43. Bf6+ Ke8 44. Bg7 Rc2 45. Kg6 b2 46. Bxb2 Rxb2 47. Kxh6 Rb5 48. g4 Ke7 49. Kh5 Kxe6 50. Kg6 Ra5 51. Kg7 Ke5 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.09"]
[Round "7"]
[White "Cardona, Gregorio"]
[Black "Aponte Martinez, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "A29"]
[BlackElo "1948"]
[PlyCount "102"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 e4 5. Ng5 d5 6. cxd5 Nxd5 7. Ngxe4 f5 8. Ng5 Nxc3 9. dxc3 Qxd1+ 10. Kxd1 h6 11. Nf3 Be6 12. Kc2 Bc5 13. Be3 Bxe3 14. fxe3 0-0-0 15. Bh3 Rhe8 16. Nd4 g6 17. Nxc6 bxc6 18. e4 Bd7 19. Bg2 fxe4 20. e3 Bg4 21. Rhf1 Rd3 22. Rae1 h5 23. Bxe4 Rd6 24. Bf3 Bf5+ 25. e4 Bh3 26. Rg1 Rf6 27. Bd1 Rf2+ 28. Re2 Rxe2+ 29. Bxe2 Rxe4 30. Bd3 Re6 31. Kd2 Rf6 32. Re1 Rd6 33. Ke3 Re6+ 34. Kf2 Rf6+ 35. Ke3 Re6+ 36. Kd2 Rd6 37. Re3 c5 38. Kc2 Rf6 39. Kb3 Be6+ 40. Ka4 Bd7+ 41. Kb3 Be6+ 42. c4 Kd7 43. Ka4 Bg4 44. Kb3 Rb6+ 45. Kc3 Rf6 46. Re5 Kd6 47. Rd5+ Kc6 48. Rg5 Rf2 49. Rxg6+ Kd7 50. Rg7+ Kd6 51. Rg6+ Kd7 1/2-1/2

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "5"]
[White "Cardona, Gregorio"]
[Black "Gomez, Juan Andres"]
[Result "1-0"]
[ECO "A29"]
[BlackElo "1819"]
[PlyCount "53"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 d6 7. d3 h6 8. Bd2 Be6 9. a3 Ba5 10. e3 d5 11. b4 Nxb4 12. axb4 Bxb4 13. Nxe5 Qd6 14. Nxd5 Nxd5 15. cxd5 Bxd2 16. Nc4 Qc5 17. dxe6 Bc3 18. Rc1 Qb4 19. Rb1 Qe7 20. exf7+ Qxf7 21. Qc2 Bf6 22. Rxb7 a6 23. Nd2 Rac8 24. Qc4 Qxc4 25. Nxc4 Rfd8 26. Be4 Re8 27. Ra7 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "6"]
[White "Hoyos Campuzano, Efrain"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "D82"]
[WhiteElo "1932"]
[PlyCount "64"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. c5 b6 6. cxb6 axb6 7. Nb5 Na6 8. Rc1 c5 9. dxc5 bxc5 10. Bd2 Ne4 11. f3 Nxd2 12. Qxd2 0-0 13. e3 Bf5 14. Ne2 Nb4 15. Ng3 Rxa2 16. Nc3 Ra7 17. Nxf5 gxf5 18. Be2 d4 19. exd4 Bxd4 20. Qg5+ Kh8 21. Qxf5 e6 22. Qh5 Qf6 23. Kf1 Qf4 24. Rd1 Nc2 25. g3 Ne3+ 26. Ke1 Qf6 27. Bd3 Qg7 28. Rc1 Rb8 29. Nb5 Ra2 30. Nxd4 cxd4 31. Bxh7 Raxb2 32. g4 Qxh7 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "4"]
[White "Alvarez, Alvaro"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "1957"]
[PlyCount "47"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Be7 9. e4 0-0 10. e5 Nd5 11. Nxd5 cxd5 12. h4 f6 13. Bxh7+ Kh8 14. Bg6 fxe5 15. Ng5 Bb4+ 16. Kf1 Rxf2+ 17. Kg1 Qf6 18. Qh5+ Kg8 19. Be3 Rf5 20. Bf7+ Kf8 21. Nxe6+ Ke7 22. Bg5 Rxg5 23. Nxg5 Qb6 24. Rd1 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "3"]
[White "Cardona, Gregorio"]
[Black "Luque A, Silvia Catalina"]
[Result "1-0"]
[ECO "E62"]
[BlackElo "1997"]
[PlyCount "73"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. g3 d6 4. Bg2 Nf6 5. d4 0-0 6. Nc3 c6 7. 0-0 Bf5 8. Nh4 Be6 9. Qd3 Re8 10. e4 Qd7 11. Re1 Bh3 12. Bh1 c5 13. d5 e6 14. dxe6 Rxe6 15. Ng2 Nc6 16. Nf4 Re7 17. Nfd5 Ree8 18. Bg5 Nxd5 19. Nxd5 Re6 20. Rad1 h6 21. Nf4 hxg5 22. Nxh3 Ne5 23. Qb3 f6 24. f4 gxf4 25. gxf4 Nc6 26. e5 fxe5 27. Bd5 Na5 28. Qg3 Kf8 29. Bxe6 Qxe6 30. Ng5 Qe7 31. Qd3 Rd8 32. Qxg6 Kg8 33. fxe5 Nxc4 34. exd6 Qd7 35. Qh7+ Kf8 36. Rf1+ Ke8 37. Qg8+ 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.06"]
[Round "1"]
[White "Cardona, Gregorio"]
[Black "Villamil Alarcon, Hector Orlando"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2077"]
[PlyCount "60"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 e5 5. d3 d6 6. Be2 Be7 7. 0-0 0-0 8. a3 h6 9. Rb1 a5 10. Bd2 Bg4 11. Nd5 Bxf3 12. Bxf3 Nxd5 13. cxd5 Nd4 14. b4 axb4 15. axb4 Ra2 16. Be3 Nxf3+ 17. Qxf3 b6 18. bxc5 bxc5 19. Qg4 Bg5 20. Bxg5 Qxg5 21. Qxg5 hxg5 22. Rb6 Rd8 23. Rfb1 Rd7 24. Kf1 Rd2 25. Rb8+ Kh7 26. R1b6 Rxd3 27. Ra8 Rd4 28. f3 g4 29. Ke2 gxf3+ 30. Kxf3 f5 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.06"]
[Round "2"]
[White "Corredor Sanchez, Fabian Ricardo"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1993"]
[PlyCount "67"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 a6 7. 0-0 Qc7 8. Qe2 Nf6 9. Rd1 d6 10. Bg5 Be7 11. Rac1 h6 12. Be3 Ng4 13. Bb3 Nxe3 14. Qxe3 Qa5 15. Na4 Bd7 16. Nb6 Rd8 17. Nc4 Qc7 18. Nb6 Qb8 19. Ba4 Ne5 20. Nxe5 Bxa4 21. Nxf7 Kxf7 22. Nxa4 b5 23. Nc3 Rhe8 24. Rd3 d5 25. exd5 exd5 26. Qf3+ Kg8 27. Nxd5 Bc5 28. Qg3 Qa7 29. Nf6+ Kf7 30. Nxe8 Rxd3 31. Qxd3 Kxe8 32. Qg6+ Kd8 33. Rd1+ Kc8 34. Qe8+ 1-0

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.06"]
[Round "5"]
[White "Carvajal Montoya, Juan Camilo"]
[Black "Cardona, Gregorio"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1949"]
[PlyCount "83"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 e6 7. Nc3 Qd8 8. Be2 Nf6 9. 0-0 Be7 10. Bf4 Nc6 11. Rc1 0-0 12. Qd2 Nd5 13. Bg3 Bd7 14. Rfe1 Rc8 15. a3 Na5 16. Nxd5 exd5 17. Rxc8 Bxc8 18. Bd3 Nc6 19. Bb1 Bf6 20. Ne5 g6 21. h3 Qb6 22. Nxc6 Qxc6 23. Be5 Bg7 24. b4 Re8 25. Rc1 Qe6 26. Ba2 Bd7 27. Rc5 Bc6 28. Bxg7 Kxg7 29. Qf4 Qe1+ 30. Kh2 Re2 31. Bxd5 Bxd5 32. Rxd5 Rxf2 33. Qe5+ Qxe5+ 34. dxe5 Ra2 35. Rd7 Rxa3 36. e6 Re3 37. exf7 b6 38. Ra7 a5 39. bxa5 bxa5 40. f8Q+ Kxf8 41. Rxh7 Ra3 42. Ra7 1/2-1/2

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.05"]
[Round "3"]
[White "Alvarez, Alfonso"]
[Black "Cardona, Gregorio"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2035"]
[PlyCount "45"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. e3 0-0 6. h3 c6 7. Be2 Nbd7 8. cxd5 cxd5 9. 0-0 Nb6 10. Bd3 Be6 11. b3 Nc8 12. Bb2 Nd6 13. Rc1 Qa5 14. Qd2 Rac8 15. a3 Qb6 16. b4 Nc4 17. Bxc4 Rxc4 18. Ne5 Rcc8 19. Na4 Qb5 20. Nc5 Ne4 21. Nxe4 dxe4 22. Rc5 Rxc5 23. dxc5 1/2-1/2

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.05"]
[Round "4"]
[White "Cardona, Gregorio"]
[Black "Echavarria, Johann"]
[Result "0-1"]
[ECO "A06"]
[BlackElo "2384"]
[PlyCount "64"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. Nf3 f6 4. e3 e5 5. Nxe5 fxe5 6. Qh5+ Ke7 7. Qxe5+ Be6 8. Bd3 Nc6 9. Qg5+ Kd7 10. Qg3 Nf6 11. 0-0 Qc7 12. f4 Re8 13. Bb5 Kc8 14. Be5 Ne4 15. Qe1 Bd6 16. Bxd6 Nxd6 17. a4 Rhg8 18. Nc3 a6 19. Bd3 g6 20. Qg3 Nb4 21. Qf3 Qc6 22. a5 Kb8 23. Na4 c4 24. bxc4 dxc4 25. Qxc6 Nxc6 26. Be2 Bf5 27. Ra2 Nb4 28. Rb2 Nxc2 29. Nc5 Rc8 30. Bxc4 Nxc4 31. Rxb7+ Ka8 32. Rfb1 Rxc5 0-1

[Event "Medellin Cuartas Memorial"]
[Site "Medellin"]
[Date "2011.08.03"]
[Round "1"]
[White "Arias, Braulio"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2049"]
[PlyCount "35"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nc3 Bf5 6. Nf3 e6 7. Qb3 Nc6 8. a3 Na5 9. Qa4+ c6 10. b4 Nxc4 11. Bxc4 b5 12. Nxb5 cxb5 13. Bxb5+ Ke7 14. Ne5 Qc7 15. Nc6+ Kd7 16. Nxa7+ Kd8 17. Nc6+ Kd7 18. Qxa8 1-0

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.24"]
[Round "9.13"]
[White "Sepulveda Tuberquia, Ferney"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1610"]
[BlackElo "1682"]
[PlyCount "105"]
[EventDate "2011.04.20"]
[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 a6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bg5 Qc7 8. Qf3 Qc6 9. Bxf6 Qxf6 10. Qxf6 gxf6 11. 0-0-0 Bxc3 12. bxc3 Ke7 13. Be2 Rd8 14. Na5 d6 15. Nc4 f5 16. Nb6 Ra7 17. Nxc8+ Rxc8 18. exf5 Rxc3 19. Kb2 Rc5 20. g4 b5 21. Rd2 Rac7 22. g5 e4 23. f6+ Ke6 24. h4 Nd7 25. Bg4+ Ke5 26. Rh3 Nb6 27. Be2 Nc4+ 28. Bxc4 Rxc4 29. Ra3 R7c6 30. Rg3 Kf4 31. c3 R4c5 32. Kb3 Re5 33. Rd4 d5 34. Kb4 Rc4+ 35. Rxc4 dxc4 36. Ka5 Re6 37. Kb4 Kf5 38. a4 bxa4 39. Kxa4 Kf4 40. Kb4 Rc6 41. h5 Kf5 42. Ka5 Kf4 43. g6 fxg6 44. hxg6 hxg6 45. Rxg6 Rc7 46. Kxa6 Rd7 47. Rg7 Rd8 48. Re7 Rf8 49. f7 Kf5 50. Kb5 Kf6 51. Rxe4 Rb8+ 52. Kxc4 Kxf7 53. Re2 1-0

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.23"]
[Round "7.13"]
[White "Garcia O, Juan David"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1600"]
[BlackElo "1682"]
[PlyCount "112"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Be2 c5 7. 0-0 cxd4 8. Nxd4 dxc4 9. Bxc4 Qc7 10. b3 Ng4 11. f4 Nc6 12. h3 Nxd4 13. exd4 Nf6 14. Be3 Be6 15. Nb5 Qb6 16. Rc1 Rac8 17. Qe2 Nd5 18. Bxd5 Bxd5 19. Nc3 e6 20. Nxd5 exd5 21. Rc5 Qe6 22. Qf3 Rxc5 23. dxc5 Rd8 24. Bf2 Qe4 25. Qxe4 dxe4 26. Be3 f5 27. Rc1 Bd4 28. Kf2 Bxe3+ 29. Kxe3 Rd3+ 30. Ke2 Rg3 31. Kf2 Rd3 32. Rc2 Kf7 33. b4 Ke6 34. c6 bxc6 35. Rxc6+ Kd5 36. Ra6 Rd2+ 37. Kf1 Kd4 38. Rxa7 Kc4 39. Rxh7 Rxa2 40. Rg7 Kd3 41. Rxg6 Ra1+ 42. Kf2 e3+ 43. Kg3 e2 44. Re6 e1Q+ 45. Rxe1 Rxe1 46. Kh4 Ke4 47. Kg5 Rf1 48. g3 Rf3 49. Kh4 Rb3 50. g4 Kxf4 51. g5 Rg3 52. b5 Rxg5 53. b6 Rg6 54. Kh5 Rxb6 55. h4 Ke3 56. Kg5 f4 0-1

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.22"]
[Round "5.25"]
[White "Cardona, Gregorio"]
[Black "Arbelaez Gil, Omar Ignacio de Jes"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1682"]
[BlackElo "1541"]
[PlyCount "47"]
[EventDate "2011.04.20"]
[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. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bd6 8. 0-0 0-0 9. d4 exd4 10. cxd4 Re8 11. Bg5 f6 12. Be3 Bg4 13. Qb3+ Kh8 14. Qxb7 Qd7 15. Ne5 Nxe5 16. dxe5 Bxe5 17. Bc6 Qc8 18. Qxa8 Qxa8 19. Bxa8 Bxa1 20. Bc6 Rd8 21. Rxa1 Bxe2 22. Bxa7 Rd2 23. a4 Rc2 24. Be4 1-0

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.22"]
[Round "4.27"]
[White "Gaviria B, Alejandro"]
[Black "Cardona, Gregorio"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "1600"]
[BlackElo "1682"]
[PlyCount "24"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e3 d5 5. Nf3 0-0 6. Bd3 dxc4 7. Bxc4 c5 8. 0-0 Qa5 9. Bd2 Qb4 10. Qb3 Qxb3 11. Bxb3 Na6 12. h3 b6 1/2-1/2

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.21"]
[Round "2.27"]
[White "Sanchez Ospina, William"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1582"]
[BlackElo "1682"]
[PlyCount "69"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. 0-0 Nbd7 7. Re1 c5 8. e3 Rb8 9. a4 b6 10. Rb1 Bb7 11. b4 Qc8 12. Ne2 Ne4 13. c3 Ndf6 14. Bb2 Nxf2 15. Kxf2 Ng4+ 16. Kg1 Nxe3 17. Qd3 Nxg2 18. Kxg2 g5 19. d5 e6 20. c4 g4 21. Ng5 f5 22. Nxe6 Qxe6 23. Nf4 Qd7 24. Bxg7 Kxg7 25. Ne6+ Kg8 26. Nxf8 Rxf8 27. b5 Qf7 28. Rf1 Bc8 29. Rbe1 Re8 30. Rxe8+ Qxe8 31. Rf2 h5 32. Re2 Qf7 33. Qe3 f4 34. Qe8+ Kg7 35. Re7 1-0

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.20"]
[Round "1.15"]
[White "Cardona, Gregorio"]
[Black "Restrepo Garces, Alejandro"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1682"]
[BlackElo "1600"]
[PlyCount "78"]
[EventDate "2011.04.20"]
[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 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 a6 5. g3 dxc4 6. a4 e6 7. Bg2 Bb4 8. 0-0 0-0 9. Ne5 Nd5 10. Na2 Be7 11. Nxc4 c5 12. e4 Nf6 13. d5 exd5 14. exd5 Ne8 15. Qb3 Nd6 16. Nb6 Ra7 17. Re1 Nd7 18. a5 Nxb6 19. axb6 Ra8 20. Bf4 Re8 21. Rac1 c4 22. Qb4 a5 23. Qd2 Bf5 24. Bxd6 Qxd6 25. Rxc4 Qxb6 26. Be4 Bd7 27. Rec1 Rac8 28. Rxc8 Bxc8 29. Nc3 h6 30. Bb1 Bg5 31. Qc2 Bxc1 32. Qxc1 Qf6 33. Kg2 Bg4 34. f4 Qd4 35. Qc2 g6 36. Qf2 Bh3+ 37. Kf3 Qc4 38. Ba2 Qc8 39. Ne4 Bg4+ 0-1

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2010.10.29"]
[Round "4.1"]
[White "Cardona, Gregorio"]
[Black "Echavarria, Gustavo"]
[Result "1/2-1/2"]
[ECO "A21"]
[BlackElo "1971"]
[PlyCount "16"]
[EventDate "2010.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. g3 Nf6 4. Bg2 c6 5. d3 Bc5 6. Nf3 Qe7 7. 0-0 0-0 8. e3 d6 1/2-1/2

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2010.10.29"]
[Round "2.1"]
[White "Cardona, Gregorio"]
[Black "Zuluaga, Miryam"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "65"]
[EventDate "2010.10.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 c6 4. e4 d5 5. e5 Ne4 6. Qc2 Nxc3 7. bxc3 Be7 8. d4 Nd7 9. Bd3 Nf8 10. h4 h6 11. h5 b6 12. a4 Ba6 13. Ba3 Bxc4 14. Bxc4 dxc4 15. Nd2 Bxa3 16. Rxa3 Qd5 17. Ne4 Ke7 18. f3 Nd7 19. Qf2 Raf8 20. Qh4+ f6 21. 0-0 c5 22. Nd6 cxd4 23. cxd4 Nxe5 24. Nf5+ exf5 25. Re3 Kf7 26. dxe5 fxe5 27. Rfe1 Qc5 28. Kh1 Re8 29. Qg3 Rhf8 30. Rxe5 Rxe5 31. Rxe5 Qc8 32. Qg6+ Kg8 33. Re7 1-0

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2010.10.29"]
[Round "5.1"]
[White "Paniagua, Fabio de Jesus"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1885"]
[PlyCount "81"]
[EventDate "2010.10.29"]
[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. c3 d5 4. e5 Nc6 5. d4 cxd4 6. cxd4 Bf5 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Rc8 10. Nc3 Nge7 11. Bg5 h6 12. Bd2 Nf5 13. Rac1 Be7 14. Ne2 Qb6 15. Bc3 0-0 16. Kh1 f6 17. g4 fxe5 18. gxf5 e4 19. Qe3 exf3 20. Qxe6+ Kh7 21. Ng3 Rcd8 22. Rce1 Rd6 23. Qe3 Bf6 24. Rd1 Rfd8 25. Nh5 Rf8 26. Rg1 Bg5 27. Qxf3 Ne7 28. Ng3 Rdf6 29. Rde1 Nxf5 30. Qxd5 Nh4 31. Ne4 Rf5 32. Nxg5+ hxg5 33. Re5 Qh6 34. Rxf5 Rxf5 35. Qe4 g6 36. Qxb7+ Kg8 37. Qc8+ Rf8 38. Qe6+ Kh7 39. Qe7+ Kg8 40. Qxg5 Qh7 41. Rg4 1-0

[Event "COL-ch Seniors"]
[Site "Medellin"]
[Date "2010.10.29"]
[Round "3.1"]
[White "Sanchez Ospina, William"]
[Black "Cardona, Gregorio"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "76"]
[EventDate "2010.10.29"]
[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 Nf6 2. Nf3 g6 3. e3 d5 4. Bd3 Bg7 5. 0-0 0-0 6. Ne5 Nbd7 7. f4 c5 8. c3 Qc7 9. Nd2 b6 10. Qe2 Bb7 11. Ndf3 Ne4 12. Bd2 c4 13. Bc2 b5 14. Rac1 a5 15. Nxd7 Qxd7 16. Ne5 Qc7 17. a4 bxa4 18. Bxa4 f6 19. Nf3 Rfb8 20. Rb1 Bc6 21. Bxc6 Qxc6 22. Bc1 a4 23. Nd2 Nxd2 24. Qxd2 a3 25. Qc2 Qa4 26. Qxa4 Rxa4 27. Rf2 Ra5 28. Re2 e5 29. Kf2 Rab5 30. Ke1 Rb3 31. Rc2 exd4 32. exd4 Bf8 33. Kf2 Bd6 34. g3 Bc7 35. Ke3 Ba5 36. Bd2 Rxb2 37. Rcxb2 Rxb2 38. Rxb2 axb2 0-1

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.07"]
[Round "7.21"]
[White "Cardona, Gregorio"]
[Black "Paez Pacheco, Anyelo"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1684"]
[PlyCount "35"]
[EventDate "2010.08.04"]
[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 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d6 8. Qc2 Nbd7 9. e4 c6 10. e5 dxe5 11. dxe5 Ng4 12. Re1 Qc7 13. Qe4 f5 14. exf6 Ngxf6 15. Qxe6+ Rf7 16. Ng5 Bc5 17. Qxf7+ Kh8 18. Ne6 1-0

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "3.23"]
[White "Botero, Jonathan"]
[Black "Cardona, Gregorio"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1600"]
[BlackElo "1684"]
[PlyCount "83"]
[EventDate "2010.08.04"]
[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. f4 Nc6 3. c3 d5 4. e5 e6 5. d4 cxd4 6. cxd4 Nh6 7. Nf3 Nf5 8. Bb5 Qa5+ 9. Nc3 Bb4 10. Bxc6+ bxc6 11. Qc2 Ba6 12. a3 0-0 13. g4 Ne7 14. Ng5 g6 15. h4 h6 16. Nf3 Kg7 17. h5 Rh8 18. hxg6 fxg6 19. Bd2 Rab8 20. Ne4 Bxd2+ 21. Nexd2 c5 22. dxc5 Rhc8 23. Nd4 Kf7 24. Rxh6 Rxc5 25. Qb1 Kg7 26. g5 Qb6 27. b4 Rc3 28. N2b3 Rxb3 29. Nxb3 Qe3+ 30. Kd1 Be2+ 31. Kc2 Bd3+ 32. Kb2 Qe2+ 33. Kc3 Bxb1 34. Rxb1 Qc4+ 35. Kb2 Nf5 36. Rc1 Qxf4 37. Rc7+ Kg8 38. Rxg6+ Kf8 39. Nc5 Qd4+ 40. Ka2 Qxe5 41. Nd7+ Kf7 42. Nxe5+ 1-0

[Event "Medellin Amateur 17th"]
[Site "Medellin"]
[Date "2010.08.05"]
[Round "2.36"]
[White "Cardona, Gregorio"]
[Black "Alvarez, Manuela"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1684"]
[BlackElo "1581"]
[PlyCount "65"]
[EventDate "2010.08.04"]
[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. Nc3 Nf6 3. Nf3 d6 4. g3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. e3 Be6 8. b3 0-0 9. d4 cxd4 10. exd4 exd4 11. Nxd4 Bd7 12. Ndb5 Ne5 13. Nxd6 Bg4 14. Nxb7 Qxd1 15. Nxd1 Nf3+ 16. Kh1 Rab8 17. Ne3 Bh5 18. Na5 Rfc8 19. g4 Nxg4 20. Bxf3 Nxe3 21. fxe3 Bxf3+ 22. Rxf3 Bb4 23. Rf5 g6 24. Rd5 Rb6 25. c5 Rb5 26. Nc4 Bc3 27. Rb1 Rcxc5 28. Rd8+ Kg7 29. Nd6 Ba5 30. Rd7 Rb6 31. Bb2+ Kh6 32. Nxf7+ Kh5 33. Bd4 1-0

