[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "9"]
[White "Medina, Alfonso"]
[Black "Alvarez, Nelson"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "1773"]
[PlyCount "125"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. e5 dxe5 5. dxe5 Qxd1+ 6. Nxd1 Nd5 7. Bc4 Nb4 8. Ne3 Bh6 9. Nd5 Nxd5 10. Bxh6 Nb4 11. 0-0-0 Bf5 12. Bb3 Nd7 13. a3 Nc6 14. Nf3 Bg4 15. Rhe1 0-0-0 16. e6 fxe6 17. Bxe6 Bxe6 18. Rxe6 Nf6 19. Rde1 Rhg8 20. Bg5 Rd6 21. Bxf6 Rxe6 22. Rxe6 Kd7 23. Rxc6 bxc6 24. Bd4 a6 25. c4 h6 26. Ne5+ Ke6 27. Nxc6 Kd6 28. Nb4 c5 29. Be3 cxb4 30. axb4 g5 31. Kc2 e5 32. Kb3 Kc6 33. Ka4 e4 34. b5+ axb5+ 35. cxb5+ Kb7 36. Kb4 Rc8 37. Bc5 h5 38. Kc4 g4 39. Kd4 h4 40. b4 Re8 41. Ke3 h3 42. g3 Kc7 43. Kf4 Rg8 44. Kxe4 Kd7 45. Kf5 Rg7 46. Be3 Kd6 47. Bg5 Rf7+ 48. Kxg4 Rxf2 49. Kxh3 Rb2 50. b6 Rxb4 51. Bd8 Kd7 52. Bc7 Re4 53. g4 Re8 54. Kg3 Re3+ 55. Kf4 Rh3 56. Kf5 Rf3+ 57. Kg6 Rf8 58. Kg7 Rf2 59. g5 Rg2 60. g6 Re2 61. Kh7 Re7+ 62. g7 Ke6 63. b7 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.08"]
[Round "8"]
[White "Velez Alvarez, Laura Camila"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "1845"]
[PlyCount "85"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 Be7 7. c3 0-0 8. h3 b5 9. Bb3 Bb7 10. d3 Na5 11. Bc2 c5 12. Nbd2 Nc6 13. Nf1 a5 14. Ng3 b4 15. Nf5 Bc8 16. Ng3 Be6 17. Ng5 h6 18. Nf3 Qb6 19. Be3 bxc3 20. bxc3 Qb2 21. Qd2 Rfb8 22. Nf5 Bxf5 23. exf5 Kh7 24. g4 Nd5 25. Bxh6 gxh6 26. d4 Ndb4 27. cxb4 Nxb4 28. f6+ Qxc2 29. fxe7 Qxd2 30. Nxd2 Nc2 31. dxc5 Nxa1 32. cxd6 Nc2 33. Rxe5 Nd4 34. d7 Ne6 35. Rd5 Kg7 36. Ne4 Re8 37. dxe8Q Rxe8 38. Rd7 Nf8 39. Nd6 Nxd7 40. Nxe8+ Kg6 41. Nd6 Nf6 42. e8Q Nxe8 43. Nxe8 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.07"]
[Round "7"]
[White "Medina, Alfonso"]
[Black "Santoyo Silva, Sergio Julian"]
[Result "1/2-1/2"]
[ECO "B92"]
[BlackElo "1879"]
[PlyCount "65"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5 Bxd5 9. exd5 Be7 10. Be2 0-0 11. 0-0 b5 12. a4 b4 13. a5 Nbd7 14. Qd2 Qc7 15. f4 Ne4 16. Qd3 f5 17. g4 Nec5 18. Nxc5 Nxc5 19. Qc4 exf4 20. Bxc5 Qxc5+ 21. Qxc5 dxc5 22. Rxf4 fxg4 23. Rxf8+ Kxf8 24. Bxg4 Rd8 25. Rd1 Rd6 26. Be6 Bf6 27. Rf1 Ke7 28. b3 Rd8 29. Rd1 Bd4+ 30. Kg2 Rf8 31. Rf1 Rxf1 32. Kxf1 Kd6 33. Ke2 1/2-1/2

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "4"]
[White "Martinez Baquero, Hugo Esteban"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1944"]
[PlyCount "23"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 dxc4 4. d5 Nb8 5. e4 g6 6. Bxc4 e6 7. Nc3 exd5 8. Nxd5 Bg7 9. Bg5 f6 10. Bf4 Bd7 11. Nxc7+ Kf8 12. Ne6+ 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Medina, Alfonso"]
[Black "Reyes, Riscanevo"]
[Result "1-0"]
[ECO "B42"]
[BlackElo "1791"]
[PlyCount "57"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bd3 b5 8. a3 Bb7 9. 0-0 Nbd7 10. b4 Rc8 11. Qd2 g6 12. f3 Bg7 13. a4 Qc7 14. Ncxb5 axb5 15. Nxb5 Qc6 16. Na7 Qc3 17. Nxc8 Qxc8 18. a5 0-0 19. a6 Ba8 20. c4 Ne5 21. Rfc1 Nxd3 22. Qxd3 Qd7 23. b5 d5 24. c5 dxe4 25. Qxd7 Nxd7 26. c6 Bxa1 27. cxd7 Bf6 28. Rc8 Bd5 29. b6 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Medina, Alfonso"]
[Black "Crespo Hidalgo, Carlos"]
[Result "0-1"]
[ECO "B18"]
[BlackElo "2113"]
[PlyCount "96"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8. Bf4 Ngf6 9. Ne5 Nd5 10. Bxd5 cxd5 11. 0-0 Be7 12. Qe2 Nxe5 13. dxe5 0-0 14. Rfd1 Rc8 15. c3 Qc7 16. Rac1 Qc4 17. Qxc4 Rxc4 18. Rd4 Rfc8 19. Be3 a5 20. Rxc4 Rxc4 21. b3 Rc8 22. Ne2 Ba3 23. Rd1 h6 24. Bb6 Bh5 25. f3 a4 26. b4 Bg6 27. Bc5 Bb2 28. Bd4 a3 29. Kf2 Bc2 30. Rd2 Bb1 31. c4 Bxd4+ 32. Nxd4 dxc4 33. Nb5 c3 34. Rd1 c2 35. Rc1 Rc4 36. Ke3 Bxa2 37. Kd2 Bb1 38. Nxa3 Rxb4 39. Nxc2 Rb2 40. Kc3 Rxc2+ 41. Rxc2 Bxc2 42. Kxc2 f6 43. f4 fxe5 44. fxe5 Kf7 45. Kd3 Kg6 46. g4 Kg5 47. h3 Kf4 48. Kd4 g5 0-1

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.04"]
[Round "1"]
[White "Sabogal Varela, Jeison Stiven"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1921"]
[PlyCount "86"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Be6 6. Nf3 Nc6 7. 0-0 Bc5 8. d3 0-0 9. a3 Qd7 10. Nxd5 Bxd5 11. b4 Bxf3 12. Bxf3 Be7 13. Bb2 Bf6 14. Qc2 Nd8 15. Be4 g6 16. f4 Re8 17. Rf3 c6 18. Raf1 Ne6 19. e3 Bg7 20. f5 Ng5 21. R3f2 Nh3+ 22. Kg2 Nxf2 23. Rxf2 Qd6 24. Qb3 Re7 25. a4 Rc8 26. Ba3 Rec7 27. g4 Bf8 28. g5 a5 29. fxg6 hxg6 30. Rf6 Qd7 31. Bxg6 Qd5+ 32. Qxd5 cxd5 33. Bf5 axb4 34. Bxc8 Rxc8 35. Bxb4 Bxb4 36. Rb6 Bc5 37. Rxb7 Bxe3 38. Kf3 Bxg5 39. a5 Rc5 40. a6 Ra5 41. a7 Kg7 42. Kg4 Be3 43. Re7 Kf6 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "9"]
[White "Aguilera, Gustavo"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "114"]
[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. e4 Nc6 4. Nf3 Bc5 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 Nc6 8. Qd1 h6 9. Be2 0-0 10. Bf4 d6 11. 0-0 Re8 12. f3 Be6 13. a3 a5 14. Nd5 Ne5 15. Qb3 Rb8 16. Rfd1 Ng6 17. Be3 Nd7 18. Ba7 Nc5 19. Bxc5 dxc5 20. Nf4 Qf6 21. Nd5 Bxd5 22. Rxd5 c6 23. Rd7 b6 24. Rad1 Ne5 25. R7d6 Re6 26. R6d2 Ng6 27. g3 Nf8 28. Kg2 Qe7 29. Qe3 f5 30. Bd3 Rd8 31. Qf4 fxe4 32. Bxe4 Rxd2+ 33. Rxd2 Kh8 34. Qb8 b5 35. cxb5 cxb5 36. Qxb5 Rxe4 37. fxe4 Qxe4+ 38. Kf2 Qf5+ 39. Kg1 Ne6 40. Rf2 Qg4 41. Qxa5 Ng5 42. Rf8+ Kh7 43. Qc3 Qd1+ 44. Rf1 Nh3+ 45. Kg2 Qe2+ 46. Kxh3 Qxf1+ 47. Kg4 Qd1+ 48. Kf4 Qf1+ 49. Qf3 Qc1+ 50. Qe3 Qxb2 51. h4 Qf6+ 52. Kg4 Qg6+ 53. Kh3 Qc2 54. g4 c4 55. Kg3 c3 56. Kf3 Qd1+ 57. Ke4 c2 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "10"]
[White "Medina, Alfonso"]
[Black "Pena Mora, Carlos"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1695"]
[PlyCount "59"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Bg5 Be7 9. Qd2 Nbd7 10. Be2 Rc8 11. 0-0 0-0 12. Rac1 b5 13. Bxf6 Nxf6 14. Kh1 Qb6 15. Rfd1 Bc4 16. Nd5 Nxd5 17. exd5 h6 18. Qe1 Bg5 19. Rb1 Qe3 20. Bxc4 bxc4 21. Qxe3 Bxe3 22. Na5 Bb6 23. c3 Ba7 24. Nc6 Rc7 25. g4 f5 26. h3 fxg4 27. hxg4 Rxf3 28. Kg2 Rf4 29. Rf1 Rxg4+ 30. Kh3 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.10"]
[Round "8"]
[White "Medina, Alfonso"]
[Black "Parodi, Lucas"]
[Result "1/2-1/2"]
[ECO "C50"]
[BlackElo "1719"]
[PlyCount "138"]
[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 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 h6 5. d4 Nf6 6. dxe5 Nxe4 7. Qd5 Be6 8. Qxe4 d5 9. Bxd5 Bxd5 10. Qe2 Qd7 11. Nc3 Bb4 12. Bd2 Be6 13. Ne4 Qe7 14. c3 Ba5 15. Qb5 Bb6 16. a4 0-0 17. a5 a6 18. Qa4 Nxa5 19. 0-0 Rad8 20. Rfd1 Bb3 21. Qa3 Qxa3 22. bxa3 Bxd1 23. Rxd1 Rfe8 24. Re1 Nc4 25. a4 Kh8 26. Bf4 Nb2 27. Rb1 Nxa4 28. Rb4 Nc5 29. Nxc5 Bxc5 30. Rxb7 Rd1+ 31. Kh2 Bb6 32. g4 Rd3 33. Nd2 Rxc3 34. Ne4 Rc4 35. f3 Re7 36. g5 Rxe4 37. fxe4 hxg5 38. Bg3 Rd7 39. Rb8+ Kh7 40. Re8 a5 41. Be1 a4 42. e6 fxe6 43. Rxe6 a3 44. Bc3 Bd4 45. Bxd4 Rxd4 46. Ra6 Rxe4 47. Rxa3 c5 48. Rc3 c4 49. Kg3 Kh6 50. Kf3 Rd4 51. Kg2 Kh5 52. Ra3 Rd3 53. Ra7 c3 54. Kf2 c2 55. Rc7 Rd2+ 56. Ke3 Rh2 57. Kf3 Kg6 58. Kg3 Rd2 59. Rc5 Kh5 60. Rc7 Rd3+ 61. Kg2 Rd2+ 62. Kg3 Rd3+ 63. Kg2 Kh4 64. Rxc2 Rg3+ 65. Kf2 Rxh3 66. Rc8 Rb3 67. Rg8 Rb7 68. Kg2 g4 69. Rh8+ Kg5 1/2-1/2

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.09"]
[Round "7"]
[White "Gomez Calderon, Valentina"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1823"]
[PlyCount "71"]
[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. Bg5 c6 5. e3 Be7 6. Nf3 0-0 7. cxd5 exd5 8. Bd3 Nbd7 9. 0-0 h6 10. Bh4 Ne4 11. Nxe4 dxe4 12. Bxe4 Bxh4 13. Bc2 Bf6 14. Qd3 g6 15. e4 Nb6 16. h3 Be6 17. b3 Rc8 18. Rad1 Bg7 19. g4 Qe7 20. Rfe1 Rfd8 21. e5 Bd5 22. Nh2 Qg5 23. Qg3 Qe7 24. f4 Qc7 25. f5 g5 26. f6 Bxf6 27. Qd3 Bg7 28. Qh7+ Kf8 29. Bf5 Qe7 30. Nf1 Be6 31. Ng3 Qb4 32. Bxe6 fxe6 33. Rf1+ Ke8 34. Qxg7 Rc7 35. Qxc7 Rd7 36. Qb8+ 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "6"]
[White "Medina, Alfonso"]
[Black "Nope, Viviana"]
[Result "1/2-1/2"]
[ECO "B72"]
[BlackElo "1508"]
[PlyCount "88"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Be3 Re8 9. f3 Nc6 10. Nd5 Nxd4 11. Nxf6+ Bxf6 12. Bxd4 e5 13. Be3 Be6 14. Bd5 Bxd5 15. Qxd5 b6 16. Rfd1 Re6 17. Qb3 Bg5 18. Bxg5 Qxg5 19. Rd3 Rd8 20. Rad1 h5 21. Qa4 Qe7 22. Ra3 Qc7 23. Rc3 Qb7 24. Qc6 Qxc6 25. Rxc6 Kf8 26. Kf2 Ke8 27. Rc7 Rd7 28. Rxd7 Kxd7 29. Ke3 f5 30. h4 fxe4 31. fxe4 Rf6 32. b4 Rf4 33. g3 Rg4 34. Kf3 g5 35. hxg5 Rxg5 36. Rh1 Kc6 37. c4 a5 38. Rb1 axb4 39. Rxb4 Kc5 40. Rb5+ Kxc4 41. Rxb6 d5 42. exd5 Kxd5 43. Rb5+ Ke6 44. Rb6+ Kf5 1/2-1/2

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "3"]
[White "Medina, Alfonso"]
[Black "Moreno Lozano, David"]
[Result "0-1"]
[ECO "B32"]
[BlackElo "1936"]
[PlyCount "58"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd3 Qg6 9. Nc3 Nge7 10. Nd5 0-0 11. Be3 Nxd5 12. exd5 Qxd3 13. Bxd3 Nb4 14. 0-0-0 Nxa2+ 15. Kb1 Nb4 16. Bxh7+ Kxh7 17. Bc5 Re8 18. Bxb4 a5 19. Bc3 b5 20. Rhe1 d6 21. b3 Bf5 22. f3 Rec8 23. g4 Bg6 24. h4 Rxc3 25. Rd2 Kg8 26. h5 Bh7 27. Rf1 Rac8 28. Rff2 Rxb3+ 29. Ka2 Rbc3 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.06"]
[Round "2"]
[White "Cruz Cruz, Samuel"]
[Black "Medina, Alfonso"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "1968"]
[PlyCount "127"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. Re1 Na5 8. h3 Nxb3 9. axb3 Bb7 10. d3 Be7 11. Bg5 0-0 12. Nbd2 Nh5 13. Be3 Nf6 14. Nf1 Re8 15. Ng3 Bf8 16. Qd2 d5 17. Bg5 dxe4 18. Bxf6 Qxf6 19. Nxe4 Bxe4 20. Rxe4 Qd6 21. Rae1 f6 22. d4 Red8 23. Qe2 exd4 24. Rxd4 Qc6 25. Qd3 Rd6 26. c3 Rad8 27. Ree4 Qb6 28. Rh4 g6 29. b4 a5 30. Qe2 Rxd4 31. Rxd4 Rxd4 32. Nxd4 axb4 33. Nxb5 bxc3 34. bxc3 Kg7 35. Qe8 Qc5 36. Nd4 Qd6 37. Qe6 c5 38. Qxd6 Bxd6 39. Nb5 Be5 40. Kf1 c4 41. Ke2 Kf7 42. g3 g5 43. Kd2 Ke6 44. Na3 Kd5 45. Nb1 Ke4 46. Ke2 h5 47. f3+ Kd5 48. g4 h4 49. Kd2 Bd6 50. Kc2 Bf4 51. Na3 Be5 52. Nb1 Kc5 53. Nd2 Bd6 54. Nb1 Kd5 55. Nd2 Bc5 56. Nb1 Ke5 57. Kd2 Kf4 58. Ke2 Bd6 59. Nd2 Kg3 60. Ne4+ Kxh3 61. Nxd6 Kg2 62. Ne4 h3 63. Nf2 h2 64. Ke3 1/2-1/2

[Event "South Region-ch U16"]
[Site "Cali"]
[Date "2011.04.05"]
[Round "3.1"]
[White "Gil, Miguel1111"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1822"]
[PlyCount "42"]
[EventDate "2011.04.05"]
[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. 0-0 d6 6. a3 a5 7. Ng5 0-0 8. d3 h6 9. Nf3 Be6 10. Bxe6 fxe6 11. Nh4 Nxe4 12. Ng6 Nxf2 13. Qe2 Nh3+ 14. Kh1 Rxf1+ 15. Qxf1 Nf2+ 16. Kg1 Nxd3+ 17. Kh1 Nxc1 18. Qxc1 Qf6 19. Nxe5 Nxe5 20. b4 Nd3 21. Qc2 Qf1# 0-1

[Event "South Region-ch U16"]
[Site "Cali"]
[Date "2011.04.05"]
[Round "4.1"]
[White "Medina, Alfonso"]
[Black "Florez, Luis Angel"]
[Result "0-1"]
[ECO "B18"]
[BlackElo "1911"]
[PlyCount "76"]
[EventDate "2011.04.05"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 e6 8. h4 Ngf6 9. h5 Bxd3 10. Qxd3 h6 11. Ne5 Nxe5 12. dxe5 Qa5+ 13. c3 Qxe5+ 14. Qe2 Qxe2+ 15. Kxe2 Bc5 16. Rd1 Ke7 17. Bf4 Rhd8 18. Bc7 Rxd1 19. Rxd1 Nd5 20. Be5 f6 21. Bd4 Bxd4 22. Rxd4 Rd8 23. f4 Kf7 24. c4 c5 25. Re4 f5 26. Re5 Nxf4+ 27. Kf3 Nd3 28. Re2 Kf6 29. b3 e5 30. Nf1 Nf4 31. Rc2 Nxh5 32. g3 f4 33. g4 Ng3 34. Rd2 Rxd2 35. Nxd2 g5 36. a3 e4+ 37. Kg2 Ke5 38. b4 h5 0-1

[Event "South Region-ch U16"]
[Site "Cali"]
[Date "2011.04.05"]
[Round "7.1"]
[White "Medina, Alfonso"]
[Black "Medina Ocampo, Andres Felipe"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "41"]
[EventDate "2011.04.05"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Bc4 0-0 9. 0-0 Qb6 10. Bb3 Nxe4 11. Na4 Qb4 12. a3 Qa5 13. fxe4 Ne5 14. Qd2 Qc7 15. Nc3 Ng4 16. Nde2 d5 17. Bf4 e5 18. Nxd5 Qc5+ 19. Be3 Nxe3 20. Qxe3 Qd6 21. Rad1 1-0

[Event "South Region-ch U16"]
[Site "Cali"]
[Date "2011.04.05"]
[Round "2.1"]
[White "Medina, Alfonso"]
[Black "Villamil, Nahum Jose"]
[Result "0-1"]
[ECO "B73"]
[BlackElo "1848"]
[PlyCount "24"]
[EventDate "2011.04.05"]
[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 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. Qd2 Bd7 10. Bh6 Nxd4 11. Bxg7 Nxe2+ 12. Qxe2 Kxg7 0-1

[Event "South Region-ch U16"]
[Site "Cali"]
[Date "2011.04.05"]
[Round "6.1"]
[White "Zuleta, Juan Esteban"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1858"]
[PlyCount "83"]
[EventDate "2011.04.05"]
[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. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 Be6 7. 0-0-0 Qd7 8. h3 Ne5 9. f4 Nc4 10. Bxc4 Bxc4 11. e5 dxe5 12. Qxe5+ Qe7 13. Qd4 Be6 14. Nf3 Qc5 15. Rhe1 Qxd4 16. Nxd4 0-0-0 17. Nxe6 fxe6 18. Rxe6 Bb4 19. Rde1 Rd7 20. a3 Bc5 21. Ne4 Nxe4 22. R6xe4 Rhd8 23. Bc3 Bf2 24. Rf1 Bd4 25. Bxd4 Rxd4 26. Rfe1 Rd2 27. R4e2 Rxe2 28. Rxe2 Rd4 29. g3 Kd7 30. Rd2 Rd6 31. Rxd6+ Kxd6 32. Kd2 Kd5 33. Kd3 b5 34. b3 a5 35. c4+ bxc4+ 36. bxc4+ Kc5 37. g4 Kd6 38. Kd4 c5+ 39. Ke4 g6 40. f5 a4 41. fxg6 hxg6 42. h4 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.30"]
[Round "7.1"]
[White "Medina, Alfonso"]
[Black "Medina Ocampo, Andres Felipe"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "92"]
[EventDate "2010.04.27"]
[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 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Bc4 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Qc1 Ng4 10. Nxc6 bxc6 11. Bd2 Bb7 12. h3 Ne5 13. Bd3 Qc7 14. Bh6 Rab8 15. Bxg7 Kxg7 16. Kh1 Nxd3 17. cxd3 Ba6 18. Nd1 c5 19. Ne3 h5 20. f4 e6 21. f5 e5 22. Qd2 Qb6 23. b3 Qb4 24. Qxb4 Rxb4 25. Nc4 Bxc4 26. bxc4 a5 27. g4 hxg4 28. hxg4 Rh8+ 29. Kg2 Rb2+ 30. Kg3 Rhh2 31. a4 Rhd2 32. Rfd1 Rxd1 33. Rxd1 Ra2 34. Rb1 gxf5 35. gxf5 Rxa4 36. Rb6 Rb4 37. Rxd6 a4 38. Kf3 a3 39. Ra6 Rb3 40. Ke3 f6 41. Kd2 Kf7 42. Kc2 Rb2+ 43. Kc3 Ra2 44. Ra5 Ra1 45. Kb3 Rd1 46. Kc2 Ra1 1/2-1/2

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "5.1"]
[White "Montillo, Sebastian"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "102"]
[EventDate "2010.04.27"]
[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. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Bxd5 Qxd5 11. Nb3 Bg4 12. 0-0 0-0-0 13. Qd3 Bxf3 14. Qxf3 Qxf3 15. gxf3 Nxd4 16. Nxd4 Rxd4 17. Rad1 Rxd1 18. Rxd1 Rd8 19. Rc1 Rd2 20. Rb1 Kd7 21. Kf1 a5 22. Ke1 Rc2 23. Rd1+ Ke6 24. Rb1 b5 25. Kd1 Rxf2 26. Rc1 Rf1+ 27. Kd2 Rxc1 28. Kxc1 Kf5 29. Kc2 Kf4 30. Kd3 c5 31. Ke2 f5 32. h4 c4 33. a3 b4 34. axb4 axb4 35. h5 g6 36. hxg6 hxg6 37. Kf2 c3 38. bxc3 bxc3 39. Ke1 Kxf3 40. Kd1 Ke3 41. Kc2 f4 42. Kxc3 f3 43. Kc2 f2 44. Kd1 f1Q+ 45. Kc2 Qd3+ 46. Kc1 Qd2+ 47. Kb1 g5 48. Ka1 g4 49. Kb1 g3 50. Ka1 g2 51. Kb1 g1R# 0-1

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "6.1"]
[White "Sanchez, Brayan Camilo"]
[Black "Medina, Alfonso"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "80"]
[EventDate "2010.04.27"]
[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 Nf6 5. Nc3 Bb4 6. Bg5 h6 7. Nxc6 Bxc3+ 8. bxc3 bxc6 9. Bxf6 Qxf6 10. Qd4 Qxd4 11. cxd4 0-0 12. Bc4 Rb8 13. Bb3 Rd8 14. 0-0 d5 15. f3 dxe4 16. fxe4 Rxd4 17. Rxf7 Kh7 18. Rxc7 Rxe4 19. Rxc6 Re2 20. Rf1 Bb7 21. Bc4 Rxg2+ 22. Kxg2 Bxc6+ 23. Kg3 Bb5 24. Bd3+ Bxd3 25. cxd3 Rb2 26. Rf2 Rb6 27. Kf4 Re6 28. d4 Rf6+ 29. Ke3 Rxf2 30. Kxf2 Kg8 31. Kf3 Kf7 32. d5 Ke7 33. Ke4 Kd6 34. Kf5 Kxd5 35. Kg6 Kc4 36. Kxg7 h5 37. h4 Kd5 38. Kg6 Ke6 39. Kxh5 Kf5 40. Kh6 Kf6 1/2-1/2

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.28"]
[Round "3.1"]
[White "Dominguez, Oscar Alberto"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1892"]
[PlyCount "59"]
[EventDate "2010.04.27"]
[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 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 Nbd7 7. 0-0 Ne5 8. Bb3 0-0 9. f4 Ng6 10. h3 c5 11. Nf3 Bd7 12. f5 Ne5 13. Bf4 Nxf3+ 14. Qxf3 Bc6 15. Rad1 Qb6 16. Kh2 Rad8 17. Rd2 Nd7 18. Qg3 Ne5 19. Rfd1 Qc7 20. Bd5 Kh8 21. Bxc6 bxc6 22. Bxe5 dxe5 23. Rxd8 Rxd8 24. Rxd8+ Qxd8 25. Qd3 Qd4 26. Qa6 Qd7 27. Qd3 Qd4 28. Ne2 Qxb2 29. Qd7 Bf8 30. Qxf7 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.28"]
[Round "4.1"]
[White "Medina, Alfonso"]
[Black "Florez, Luis Angel"]
[Result "0-1"]
[ECO "E21"]
[BlackElo "1911"]
[PlyCount "85"]
[EventDate "2010.04.27"]
[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 e6 3. c4 b6 4. Nc3 Bb4 5. Bd2 Bb7 6. e3 c6 7. Bd3 d5 8. Qc2 Nbd7 9. a3 Be7 10. b4 dxc4 11. Bxc4 b5 12. Bd3 h6 13. Ne4 Rc8 14. Nc5 Nxc5 15. dxc5 0-0 16. 0-0 Qd7 17. Rfd1 Rfd8 18. Ne5 Qc7 19. Bc3 Nd5 20. Bh7+ Kf8 21. Nxf7 Nxc3 22. Nxd8 Rxd8 23. Rxd8+ Qxd8 24. Qxc3 Bf6 25. Qc1 Bxa1 26. Qxa1 Qf6 27. Qxf6+ gxf6 28. Be4 Ke7 29. g4 e5 30. Bf5 Kd8 31. Kg2 Bc8 32. Bxc8 Kxc8 33. Kh3 Kd7 34. Kh4 Ke6 35. e4 Kf7 36. Kh5 Kg7 37. h4 a6 38. g5 hxg5 39. hxg5 Kf7 40. gxf6 Kxf6 41. Kh6 Ke6 42. Kg6 Ke7 43. Kf5 0-1

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.27"]
[Round "1.1"]
[White "Sanahuano, Gabriel Andres"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "80"]
[EventDate "2010.04.27"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. g4 Bg6 6. h4 h6 7. f4 c5 8. Ngf3 Nc6 9. Nb3 Be4 10. Be3 cxd4 11. Nbxd4 Nge7 12. Bd3 Bxd3 13. Qxd3 Nxd4 14. Nxd4 a6 15. f5 Qa5+ 16. Bd2 Qb6 17. fxe6 fxe6 18. 0-0-0 0-0-0 19. Be3 Kb8 20. Rhf1 Rc8 21. Rf7 Qa5 22. Nxe6 Qxa2 23. Nxf8 d4 24. Bxd4 Qxf7 25. Nd7+ Ka8 26. Nb6+ Kb8 27. Nxc8 Rxc8 28. Rf1 Qa2 29. Bc3 Nd5 30. Rf5 Nxc3 31. bxc3 Qa1+ 32. Kd2 Qa5 33. e6 Qc7 34. Rf7 Qh2+ 35. Kc1 Qg1+ 36. Rf1 Qxg4 37. e7 Qxh4 38. Qd7 Qg5+ 39. Kb2 Qe5 40. Rf3 g5 0-1

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.30"]
[Round "8.15"]
[White "Marquez, Luis Anderson"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1500"]
[PlyCount "22"]
[EventDate "2009.12.26"]
[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. Nc3 Bc5 4. Nf3 Nc6 5. Bd5 0-0 6. h3 h6 7. Be6 Nd4 8. Nxd4 Bxd4 9. Rb1 c6 10. f3 a6 11. g4 g5 0-1

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.29"]
[Round "7.13"]
[White "Gonzalez, Santiago1111"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "D30"]
[BlackElo "1500"]
[PlyCount "55"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Nc6 4. e3 e6 5. c4 dxc4 6. Bxc4 Bd6 7. Bg5 0-0 8. 0-0 Be7 9. Nc3 h6 10. Bh4 Nd5 11. Bxe7 Ncxe7 12. e4 Nxc3 13. bxc3 c6 14. Rb1 Re8 15. Nd2 Ng6 16. f4 b5 17. Bd3 f5 18. e5 a6 19. Nb3 Qd5 20. Qh5 Kh7 21. g4 Qd7 22. Nc5 Qf7 23. gxf5 exf5 24. Rbe1 Qxa2 25. Bxf5 Qf7 26. e6 Qf8 27. Bxg6+ Kh8 28. Bxe8 1-0

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.29"]
[Round "6.7"]
[White "Medina, Alfonso"]
[Black "Valencia, Cristian Johan"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "1500"]
[BlackElo "1995"]
[PlyCount "74"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Bxf6 Qxf6 8. Nd5 Qd8 9. Nf3 Nc6 10. Be2 Ne7 11. c4 Nxd5 12. cxd5 Bd7 13. 0-0 Be7 14. Rc1 Rc8 15. Rxc8 Qxc8 16. Qc1 0-0 17. h3 Qd8 18. Qc3 Qb6 19. Rc1 Rc8 20. Qd2 Rxc1+ 21. Qxc1 Bd8 22. a3 h6 23. b4 Qa7 24. Nd2 Bb6 25. Qf1 Bd4 26. Kh1 b5 27. Nb1 Bxf2 28. Nc3 Bd4 29. Qe1 Qc7 30. Nb1 Qc2 31. Qd1 Qxe4 32. Bf3 Qh4 33. Bg4 Bxg4 34. Qxg4 Qe1+ 35. Kh2 Bg1+ 36. Kh1 Bf2+ 37. Kh2 Qg1# 0-1

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.28"]
[Round "5.14"]
[White "Medina, Alfonso"]
[Black "Martinez, Cristian Camilo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1500"]
[BlackElo "1303"]
[PlyCount "83"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. Bg5 0-0 7. h3 h6 8. Bh4 Be6 9. Bb3 Qe7 10. Nc3 Rad8 11. Nd5 Bxd5 12. Bxd5 Qd7 13. Bxf6 gxf6 14. c3 Kh7 15. Nh4 Rg8 16. Qf3 Rg7 17. Bxc6 Qxc6 18. Qxf6 Qe8 19. a4 Qe6 20. Qxe6 fxe6 21. b4 Rf8 22. bxc5 dxc5 23. Rad1 Kg8 24. d4 exd4 25. cxd4 cxd4 26. Rxd4 e5 27. Rc4 Rf4 28. Nf5 Rh7 29. g3 Rf3 30. Rfc1 Ra3 31. Rxc7 Rxc7 32. Rxc7 Rxa4 33. Rxb7 Rxe4 34. Rxa7 Re1+ 35. Kg2 e4 36. Nxh6+ Kf8 37. Ra3 Kg7 38. Ng4 Kg6 39. Re3 Rxe3 40. Nxe3 Kf6 41. f3 exf3+ 42. Kxf3 1-0

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.28"]
[Round "4.12"]
[White "Torres, Richard"]
[Black "Medina, Alfonso"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "1500"]
[PlyCount "67"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8. 0-0-0 0-0 9. e5 dxe5 10. Qxe5 Qe8 11. Bxf6 Bxf6 12. Qxc7 Qe7 13. Qxe7 Bxe7 14. Bc4 Be6 15. Bxe6 fxe6 16. Rhf1 Rac8 17. a3 a6 18. Ne4 b5 19. f3 a5 20. Rd7 Bf6 21. Nxf6+ gxf6 22. Rfd1 Rb8 23. Ra7 Ra8 24. Rxa8 Rxa8 25. Rd6 b4 26. Rxe6 Kf7 27. Rb6 bxa3 28. bxa3 Re8 29. Kd2 Re5 30. Rb3 Rg5 31. g3 Rh5 32. h4 Rd5+ 33. Rd3 Rc5 34. Rd5 1/2-1/2

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.27"]
[Round "3.14"]
[White "Medina, Alfonso"]
[Black "Munoz, Camilo1111"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1500"]
[PlyCount "114"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. 0-0 0-0 8. Na4 a6 9. Nxc5 dxc5 10. a3 b5 11. Bb3 c4 12. dxc4 Qxd1 13. Rxd1 Nxe4 14. cxb5 Na5 15. bxa6 Nxb3 16. cxb3 Rxa6 17. Nxe5 Re8 18. Bf4 Nc5 19. b4 Nb3 20. Rab1 Bf5 21. Nd3 Rae6 22. g4 Bg6 23. Bxc7 R8e7 24. Bg3 Ra6 25. h4 Raa7 26. h5 Bh7 27. f4 Nd4 28. Bf2 Ne2+ 29. Kf1 Ra8 30. f5 g6 31. hxg6 fxg6 32. Re1 Rae8 33. fxg6 Bxg6 34. Rbd1 h5 35. Rd2 hxg4 36. Rexe2 Bxd3 37. Rxd3 Rxe2 38. Rb3 Rc2 39. Rg3 Rf8 40. Rxg4+ Kh7 41. Rg2 Rxb2 42. Ke1 Rb1+ 43. Kd2 Rb2+ 44. Kc3 Rfxf2 45. Rxf2 Rxf2 46. a4 Rf3+ 47. Kc4 Kg7 48. a5 Kf8 49. b5 Ke7 50. Kc5 Kd7 51. Kb6 Kc8 52. Ka7 Kc7 53. b6+ Kc6 54. b7 Rb3 55. b8Q Rxb8 56. Kxb8 Kb5 57. a6 Kxa6 1/2-1/2

[Event "Cali op-D 11th"]
[Site "Cali"]
[Date "2009.12.27"]
[Round "2.4"]
[White "Zuleta, Juan Carlos"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1849"]
[BlackElo "1500"]
[PlyCount "67"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. 0-0 d6 6. h3 0-0 7. d3 h6 8. Be3 Bxe3 9. fxe3 Na5 10. Bb3 Nxb3 11. axb3 Be6 12. d4 exd4 13. exd4 c6 14. Re1 Re8 15. Qd2 Bd7 16. d5 cxd5 17. exd5 Rc8 18. Rxe8+ Nxe8 19. Rxa7 Qb6+ 20. Qf2 Qxf2+ 21. Kxf2 Rb8 22. Nd4 Nc7 23. Nc6 bxc6 24. Rxc7 Bf5 25. dxc6 Bxc2 26. Rb7 Rc8 27. c7 Kf8 28. Rb8 Bf5 29. Nd5 Ke8 30. Nb6 g5 31. Nxc8 Bxc8 32. Rxc8+ Kd7 33. Rf8 Kxc7 34. Rxf7+ 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "6"]
[White "Londono Lopez, David"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "61"]
[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 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 d6 7. Bg5 Bg4 8. h3 Bh5 9. Nd5 Nd4 10. Nxf6+ gxf6 11. Bh6 Re8 12. Rb1 Qd7 13. g4 Bg6 14. Nxd4 Bxd4 15. c3 Bb6 16. Qf3 Qe7 17. h4 Kh8 18. h5 Bxh5 19. gxh5 Rg8+ 20. Kh1 f5 21. Qh3 Rg4 22. Bg7+ Kxg7 23. Rg1 Rxg1+ 24. Rxg1+ Kf8 25. exf5 Bxf2 26. Rf1 Qh4 27. Qxh4 Bxh4 28. d4 Bf6 29. dxe5 Bxe5 30. Bd5 c6 31. Bb3 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "5"]
[White "Medina, Alfonso"]
[Black "Hurtado, Wilson David"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1811"]
[PlyCount "52"]
[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 Nf6 3. Nc3 Bb4 4. d3 d6 5. Be2 h6 6. 0-0 c6 7. a3 Ba5 8. b4 Bc7 9. d4 0-0 10. dxe5 dxe5 11. Qxd8 Rxd8 12. Rd1 Rxd1+ 13. Bxd1 a5 14. Bb2 b5 15. h3 axb4 16. axb4 Rxa1 17. Bxa1 Na6 18. Na2 Nxe4 19. Bxe5 Bxe5 20. Nxe5 Be6 21. Bf3 Ng5 22. Nc1 Nxf3+ 23. gxf3 Nxb4 24. c3 Nd5 25. Nxc6 Nxc3 26. Kg2 Kf8 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "4"]
[White "Medina, Alfonso"]
[Black "Jaramillo Martinez, Daniel Aleja"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "96"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 g6 7. Qd2 Bg7 8. 0-0-0 0-0 9. h4 Nxd4 10. Bxd4 d6 11. f4 e6 12. Bxf6 Bxf6 13. Qxd6 Bxh4 14. Qxd8 Bxd8 15. g4 e5 16. f5 Bg5+ 17. Kb1 b5 18. a3 Bb7 19. Nd5 Bxd5 20. Rxd5 Rad8 21. Rxd8 Rxd8 22. Bd3 Rb8 23. b4 Bd2 24. Rd1 Bc3 25. Ka2 a5 26. Kb3 axb4 27. axb4 Bd4 28. c4 bxc4+ 29. Bxc4 Bc5 30. b5 gxf5 31. gxf5 Kg7 32. Rd5 Be3 33. Rxe5 f6 34. Re7+ Kh6 35. e5 fxe5 36. Rxe5 Bd4 37. Re4 Bf6 38. Rg4 Bg5 39. Kb4 Be7+ 40. Ka5 Bd8+ 41. Ka6 Rb6+ 42. Ka7 Rd6 43. Rg2 Rd7+ 44. Kb8 Bb6 45. Be6 Re7 46. Rd2 Kg5 47. Rd1 h5 48. Rf1 h4 1/2-1/2

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "3"]
[White "Moreno Bermudez, Jhon Jairo"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "95"]
[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. Nc3 Bc5 4. Nf3 Nc6 5. 0-0 d6 6. h3 0-0 7. d3 h6 8. Be3 Bxe3 9. fxe3 Na5 10. Bb3 Nxb3 11. axb3 c5 12. d4 cxd4 13. exd4 exd4 14. Qxd4 Be6 15. Rxa7 Rxa7 16. Qxa7 Qa8 17. Qxa8 Rxa8 18. e5 dxe5 19. Nxe5 Rd8 20. Rd1 Rxd1+ 21. Nxd1 Bf5 22. Ne3 Be4 23. c4 Kf8 24. N3g4 Nxg4 25. Nxg4 Ke7 26. Ne3 Kd6 27. b4 b6 28. Kf2 Bd3 29. Kf3 Ke5 30. c5 bxc5 31. bxc5 Ke6 32. h4 h5 33. Kf4 Kd7 34. Ke5 Kc6 35. Kd4 Ba6 36. g4 hxg4 37. Nxg4 f6 38. h5 Be2 39. h6 gxh6 40. Nxh6 Bf3 41. b4 Kb5 42. Kc3 Be4 43. Nf7 Bd5 44. Nd6+ Kc6 45. Kd4 Be6 46. b5+ Kc7 47. Ne8+ Kd8 48. Nxf6 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "2"]
[White "Medina, Alfonso"]
[Black "Escobar Sanchez, Esteban"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "45"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 d6 10. Bg5 Nd7 11. 0-0-0 f6 12. Be3 0-0 13. Rxd6 Ne7 14. Nd5 Nxd5 15. Rxd5 f5 16. exf5 Rxf5 17. Bc4 Kh8 18. f4 b5 19. Be2 g6 20. Bg4 Nf6 21. Rd8+ Kg7 22. Bxf5 gxf5 23. fxe5 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "1"]
[White "Valencia, David Fernando"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1834"]
[PlyCount "59"]
[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 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 exd4 7. cxd4 Bb6 8. d5 Ne7 9. e5 Ne8 10. d6 cxd6 11. exd6 Nf5 12. Bg5 Nf6 13. Nc3 h6 14. Bf4 Bc5 15. h3 g5 16. Bh2 a6 17. g4 Ng7 18. a4 Nge8 19. Re1 Qb6 20. Re2 Nxd6 21. a5 Qc7 22. Be5 Nfe8 23. Nd5 Qd8 24. Ba2 b6 25. axb6 Bxb6 26. Bxd6 Nxd6 27. Ne7+ Kh8 28. Qxd6 Bc7 29. Qf6+ Kh7 30. Bb1# 1-0

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "8"]
[White "Medina, Alfonso"]
[Black "Cardona, Juan Pablo"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "52"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Bd2 Qc7 7. Be2 Nf6 8. 0-0 e6 9. Ne5 Bxe2 10. Qxe2 Bd6 11. Rfe1 Nbd7 12. Rad1 c5 13. Nxd7 Nxd7 14. Nd5 Qc6 15. dxc5 Bxc5 16. Bc3 0-0-0 17. Nf4 Nf6 18. Rxd8+ Rxd8 19. Rd1 Rxd1+ 20. Qxd1 Ne4 21. Be1 Qc7 22. Ne2 Qb6 23. Qd3 Bxf2+ 24. Bxf2 Qxf2+ 25. Kh1 Qe1+ 26. Ng1 Nf2# 0-1

[Event "COL-ch U14"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "7"]
[White "Ocanpo Suarez, Jhonatan Steven"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "31"]
[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. d3 Nf6 5. Bg5 d6 6. h3 0-0 7. Nc3 Be6 8. Nd5 Bxd5 9. Bxd5 Nd4 10. Nxd4 exd4 11. 0-0 c6 12. Bb3 Re8 13. f4 Qc8 14. Bxf6 gxf6 15. Qh5 d5 16. exd5 1-0

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.29"]
[Round "7"]
[White "Medina, Alfonso"]
[Black "Cardona, Juan Camilo"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1428"]
[BlackElo "1989"]
[PlyCount "64"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 h6 7. Be2 Bc5 8. 0-0 0-0 9. a3 a5 10. h3 d6 11. Bd2 Be6 12. Bd3 Qe7 13. Qe2 Rac8 14. Be3 Rfd8 15. Rad1 Kh8 16. Bxc5 dxc5 17. Bb5 Nd4 18. Qd3 c4 19. Qe3 Qc5 20. Ba4 Nh5 21. Qc1 Nxf3+ 22. gxf3 Bxh3 23. Rfe1 Qe7 24. Rxd8+ Rxd8 25. Ne2 Qh4 26. Kh2 Bf1+ 27. Kg1 Rd6 28. Kxf1 Qh3+ 29. Kg1 Rg6+ 30. Ng3 Nxg3 31. fxg3 Qxg3+ 32. Kf1 Qg2# 0-1

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "6"]
[White "Medina, Alfonso"]
[Black "Mesa, Brenda Sofia"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1428"]
[BlackElo "1870"]
[PlyCount "95"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Be6 10. b4 Bb6 11. Nxb6 axb6 12. Bxe6 fxe6 13. 0-0 0-0 14. d4 Qe7 15. dxe5 dxe5 16. b5 Nb8 17. Nxe5 Rd8 18. Qb3 Nd7 19. Nxd7 Rxd7 20. Rad1 Rad8 21. h3 Kh8 22. Rxd7 Rxd7 23. Rd1 e5 24. Rxd7 Qxd7 25. Qd5 Qxd5 26. exd5 Kg8 27. f3 Kf7 28. Kf2 Ke7 29. Ke3 Kd6 30. Ke4 g6 31. g3 c5 32. bxc6 bxc6 33. dxc6 Kxc6 34. Kxe5 Kc5 35. g4 Kc4 36. f4 Kxc3 37. f5 gxf5 38. gxf5 b5 39. f6 b4 40. f7 Kb2 41. f8Q b3 42. axb3 Kxb3 43. Qc5 Kb2 44. Kd4 Kb3 45. Qc4+ Ka3 46. Qb5 Ka2 47. Kc3 Ka3 48. Qb3# 1-0

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.28"]
[Round "5"]
[White "Renteria Valencia, Helen Manuela"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1948"]
[BlackElo "1428"]
[PlyCount "62"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bd6 5. 0-0 Nf6 6. Re1 Bc5 7. e5 Ng4 8. Bxf7+ Kxf7 9. Ng5+ Ke8 10. Qxg4 d6 11. e6 Ne5 12. Qf5 Qe7 13. a3 a6 14. b4 Bb6 15. Ra2 c5 16. f4 Nc6 17. Qf7+ Qxf7 18. exf7+ Kd8 19. c3 dxc3 20. Nxc3 cxb4+ 21. Kh1 bxc3 22. Rae2 Bd7 23. Ne6+ Bxe6 24. Rxe6 Kd7 25. f5 Rhf8 26. Bf4 Bc7 27. Bg5 Rxf7 28. f6 Raf8 29. h3 gxf6 30. Bc1 Re7 31. Rxe7+ Nxe7 0-1

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "3"]
[White "Gonzalez, Andres Felipe"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1635"]
[BlackElo "1428"]
[PlyCount "101"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Nf6 5. d3 Bd7 6. Bg5 Be7 7. 0-0 0-0 8. Qd2 a6 9. Bc4 b5 10. Bd5 Nxd5 11. Nxd5 Bxg5 12. Qxg5 Qxg5 13. Nxg5 Rac8 14. c3 h6 15. Nf3 Rfe8 16. Nd2 Re6 17. f4 exf4 18. Rxf4 Rg6 19. Raf1 Bh3 20. Ne3 Rf8 21. R1f3 Be6 22. Nef1 d5 23. Rg3 Rxg3 24. Nxg3 dxe4 25. Ndxe4 Bxa2 26. Nh5 g6 27. Nef6+ Kh8 28. Ng3 Kg7 29. Nge4 Bb1 30. d4 Bxe4 31. Nxe4 f5 32. Nc5 Nb8 33. Ne6+ Kf7 34. Nxf8 Kxf8 35. g4 Kg7 36. gxf5 gxf5 37. Rxf5 Kg6 38. Rc5 c6 39. d5 cxd5 40. Rxd5 Kf6 41. Rd6+ Kg5 42. Rb6 Nd7 43. Rxa6 h5 44. Ra5 Kg4 45. Rxb5 h4 46. Rd5 Nf6 47. Rd6 Ne4 48. Rd4 Kf5 49. Rxe4 Kxe4 50. Kf2 Kd5 51. Kf3 1-0

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.27"]
[Round "4"]
[White "Medina, Alfonso"]
[Black "Ospina, Juan Camilo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1428"]
[BlackElo "1400"]
[PlyCount "97"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 Be6 7. 0-0 h6 8. Bxf6 Qxf6 9. h3 Qg6 10. Bxe6 fxe6 11. a3 0-0-0 12. b4 Bd4 13. Qd2 Rhf8 14. Nxd4 exd4 15. Ne2 e5 16. c3 Rf6 17. b5 dxc3 18. Qxc3 Nd4 19. Nxd4 exd4 20. Qxd4 Rf3 21. g3 Rdf8 22. Kg2 Qf7 23. Rac1 Qb3 24. Qxa7 Qxb5 25. Rb1 Qa6 26. Qxa6 bxa6 27. Rbd1 R3f6 28. d4 Rg6 29. h4 Rg4 30. e5 dxe5 31. dxe5 Re4 32. Rde1 Rxe1 33. Rxe1 Re8 34. f4 c5 35. Rc1 Kd7 36. Rxc5 Re6 37. Kf3 g6 38. g4 Rb6 39. Ra5 Rb3+ 40. Ke4 Rh3 41. Rxa6 Rxh4 42. Rxg6 h5 43. gxh5 Rxh5 44. a4 Rh3 45. a5 Ra3 46. a6 Ra4+ 47. Kf5 Ke7 48. Kg5 Kf7 49. Rb6 1-0

[Event "Cali op-D"]
[Site "Cali"]
[Date "2008.12.26"]
[Round "2"]
[White "Atehortua, Kevin Andres"]
[Black "Medina, Alfonso"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1400"]
[BlackElo "1428"]
[PlyCount "104"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. a3 Nd4 7. Nxd4 exd4 8. b4 dxc3 9. bxc5 Nxe4 10. dxc3 Nxc5 11. Be3 b6 12. Bxc5 bxc5 13. Bd3 d6 14. Qh5 g6 15. Qh6 Qf6 16. Qd2 Bf5 17. f4 c6 18. Rf3 d5 19. Re1 Rae8 20. Rfe3 Rxe3 21. Rxe3 d4 22. Re5 Bxd3 23. cxd3 Qd6 24. cxd4 Qxd4+ 25. Re3 Qxf4 26. Re2 Qd4+ 27. Qe3 Qa1+ 28. Kf2 Qxa3 29. d4 Qxe3+ 30. Rxe3 cxd4 31. Rd3 c5 32. Ke2 Rd8 33. Rd2 c4 34. Kd1 d3 35. Ra2 Rd7 36. Ra3 Rb7 37. Rc3 Rb2 38. Rxc4 Rxg2 39. h4 g5 40. Rc8+ Kg7 41. hxg5 Rxg5 42. Kd2 Rd5 43. Rc1 f5 44. Rg1+ Kf6 45. Rh1 a5 46. Rh6+ Ke5 47. Rxh7 Ke4 48. Re7+ Re5 49. Ra7 f4 50. Rc7 f3 51. Rc1 Kd4 52. Rc3 Re2+ 0-1

[Event "Cali qual"]
[Site "Cali"]
[Date "2008.05.02"]
[Round "3"]
[White "Medina, Alfonso"]
[Black "Restrepo Santa, Fabian"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "72"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Qe2+ Qe7 5. Qxe7+ Bxe7 6. Bb5+ Bd7 7. Bxd7+ Nxd7 8. 0-0 0-0-0 9. Nc3 Ngf6 10. Ng5 Rhf8 11. Nb5 a6 12. Na3 Bc5 13. Nh3 Rde8 14. b3 Re2 15. d3 Rfe8 16. Bb2 Bxa3 17. Bxa3 Rxc2 18. Rfc1 Ree2 19. Rxc2 Rxc2 20. Ng5 Ng4 21. Nh3 Nde5 22. d4 Nd3 23. f3 Ne3 24. Bf8 Rxg2+ 25. Kh1 Re2 26. Bxg7 Nc2 27. Ng1 Re6 28. Rd1 Nf2+ 29. Kg2 Nxd1 30. Bf8 Rg6+ 31. Kf1 Nce3+ 32. Ke2 Rxg1 33. a4 Rg2+ 34. Kd3 Rxh2 35. b4 Nc4 36. Bh6 Ncb2# 0-1

[Event "Cali qual"]
[Site "Cali"]
[Date "2008.05.02"]
[Round "2"]
[White "Vacca, Leonardo"]
[Black "Medina, Alfonso"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1913"]
[PlyCount "69"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nd4 9. Bxd5+ Kd7 10. Qe4 Qe8 11. 0-0 Kd8 12. Bxb7 Bxb7 13. Qxb7 Rc8 14. d3 Nxc2 15. Bg5+ Be7 16. Qd5+ Qd7 17. Bxe7+ Kxe7 18. Qxe5+ Kf8 19. Rac1 Qxd3 20. Rfd1 Qg6 21. Ne4 Nb4 22. Qc5+ Kf7 23. Ng5+ Kg8 24. Qxc7 Re8 25. Qc4+ Kf8 26. Qxb4+ Kg8 27. Qc4+ Kf8 28. Qc5+ Kg8 29. Qd5+ Kf8 30. Rc6 Qh5 31. Ne6+ Kf7 32. Qxh5+ g6 33. Rd7+ Re7 34. Qf3+ Ke8 35. Rd8# 1-0

