[Event "Bogota Grand Prix Parada Bima 3rd"]
[Site "Bogota"]
[Date "2019.11.02"]
[Round "6.4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Osorio Polania, Hugo"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1819"]
[BlackElo "2010"]
[PlyCount "116"]
[EventDate "2019.11.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2 e5 6. axb4 Bxb4 7. Na3 Nf6 8. Nb5 Na6 9. Rxa6 Qe4+ 10. Qe2 Qxe2+ 11. Bxe2 bxa6 12. Nc7+ Kd8 13. Nxa8 Bb7 14. Nf3 Bxa8 15. Nxe5 Ke7 16. Bxa6 Rb8 17. 0-0 Rb6 18. Bc4 Bd5 19. Bxd5 Nxd5 20. Bd4 Ra6 21. c3 f6 22. cxb4 fxe5 23. Bxe5 Nxb4 24. Bxg7 Kf7 25. Ra1 Kxg7 26. Rc1 Rc6 27. Ra1 a6 28. Kf1 Re6 29. f4 Kf6 30. Ra5 Nd3 31. g3 h6 32. Rh5 Ke7 33. Rd5 Re1+ 34. Kg2 Nb4 35. Rh5 Re6 36. Kf3 Rb6 37. Re5+ Kf7 38. h4 Nc6 39. Rh5 a5 40. Rxh6 Nd4+ 41. Ke4 Rxh6 42. Kxd4 Ra6 43. Kc4 a4 44. Kb5 a3 45. Kxa6 a2 46. Kb5 a1Q 47. Kc4 Qe1 48. Kd4 Qxg3 49. Ke4 Qxh4 50. d4 Ke7 51. Ke5 Qe1+ 52. Kd5 Kf6 53. Kc6 Qe4+ 54. d5 Kf5 55. Kc5 Qxf4 56. d6 Qc1+ 57. Kb6 Qc8 58. Ka7 Ke6 0-1

[Event "Bogota Grand Prix Parada Bima 3rd"]
[Site "Bogota"]
[Date "2019.11.02"]
[Round "3.3"]
[White "Montenegro, Juan Rolando"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2077"]
[BlackElo "1819"]
[PlyCount "75"]
[EventDate "2019.11.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 Nf6 3. e5 d4 4. Nce2 Nfd7 5. e6 Ne5 6. exf7+ Nxf7 7. Nf3 e5 8. Ng3 Qd5 9. Bd3 Be7 10. Qe2 0-0 11. Bc4 Qd6 12. Nxe5 Be6 13. Nxf7 Bxf7 14. Nf5 Qc5 15. Nxe7+ Kh8 16. Bxf7 Rxf7 17. Nd5 Nc6 18. Ne3 dxe3 19. dxe3 Re8 20. c3 Re6 21. 0-0 Rg6 22. e4 Qe7 23. f3 h5 24. Be3 h4 25. Rad1 h3 26. g3 Qh4 27. Rd5 Ne7 28. Rd7 Qh5 29. Qd1 Qb5 30. b3 Qa5 31. Rxe7 Rxe7 32. Qd8+ Kh7 33. Qxe7 Qxa2 34. Bf2 Rf6 35. Qd7 Rh6 36. Qf5+ Kh8 37. Rd1 Rf6 38. Rd8+ 1-0

[Event "Bogota Region-ch U16 Integrada"]
[Site "Tercer Piso"]
[Date "2015.03.29"]
[Round "3.3"]
[White "Gaitan Bautista, Oscar"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1683"]
[BlackElo "1742"]
[PlyCount "68"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bc4 Nf6 5. Nc3 Nbd7 6. e5 dxe5 7. dxe5 Ng4 8. e6 fxe6 9. Ng5 Nde5 10. Qxd8+ Kxd8 11. Bxe6 h6 12. Bxc8 Kxc8 13. Ne6 Kd7 14. Nxg7 Rh7 15. Bf4 Rxg7 16. f3 Rf7 17. 0-0-0+ Kc6 18. Bg3 Ne3 19. Rde1 N5c4 20. Re2 Nf5 21. Re6+ Ncd6 22. Rxg6 h5 23. Ne4 b6 24. Re1 Re8 25. Nxd6 cxd6 26. Ree6 Kd7 27. Bf2 Rc8 28. Re4 Rcf8 29. Ra4 Kc7 30. Rxa7+ Kc6 31. Ra6 Rf6 32. Rxf6 Rxf6 33. Rxb6+ Kd5 34. Rb5+ Ke6 1-0

[Event "Bogota Region-ch U16 Integrada"]
[Site "Tercer Piso"]
[Date "2015.03.29"]
[Round "4.4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Mora Suarez, Juan Felipe"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1742"]
[BlackElo "1648"]
[PlyCount "15"]
[EventDate "2015.03.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. e3 Nc6 4. Bxc4 Nf6 5. Nc3 Bf5 6. d4 Nb4 7. Qa4+ Nc6 8. d5 1-0

[Event "COL-ch School U15"]
[Site "Ibague"]
[Date "2014.11.22"]
[Round "5.5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Herrera C, Carlos Stiven"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1801"]
[BlackElo "1472"]
[PlyCount "19"]
[EventDate "2014.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qc5 4. d4 Qf5 5. Bd3 Qa5 6. Nf3 c6 7. Bd2 Nd7 8. 0-0 b6 9. Ne4 e6 10. Bxa5 1-0

[Event "COL-ch School U15"]
[Site "Ibague"]
[Date "2014.11.22"]
[Round "4.6"]
[White "Leon, Gustavo"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1910"]
[BlackElo "1801"]
[PlyCount "32"]
[EventDate "2014.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. Be3 Nbd7 6. Qd2 Ng4 7. Bg5 Bxd4 8. Nh3 c6 9. Be2 Bxc3 10. Qxc3 Ngf6 11. f4 Rg8 12. Bf3 Nc5 13. Nf2 Nfd7 14. e5 d5 15. Bg4 f6 16. exf6 exf6 1/2-1/2

[Event "COL-ch School U15"]
[Site "Ibague"]
[Date "2014.11.21"]
[Round "2.4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Valenzuela, Juan Camilo"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1801"]
[BlackElo "1560"]
[PlyCount "58"]
[EventDate "2014.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[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 d5 4. Nc3 b6 5. cxd5 Nxd5 6. e4 Nf6 7. Bg5 Be7 8. Bd3 Bb7 9. 0-0 Nbd7 10. Re1 0-0 11. Qc2 h6 12. Bf4 c5 13. Rad1 cxd4 14. Nxd4 e5 15. Nf5 exf4 16. e5 Ng4 17. Bb5 Bc5 18. Rxd7 Bxf2+ 19. Kf1 Bxg2+ 20. Kxg2 Qg5 21. Kf3 Bxe1 22. Ke2 Bxc3 23. bxc3 f3+ 24. Kxf3 Nxe5+ 25. Ke4 Nxd7 26. Bxd7 g6 27. Nd4 Rad8 28. Bc6 Rxd4+ 29. Kxd4 Qc5+ 0-1

[Event "COL-ch School U15"]
[Site "Ibague"]
[Date "2014.11.20"]
[Round "1.4"]
[White "Aguiar Rincon, Oscar Duvan"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1801"]
[PlyCount "47"]
[EventDate "2014.11.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. h3 Bg7 5. Bc4 e5 6. d3 Nbd7 7. Bb5 a6 8. Bxd7+ Bxd7 9. Bg5 c6 10. 0-0 Qc7 11. Qd2 0-0-0 12. Bh6 Rhg8 13. Bxg7 Rxg7 14. Qg5 Nh5 15. d4 f6 16. Qh4 Rf8 17. dxe5 fxe5 18. b4 h6 19. Rac1 Rf4 20. g4 Rxf3 21. gxh5 gxh5+ 22. Kh2 Rxh3+ 23. Qxh3 Bxh3 24. Kxh3 0-1

[Event "COL-ch School U17"]
[Site "Bogota"]
[Date "2014.11.17"]
[Round "6.5"]
[White "Alvarado Martinez, Andrey Camilo"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1584"]
[BlackElo "1801"]
[PlyCount "135"]
[EventDate "2014.11.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e3 Bc5 4. g3 Nf6 5. Bg2 Qe7 6. a3 a5 7. Nge2 d6 8. 0-0 Bf5 9. d3 Qd7 10. Re1 Bh3 11. Bh1 h5 12. Rb1 Qf5 13. Ne4 Nxe4 14. Bxe4 Qg4 15. Nc3 Qg5 16. Bf3 f5 17. Bd2 Qg6 18. Nd5 Kd7 19. b4 axb4 20. axb4 Ba7 21. b5 Ne7 22. Nxe7 Kxe7 23. Bxb7 Raf8 24. Qe2 h4 25. Bg2 hxg3 26. fxg3 Bxg2 27. Kxg2 Qh6 28. Rh1 Qh3+ 29. Kf2 f4 30. Ke1 fxg3 31. Kd1 g2 32. Rg1 Rf1+ 33. Kc2 Rhf8 34. Qxg2 Qxg2 35. Rxg2 Rxb1 36. Kxb1 Rf1+ 37. Kc2 Kf6 38. e4 Rf2 39. Rxf2+ Bxf2 40. Kd1 Bb6 41. Ke2 Bg1 42. Kf3 Bb6 43. Kg4 g6 44. h3 Kg7 45. Kg5 Kf7 46. Kh6 Kf6 47. h4 Ba7 48. h5 gxh5 49. Kxh5 Bb6 50. Bc3 Kf7 51. Kg5 Ke6 52. Kg6 Kd7 53. Kf7 c6 54. bxc6+ Kxc6 55. Ke6 Bc5 56. Ba5 Ba3 57. Bd8 Bb4 58. Bg5 Bc3 59. Be3 Bb4 60. d4 exd4 61. Bxd4 Ba3 62. Bf6 Bb4 63. Be7 Bc5 64. Bf8 Kc7 65. Kd5 Kd7 66. e5 dxe5 67. Bxc5 e4 68. Kxe4 1-0

[Event "COL-ch School U17"]
[Site "Bogota"]
[Date "2014.11.16"]
[Round "4.5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Salamanca, Juan David"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1801"]
[BlackElo "1584"]
[PlyCount "13"]
[EventDate "2014.11.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng4 6. Bxe7 Qxe7 7. Qxg4 1-0

[Event "COL-ch School U17"]
[Site "Bogota"]
[Date "2014.11.14"]
[Round "1.4"]
[White "Giraldo Montoya, Julian"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1534"]
[BlackElo "1801"]
[PlyCount "74"]
[EventDate "2014.11.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 d6 8. Bg2 0-0 9. 0-0 Ne5 10. Nc2 Be6 11. Nba3 Rad8 12. f4 Qh6 13. Qd2 Ng4 14. Bf3 Nxe3 15. Nxe3 d5 16. Rfd1 Rd7 17. Qe2 Rfd8 18. e5 Nf5 19. Nac2 Nxe3 20. Nxe3 d4 21. cxd4 Bxd4 22. Kh1 c6 23. a3 Bb3 24. Rd2 Qe6 25. Bg4 Bd5+ 26. Nxd5 Qxd5+ 27. Bf3 Qa5 28. Rad1 Qc7 29. e6 fxe6 30. Qxe6+ Kf8 31. Qe4 Bf6 32. Rxd7 Rxd7 33. Qxh7 Rxd1+ 34. Bxd1 Qd6 35. Bb3 Qd2 36. Qg8+ Ke7 37. Qe6+ Kd8 1/2-1/2

[Event "Bogota U14"]
[Site "Bogota"]
[Date "2014.05.17"]
[Round "4.4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Vargas Villalobos, Juan Pablo"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1810"]
[BlackElo "1635"]
[PlyCount "78"]
[EventDate "2014.05.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Be3 Bb6 7. Qd2 h6 8. 0-0-0 Qe7 9. h3 Be6 10. Bb5 Bd7 11. g4 a6 12. Ba4 Ba5 13. g5 hxg5 14. Nxg5 Nb4 15. Bb3 Be6 16. Nxe6 fxe6 17. a3 Nc6 18. Qe2 0-0-0 19. f4 exf4 20. Bxf4 Nd4 21. Qe3 Nxb3+ 22. cxb3 Qd7 23. Qa7 Qc6 24. Qf2 Bxc3 25. bxc3 Qxc3+ 26. Qc2 Qa1+ 27. Kd2 Qd4 28. Be3 Nxe4+ 29. Ke2 Ng3+ 30. Kd2 Ne4+ 31. Ke2 Qc3 32. Qxc3 Nxc3+ 33. Kd2 Nxd1 34. Kxd1 Rdf8 35. Ke2 e5 36. h4 Rf5 37. a4 Rfh5 38. Bg5 Rxg5 39. hxg5 Rxh1 0-1

[Event "Bogota U14"]
[Site "Bogota"]
[Date "2014.05.16"]
[Round "1.4"]
[White "Moceton, Henry Farid"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1568"]
[BlackElo "1810"]
[PlyCount "36"]
[EventDate "2014.05.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. h3 c5 7. d3 Ne7 8. Be3 Nc6 9. Ne2 Nd4 10. c3 Ne6 11. d4 exd4 12. cxd4 cxd4 13. Bxd4 Nxd4 14. Nfxd4 Qe7 15. Qc2 Bd7 16. 0-0-0 0-0 17. Rhg1 Rfe8 18. Nf5 Bxf5 0-1

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.22"]
[Round "2.2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Ribero, Guillermo Andres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1855"]
[BlackElo "1783"]
[PlyCount "93"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Be3 a6 8. Na3 b5 9. Nd5 Nxd5 10. Qxd5 Bb7 11. f3 Rb8 12. Qd2 Be7 13. Be2 0-0 14. 0-0 Kh8 15. c3 Qd7 16. Nc2 f5 17. Rad1 f4 18. Bf2 Rf6 19. Ne1 Rg6 20. Kh1 Rf8 21. c4 bxc4 22. Bxc4 Rh6 23. Nd3 Qc8 24. Rc1 Qe8 25. Bd5 Bh4 26. Bxc6 Bxc6 27. Qe1 Bd8 28. b3 Bb5 29. Qd2 Qh5 30. h3 Bd7 31. Bg1 Bh4 32. Nf2 Rg6 33. Bh2 Bg3 34. Rc7 Be6 35. Qxd6 Rg8 36. Qd2 Bxh2 37. Kxh2 Qh4 38. Ng4 Bxg4 39. fxg4 Rxg4 40. Rf3 Rg6 41. Qf2 Qxf2 42. Rxf2 Re6 43. Rfc2 g5 44. Ra7 Rgg6 45. Rcc7 Kg8 46. Rc8+ Re8 47. Rxe8# 1-0

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.22"]
[Round "1.2"]
[White "Silva Suna, Juan Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1739"]
[BlackElo "1855"]
[PlyCount "53"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Nf6 4. Nf3 Bc5 5. 0-0 d6 6. h3 Be6 7. Bxe6 fxe6 8. Nbd2 Qd7 9. Re1 0-0-0 10. a3 Rhg8 11. b4 Bb6 12. Nc4 h6 13. Nxb6+ axb6 14. Bd2 g5 15. a4 g4 16. hxg4 Rxg4 17. Nh2 Rg6 18. a5 Qg7 19. g3 Rg8 20. Nf1 h5 21. axb6 Kd7 22. bxc7 h4 23. Re3 Ng4 24. Rf3 Nd4 25. c3 Nxf3+ 26. Qxf3 h3 27. Qd1 0-1

[Event "North Region-ch U14"]
[Site "Cartagena"]
[Date "2013.04.20"]
[Round "3.3"]
[White "Castellanos Rodriguez, Camilo"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1847"]
[BlackElo "1855"]
[PlyCount "74"]
[EventDate "2013.04.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. 0-0 d6 7. Qb3 Qe7 8. Bg5 Nf6 9. Bxd3 h6 10. Bh4 g5 11. Bg3 Ne5 12. Nxe5 dxe5 13. Nd2 h5 14. Nf3 Nd7 15. h4 g4 16. Ng5 Nb6 17. Bxe5 f6 18. Bxf6 Qxf6 19. Qb5+ Qc6 20. Qb3 Qf6 21. e5 Qe7 22. Bg6+ Kf8 23. e6 Rg8 24. Bf7 Rxg5 25. hxg5 Qxg5 26. Qc2 g3 27. b4 Qh4 28. Rfd1 Bxf2+ 29. Kf1 Nc4 30. e7+ Kxe7 31. Bxc4 Qxc4+ 32. Rd3 Bf5 33. Qe2+ Qe6 34. Qd2 Bxd3+ 35. Qxd3 Rf8 36. Qe2 Bd4+ 37. Ke1 Bxc3+ 0-1

[Event "North Region-ch U14"]
[Site "Cartagena"]
[Date "2013.04.20"]
[Round "4.1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Moreno Lozano, David"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1855"]
[BlackElo "1925"]
[PlyCount "41"]
[EventDate "2013.04.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 Nf6 7. Be3 a6 8. Na3 b5 9. Nd5 Nxd5 10. Qxd5 Qc7 11. f3 Bb7 12. Qd2 Be7 13. Be2 0-0 14. 0-0 Nd8 15. c3 Ne6 16. Nc2 Rfd8 17. Nb4 Rac8 18. Rfd1 h6 19. Rac1 Nc5 20. Nd5 Bxd5 21. Qxd5 1/2-1/2

[Event "North Region-ch U14"]
[Site "Cartagena"]
[Date "2013.04.19"]
[Round "2.3"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Cotes Ontibon, Juan Sebastian"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1855"]
[BlackElo "2017"]
[PlyCount "57"]
[EventDate "2013.04.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 Bc5 6. Be3 Bxe3 7. fxe3 d6 8. Qd2 Bd7 9. 0-0-0 0-0 10. h3 Rb8 11. g4 b5 12. Bxb5 Be8 13. Rdg1 d5 14. exd5 Nxd5 15. Bxc6 Bxc6 16. Nxe5 Bb7 17. e4 Nb4 18. Rh2 Qe7 19. Nc4 Rbd8 20. Qe3 c5 21. g5 h5 22. g6 fxg6 23. Rxg6 Rf1+ 24. Kd2 Rdf8 25. Rhg2 R8f7 26. Nd6 R1f6 27. Nxf7 Rxg6 28. Rxg6 Qxf7 29. Qg3 1-0

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.07"]
[Round "6.2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Gomez, Juan Andres"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1855"]
[BlackElo "1776"]
[PlyCount "48"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 Bc5 6. Be3 Bb6 7. h3 0-0 8. Qd2 Re8 9. 0-0-0 d6 10. g4 Bxe3 11. Qxe3 Nh7 12. Rdg1 Ng5 13. h4 Nxf3 14. Qxf3 Be6 15. Bxe6 fxe6 16. Ne2 g6 17. c3 Kg7 18. g5 h5 19. Ng3 Rh8 20. Qe2 Qe7 21. Rf1 Rhf8 22. a3 Rf7 23. f3 Raf8 24. Rh2 Rf4 1/2-1/2

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.07"]
[Round "5.3"]
[White "Moreno Lozano, Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1621"]
[BlackElo "1855"]
[PlyCount "91"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. Qxd3 Nf6 7. Bg5 h6 8. Bxf6 Qxf6 9. Nbd2 d6 10. Nf1 Ne5 11. Qe2 Bg4 12. N1d2 0-0-0 13. 0-0-0 Rhe8 14. Rde1 Bxf3 15. gxf3 Qf4 16. Kc2 Nxc4 17. Nxc4 d5 18. Nd2 dxe4 19. fxe4 Qxf2 20. Qxf2 Bxf2 21. Ref1 Be3 22. Nc4 Rxe4 23. Nxe3 Rxe3 24. Rxf7 Re2+ 25. Kb3 Rg2 26. Re1 Rg6 27. Ree7 Rc6 28. Rxg7 b6 29. Kc2 Kb7 30. Re4 Rf6 31. Rg2 Rfd6 32. Ree2 b5 33. Rd2 Rxd2+ 34. Rxd2 Rxd2+ 35. Kxd2 Kc6 36. Ke3 Kd5 37. Kf4 Ke6 38. Kg4 Kf6 39. h4 Kg6 40. h5+ Kf6 41. Kf4 c6 42. b4 Ke6 43. Ke4 a6 44. a3 Kf6 45. Kf4 Ke6 46. Ke4 1/2-1/2

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.06"]
[Round "4.2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Cortes, Maria Angelica"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1855"]
[BlackElo "1760"]
[PlyCount "72"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. d3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Bg5 f6 9. Bh4 Qd7 10. Qd2 Bf7 11. Bxf7+ Qxf7 12. Nd5 0-0-0 13. b4 Bb6 14. a4 Nd4 15. Nxd4 Bxd4 16. c3 c6 17. cxd4 cxd5 18. Rc1+ Kd7 19. Qc3 Ke8 20. Rg1 dxe4 21. dxe4 Qd7 22. a5 Ne7 23. d5 Rc8 24. Qe3 Rxc1+ 25. Qxc1 Qc8 26. Qxc8+ Nxc8 27. Kd2 Kd7 28. g5 fxg5 29. Bxg5 Rf8 30. Be3 g6 31. h4 a6 32. Kd3 Rf3 33. Rg3 Rxg3 34. fxg3 Kc7 35. Kc4 b6 36. Kd3 b5 1/2-1/2

[Event "Bogota District U14"]
[Site "Bogota"]
[Date "2013.04.06"]
[Round "3.1"]
[White "Jimenez, Leonardo Andres"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1886"]
[BlackElo "1855"]
[PlyCount "47"]
[EventDate "2013.04.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d5 6. exd5 Nxd5 7. Qb3 Be6 8. 0-0 Bb6 9. Nbd2 Nf4 10. Bxe6 Nxe6 11. Nc4 Nc5 12. Qc2 Qxd3 13. Qxd3 Nxd3 14. Nxb6 axb6 15. a3 0-0-0 16. Ng5 Rd7 17. Rd1 h6 18. Nxf7 Rf8 19. Nxh6 gxh6 20. Bxh6 Rxf2 21. Rxd3 Rxg2+ 22. Kxg2 Rxd3 23. Re1 Rd2+ 24. Bxd2 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.15"]
[Round "7"]
[White "Silva Suna, Juan Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "1733"]
[BlackElo "1912"]
[PlyCount "71"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. c3 d6 8. h3 0-0 9. 0-0 Na5 10. Bc2 c5 11. Nbd2 Qc7 12. Re1 Be6 13. Nf1 Rad8 14. Ng3 c4 15. d4 Nb7 16. Nh2 a5 17. a3 Ra8 18. Be3 h6 19. d5 Bd7 20. f4 Rfe8 21. f5 Nc5 22. Bd2 Qb6 23. Be3 Qc7 24. Ng4 Nh7 25. Rf1 Bf6 26. Nh5 Qd8 27. Nhxf6+ Nxf6 28. Nxf6+ Qxf6 29. Rf3 Rac8 30. Rg3 Kh8 31. Qh5 Kg8 32. Bxh6 g6 33. fxg6 Rf8 34. gxf7+ Kh8 35. Bxf8+ Qh6 36. Qxh6# 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.14"]
[Round "4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Baron Calderon, Ismael"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1912"]
[PlyCount "81"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Be3 a6 8. Na3 Be6 9. f3 Be7 10. Be2 0-0 11. 0-0 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. c4 Be6 15. Nc2 Qc7 16. Qe1 Bf5 17. Bd1 Bd3 18. Rf2 Bxc4 19. Be2 Be6 20. f4 exf4 21. Bxf4 Qb6 22. Kh1 Qxb2 23. Bd3 Qb6 24. Qe4 g6 25. Be3 Qd8 26. Nd4 Bd5 27. Qf4 Qd6 28. Nxc6 Bxc6 29. Qxd6 Bxd6 30. Bb6 Rfe8 31. Raf1 Bd5 32. a4 Rac8 33. Rd2 Re5 34. a5 Rh5 35. h3 Rxh3+ 36. Kg1 Rg3 37. Bf5 Bxg2 38. Bxc8 Bf3+ 39. Kf2 Rg2+ 40. Ke3 Rxd2 41. Kxd2 1-0

[Event "Bogota McGregor op 3rd"]
[Site "Bogota"]
[Date "2012.12.14"]
[Round "5"]
[White "Rodriguez Sanchez, Diego Eduardo"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2063"]
[BlackElo "1912"]
[PlyCount "37"]
[EventDate "2012.12.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Bd3 b6 8. Qc2 Bb7 9. cxd5 exd5 10. 0-0 Re8 11. Ne5 h6 12. Bf4 Bd6 13. Nxd7 Qxd7 14. Bxd6 Qxd6 15. Nb5 Qd7 16. Qxc7 Bc6 17. Qxd7 Bxd7 18. Nc7 Rac8 19. Nxe8 1-0

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.22"]
[Round "9"]
[White "Bohorquez Pulgarin, Samuel"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "1807"]
[BlackElo "1912"]
[PlyCount "26"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. 0-0 Bg4 7. d3 Bd6 8. Bg5 h6 9. Bh4 g5 10. Bg3 h5 11. a3 Bxf3 12. Qxf3 g4 13. Qf5 h4 0-1

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.22"]
[Round "9"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Cotes Ontibon, Samuel"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1912"]
[BlackElo "1912"]
[PlyCount "26"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bb4 5. Nxf7 Qe7 6. Nxh8 Qf8 7. Nf7 d6 8. a3 Bg4 9. f3 Bh5 10. Ng5 0-0-0 11. axb4 Nxb4 12. Ne6 Qe7 13. Nxd8 Qxd8 1-0

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.20"]
[Round "4"]
[White "Castillo, Jorge"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C69"]
[WhiteElo "2115"]
[BlackElo "1912"]
[PlyCount "39"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. Re1 Bd6 7. d4 exd4 8. Nxd4 Be5 9. c3 Ne7 10. f4 Bxd4+ 11. cxd4 0-0 12. Be3 Ng6 13. Nc3 b6 14. f5 Ne7 15. Qg4 Bb7 16. Rad1 c5 17. Bh6 Rf7 18. e5 fxe5 19. dxe5 Qe8 20. e6 1-0

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.20"]
[Round "3"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Velasquez, Angie Gabriela"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1912"]
[BlackElo "1866"]
[PlyCount "60"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. 0-0 0-0 10. f4 exf4 11. Bxf4 Nc6 12. Bf3 Qc7 13. Nd5 Bxd5 14. exd5 Ne5 15. Bxe5 dxe5 16. Kh1 Rad8 17. Qd3 Rfe8 18. c4 Bc5 19. Nxc5 Qxc5 20. Rae1 b5 21. b3 Re6 22. Qe3 Qxe3 23. Rxe3 Re7 24. Rfe1 Rde8 25. d6 Re6 26. c5 e4 27. Bd1 a5 28. a3 b4 29. axb4 axb4 30. Be2 Re5 1-0

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.19"]
[Round "1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Castellanos Rodriguez, Camilo"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1912"]
[BlackElo "1853"]
[PlyCount "40"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qc7 5. Be2 a6 6. Be3 Nc6 7. 0-0 Nf6 8. Nc3 Bb4 9. f4 Bxc3 10. bxc3 Nxe4 11. f5 Nxc3 12. Qd2 Nxe2+ 13. Qxe2 e5 14. Nxc6 Qxc6 15. Rf2 0-0 16. Raf1 f6 17. h3 d5 18. g4 d4 19. Bc1 b5 20. Ba3 Bb7 0-1

[Event "Sicopweb CC U20"]
[Site "Columbia"]
[Date "2012.11.19"]
[Round "2"]
[White "Trujillo, Otoniel"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2224"]
[BlackElo "1912"]
[PlyCount "53"]
[EventDate "2012.11.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 dxe4 7. Nxe4 Bg4 8. Nxf6+ exf6 9. Be2 Nc6 10. c3 Qd5 11. 0-0 0-0-0 12. h3 Be6 13. Qc1 Qd7 14. Rd1 Ne7 15. Bf1 g5 16. Nh2 Rhg8 17. d5 Bf5 18. g4 Bg6 19. c4 h5 20. f3 Qd6 21. Kg2 h4 22. Qe3 Qg3+ 23. Kh1 a6 24. Qxe7 Rge8 25. Qc5 Bc2 26. Rd2 Bg6 27. Qf2 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.21"]
[Round "6.2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Ribero, Guillermo Andres"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1912"]
[BlackElo "1785"]
[PlyCount "20"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Be3 a6 8. Na3 b5 9. Nd5 Nxd5 10. exd5 Ne7 1/2-1/2

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.20"]
[Round "4.1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Salamanca, Juan David"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1912"]
[BlackElo "1433"]
[PlyCount "99"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Be3 Bb6 7. Qd2 Be6 8. Bxe6 fxe6 9. 0-0-0 0-0 10. d4 exd4 11. Bxd4 Nxd4 12. Nxd4 Bxd4 13. Qxd4 Ng4 14. f3 Ne5 15. Rhf1 Qg5+ 16. Qd2 Qxd2+ 17. Rxd2 Ng6 18. Nb5 Rfc8 19. f4 a6 20. Nc3 Rf8 21. g3 e5 22. Nd5 Rf7 23. f5 Nf8 24. g4 Rc8 25. Rdf2 Nd7 26. f6 gxf6 27. Nxf6+ Nxf6 28. Rxf6 Rcf8 29. Rxf7 Rxf7 30. Rxf7 Kxf7 31. h4 Kg6 32. Kd2 h6 33. Kd3 c6 34. c4 a5 35. a3 b5 36. cxb5 cxb5 37. a4 bxa4 38. Kc4 Kf6 39. Kd5 Ke7 40. g5 hxg5 41. hxg5 a3 42. bxa3 a4 43. g6 Kf6 44. Kxd6 Kxg6 45. Kxe5 Kf7 46. Kd6 Ke8 47. Ke6 Kd8 48. Kf7 Kd7 49. e5 Kd8 50. e6 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.20"]
[Round "5.1"]
[White "Silva Suna, Juan Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1797"]
[BlackElo "1912"]
[PlyCount "37"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nf6 3. Nc3 Bb4 4. Nd5 Nxd5 5. cxd5 0-0 6. Nf3 d6 7. Be2 f5 8. exf5 Bxf5 9. 0-0 Bc5 10. d4 exd4 11. Nxd4 Qf6 12. Be3 Nd7 13. Nxf5 Qxf5 14. Bg4 Qe4 15. Bxd7 Bxe3 16. fxe3 Qxe3+ 17. Kh1 Rfd8 18. Be6+ Kh8 19. Rf7 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.19"]
[Round "2.2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Cortes, Maria Angelica"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1912"]
[BlackElo "1770"]
[PlyCount "63"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. Qd2 d6 8. 0-0-0 Bg4 9. h3 Bxf3 10. gxf3 Bxe3 11. fxe3 Qd7 12. d4 0-0-0 13. Bb5 a6 14. Ba4 exd4 15. exd4 d5 16. e5 Ng8 17. Rhg1 f6 18. Bxc6 Qxc6 19. Rxg7 fxe5 20. dxe5 Qe6 21. Nxd5 Qxe5 22. Nb6+ Kb8 23. Qxd8+ Ka7 24. Qxc7 Qxc7 25. Rxc7 Kxb6 26. Rdd7 Nf6 27. Rxb7+ Kc6 28. Rdc7+ Kd6 29. c4 Re8 30. c5+ Ke6 31. Rc6+ Kd5 32. Rxf6 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.19"]
[Round "3.1"]
[White "Velasquez, Angie Gabriela"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1989"]
[BlackElo "1912"]
[PlyCount "38"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Ne5 6. Bb3 f6 7. Nf3 d6 8. Nxe5 dxe5 9. c3 Ne7 10. Qd3 a6 11. Qc4 Qd6 12. Bd2 Rf8 13. cxd4 Qxd4 14. Qxd4 Bxd4 15. Nc3 Bd7 16. g3 0-0-0 17. f4 Bc6 18. 0-0-0 Bxc3 19. Bxc3 Bxe4 0-1

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.18"]
[Round "1.2"]
[White "Castro, Alison Gisell"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1537"]
[BlackElo "1912"]
[PlyCount "72"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 Be7 7. Nc3 d6 8. h3 Bb7 9. Be3 Na5 10. 0-0 Nxb3 11. axb3 0-0 12. Ne2 Re8 13. Ng3 Bf8 14. Qd2 d5 15. exd5 Bxd5 16. Qe2 e4 17. dxe4 Nxe4 18. Nxe4 Bxe4 19. Rfd1 Qf6 20. Ne1 Bc6 21. c3 Bd6 22. Qg4 Qe6 23. Qxe6 Rxe6 24. Nc2 Rg6 25. Ne1 h6 26. b4 Bb7 27. Kf1 Re8 28. Rd2 Rf6 29. Kg1 Rfe6 30. Rad1 f5 31. Nd3 Rg6 32. Ne1 f4 33. Bd4 Bxg2 34. Nxg2 f3 35. Rd3 Rxg2+ 36. Kf1 Bh2 0-1

[Event "Bogota Semana Santa op U20"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "7"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Barreto Badillo, Cristian David"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1779"]
[BlackElo "1445"]
[PlyCount "7"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 0-1

[Event "Bogota Semana Santa op U20"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "2"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Bohorquez Pulgarin, Samuel"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1779"]
[BlackElo "1276"]
[PlyCount "29"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 0-0 6. Bg5 Be7 7. Qd2 Ng4 8. Bxe7 Qxe7 9. Nd5 Qc5 10. h3 Nh6 11. Nxc7 Rb8 12. Nd5 b5 13. Bb3 a5 14. Nc7 Nb4 15. Nd5 1-0

[Event "Bogota Semana Santa op U20"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Castellanos, Camilo Andres"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1779"]
[BlackElo "1595"]
[PlyCount "60"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Be3 Bb6 7. Qd2 Be6 8. Bb3 Qd7 9. Bxe6 fxe6 10. 0-0-0 d5 11. exd5 exd5 12. Bg5 0-0-0 13. Rhe1 Rde8 14. Na4 Ba5 15. c3 d4 16. Nc5 dxc3 17. bxc3 Qd6 18. Bxf6 Qxc5 19. Bxg7 Rhg8 20. Bxe5 Nxe5 21. d4 Qa3+ 22. Qb2 Qxb2+ 23. Kxb2 Nxf3 24. gxf3 Rxe1 25. Rxe1 Rg2 26. Re2 Rxh2 27. f4 Rh3 28. c4 Bc3+ 29. Kc2 Bxd4 30. f5 Rf3 0-1

[Event "Bogota Semana Santa op U20"]
[Site "Bogota"]
[Date "2012.04.05"]
[Round "3"]
[White "Saenz Quintero, Vanessa"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1448"]
[BlackElo "1779"]
[PlyCount "30"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nf3 Nc6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bg4 9. h3 Bh5 10. Bh2 g4 11. hxg4 Bxg4 12. Qd2 Bxf3 13. gxf3 Nd4 14. Qd1 Qd7 15. f4 0-0-0 0-1

[Event "Bogota U16 Mixto op"]
[Site "Bogota"]
[Date "2012.03.11"]
[Round "6.6"]
[White "Barreto Badillo, Cristian David"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1808"]
[PlyCount "56"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bg4 9. h3 Bh5 10. Bh2 g4 11. hxg4 Bxg4 12. Ne2 Bxf3 13. gxf3 Qd7 14. f4 Ng4 15. fxe5 Nxf2 16. Qd2 Nxh1 17. 0-0-0 Nf2 18. Rf1 Nxe5 19. Bxe5 dxe5 20. c3 0-0-0 21. Kb1 Nxe4 22. Qd1 Nd6 23. Bb3 Kb8 24. Ba4 c6 25. Rf6 Ne4 26. dxe4 Qxd1+ 27. Bxd1 Rxd1+ 28. Kc2 Rhd8 0-1

[Event "Bogota U16 Mixto op"]
[Site "Bogota"]
[Date "2012.03.11"]
[Round "5.5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Moreno Lozano, David"]
[Result "1/2-1/2"]
[ECO "B32"]
[BlackElo "1924"]
[PlyCount "71"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 d5 10. Bg5 Nxe4 11. Nxd5 0-0 12. Be3 Nf6 13. Nxf6+ gxf6 14. Be2 Be6 15. 0-0-0 Rac8 16. a3 Ne7 17. Bf3 Bf5 18. c3 e4 19. Be2 Be6 20. Kb1 f5 21. f3 Rfd8 22. Rxd8+ Rxd8 23. fxe4 fxe4 24. Bg5 Rd7 25. c4 f5 26. g3 Kf7 27. c5 Nd5 28. Rd1 Kg6 29. Bf4 Nxf4 30. gxf4 Rxd1+ 31. Bxd1 Bc4 32. b3 Bd3+ 33. Kc1 Kf6 34. Kd2 Ke6 35. Ke3 Kd5 36. b4 1/2-1/2

[Event "Bogota U16 Mixto op"]
[Site "Bogota"]
[Date "2012.03.10"]
[Round "2.7"]
[White "Baron, Paula Alejandra"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C31"]
[PlyCount "44"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. d3 dxe4 4. fxe5 exd3 5. cxd3 Nc6 6. Nf3 Bg4 7. h3 Bxf3 8. gxf3 Nxe5 9. Be2 Qh4+ 10. Kd2 0-0-0 11. Qc2 Bb4+ 12. Kd1 Nf6 13. Bd2 Bxd2 14. Kxd2 Qb4+ 15. Kc1 Rhe8 16. a3 Qf4+ 17. Kd1 Nc4 18. Nc3 Ne3+ 19. Kc1 Nxc2+ 20. Kxc2 Nd5 21. Nb5 Rxe2+ 22. Kd1 Qd2# 0-1

[Event "Bogota U16 Mixto op"]
[Site "Bogota"]
[Date "2012.03.10"]
[Round "3.4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Corredor Castellanos, Camilo"]
[Result "0-1"]
[ECO "D14"]
[BlackElo "1858"]
[PlyCount "90"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Be2 Be7 9. 0-0 0-0 10. Rc1 Rc8 11. Nd2 Qd7 12. Be5 Rfd8 13. Kh1 Qe8 14. Qe1 Nxe5 15. dxe5 Nd7 16. Bb5 a6 17. Bxd7 Qxd7 18. Rd1 Bb4 19. Nb3 Bxc3 20. bxc3 Qc7 21. f4 Qxc3 22. Qxc3 Rxc3 23. Rfe1 Rdc8 24. Nd4 Be4 25. h3 h6 26. Kh2 Ra3 27. Rd2 Rcc3 28. Nb3 Rc2 29. Rxc2 Bxc2 30. Nc1 b5 31. Re2 Rc3 32. Nb3 Bxb3 33. axb3 Rxb3 34. Ra2 Rxe3 35. Rxa6 b4 36. Ra8+ Kh7 37. Ra2 Re4 38. g3 b3 39. Rb2 Re3 40. h4 d4 41. g4 Rc3 42. Kg1 Rc1+ 43. Kf2 Rc2+ 44. Rxc2 bxc2 45. Ke2 c1Q 0-1

[Event "Bogota U16 Mixto op"]
[Site "Bogota"]
[Date "2012.03.10"]
[Round "4.8"]
[White "Moreno Lozano, Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1638"]
[PlyCount "27"]
[EventDate "2012.03.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Bd3 0-0 11. Bxe4 dxe4 12. Qe2 Bf5 13. Qb5 Qc8 14. Nd2 0-1

[Event "Bogota Semana Santa op U20"]
[Site "Bogota"]
[Date "2012.??.??"]
[Round "1"]
[White "Gomez Morales, Juan Sebastian"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1650"]
[BlackElo "1779"]
[PlyCount "24"]
[EventDate "2012.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Qe2 Be7 8. Nc3 Qe6 9. 0-0 0-0 10. h3 Bb4 11. d3 Bxc3 12. b3 Bxa1 0-1

[Event "Bogota Univ Central op-B 5th"]
[Site "Bogota"]
[Date "2011.10.15"]
[Round "5.5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Argote Heredia, Valentina"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1784"]
[BlackElo "1506"]
[PlyCount "51"]
[EventDate "2011.10.13"]
[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 Nf6 3. Nf3 Nxd5 4. d4 Nc6 5. c4 Nf6 6. d5 Nb8 7. Nc3 e6 8. Bg5 Be7 9. dxe6 Qxd1+ 10. Rxd1 Bxe6 11. Be2 Nc6 12. 0-0 0-0 13. Nd5 Bxd5 14. cxd5 Nb4 15. Bxf6 Bxf6 16. a3 Na6 17. Bxa6 bxa6 18. b4 Rab8 19. Nd4 Bxd4 20. Rxd4 Rb5 21. a4 Rb7 22. h3 Rd8 23. Rb1 Kf8 24. Kh2 Re8 25. Kg3 Ke7 26. f4 0-1

[Event "Bogota Univ Central op-B 5th"]
[Site "Bogota"]
[Date "2011.10.14"]
[Round "2.6"]
[White "Calderon, Nicolas"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1538"]
[BlackElo "1784"]
[PlyCount "66"]
[EventDate "2011.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d5 9. exd5 e4 10. dxc6 exf3 11. Qxf3 Bg4 12. Qg3 Bd6 13. f4 Re8 14. d4 Rxe1+ 15. Qxe1 Qe8 16. Qxe8+ Rxe8 17. Kf1 Re4 18. Bc2 Be2+ 19. Kf2 Ng4+ 20. Kg3 Re8 21. a4 b4 22. cxb4 g5 23. h3 gxf4+ 24. Bxf4 Re3+ 25. Kh4 Bxf4 26. hxg4 Rg3 27. Be4 Rxg4+ 28. Kh3 Rg3+ 29. Kh4 Bg4 30. Nc3 Be6 31. Bf3 Rg6 32. Ne2 Bg5+ 33. Kh5 f6 0-1

[Event "Bogota Univ Central op-B 5th"]
[Site "Bogota"]
[Date "2011.10.13"]
[Round "1.7"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Bernal, Felipe"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1784"]
[BlackElo "1284"]
[PlyCount "15"]
[EventDate "2011.10.13"]
[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. Nc3 Nd4 5. d3 Nf6 6. Nxe5 d6 7. Nxf7 Ke7 8. Nxd8 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Salcedo Perez, Pablo Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C52"]
[WhiteElo "1806"]
[PlyCount "91"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Nxe5 Nf6 10. f3 Be6 11. 0-0 0-0 12. Be3 Nd7 13. Bxe6 Nxe5 14. Bb3 Kh8 15. Bd4 Ndc6 16. Na3 Bb6 17. Nc2 Nxd4 18. cxd4 Nc6 19. Rad1 Rad8 20. Bd5 Nxd4 21. Nxd4 c6 22. Kh1 cxd5 23. e5 Rfe8 24. f4 Bxd4 25. Rxd4 Re7 26. Rfd1 Rc7 27. h3 Rc5 28. f5 Kg8 29. g4 Kf8 30. g5 Ke7 31. Rh4 d4 32. f6+ gxf6 33. exf6+ Ke6 34. Rg4 d3 35. Rg2 Rc2 36. Kg1 d2 37. a4 Rc1 38. Re2+ Kf5 39. Rf2+ Ke4 40. Rff1 Rxd1 41. Rxd1 Kd3 42. Rf1 Kc2 43. Rf2 Kc1 44. Rf1+ d1Q 45. Rxd1+ Rxd1+ 46. Kf2 0-1

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Penados Betancourt, Sebastian"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "61"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. Qd2 d6 8. h3 0-0 9. 0-0-0 Bxe3 10. Qxe3 a6 11. g4 b5 12. Bd5 Nxd5 13. Nxd5 Ne7 14. g5 Nxd5 15. exd5 hxg5 16. Nxg5 f6 17. Ne4 f5 18. Nc3 b4 19. Nb1 Bb7 20. c4 Qh4 21. Nd2 Rf6 22. Nf3 Qh6 23. Qxh6 Rxh6 24. Rdg1 c6 25. Rg5 Rf8 26. Rhg1 Rf7 27. Rg6 Rxg6 28. Rxg6 cxd5 29. Rxd6 d4 30. Ng5 Re7 31. Rd8+ 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Moreno Lozano, Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1675"]
[PlyCount "59"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 h6 14. Qe2 hxg5 15. Re1 Be6 16. dxe6 f5 17. Re3 g4 18. Qc2 d5 19. Bd3 g6 20. h3 Qd6 21. Qa4+ c6 22. Qd4 Rh7 23. Rg3 0-0-0 24. Qxa7 Qb4 25. Rf1 Rdh8 26. Kh2 gxh3 27. Rxh3 Rxh3+ 28. gxh3 Qh4 29. Qe3 f4 30. Qf3 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Chomon Ruiz Figueroa, Daniel"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "1686"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d5 9. exd5 e4 10. dxc6 exf3 11. Qxf3 Bg4 12. Qg3 Bd6 13. f4 Re8 14. d4 Rxe1+ 15. Qxe1 Qe8 16. Qxe8+ Rxe8 17. Bd2 Ne4 18. h3 Nxd2 19. Nxd2 Be2 20. g3 Bd3 21. Nf3 Re3 22. Ne5 Bxe5 23. fxe5 Rxg3+ 24. Kh2 Re3 25. Rg1 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Garzon, Alan Derek"]
[Result "1-0"]
[ECO "B78"]
[BlackElo "1589"]
[PlyCount "61"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Qc7 11. Bb3 Nxd4 12. Bxd4 a5 13. Bxf6 Bxf6 14. Nd5 Qc6 15. Nxf6+ exf6 16. Qxd6 a4 17. Qxc6 Bxc6 18. Bd5 Rac8 19. Rd2 Kg7 20. Rhd1 b5 21. Bxc6 Rxc6 22. Rd8 Rxd8 23. Rxd8 Rc5 24. Rd5 Rxd5 25. exd5 f5 26. Kd2 Kf6 27. f4 g5 28. g3 Ke7 29. Kd3 gxf4 30. gxf4 b4 31. Kd4 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Silva Suna, Juan Esteban"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "75"]
[EventDate "2011.07.03"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 Bb4 8. Qd3 d5 9. 0-0 Bxc3 10. Qxc3 Qxc3 11. bxc3 Nxe4 12. c4 e5 13. Nb3 d4 14. Bf3 dxe3 15. Bxe4 exf2+ 16. Rxf2 0-0 17. Raf1 g6 18. Bd5 Bf5 19. Bxb7 Ra7 20. Bd5 Kg7 21. Nc5 Nc6 22. Bxc6 Rc7 23. Bd7 Bxd7 24. Nxd7 Rxd7 25. Rf6 Rc7 26. Rxa6 Rxc4 27. Rf2 Rfc8 28. Ra7 R8c7 29. Rxc7 Rxc7 30. Kf1 f5 31. Ke1 Kf6 32. Kd2 Ra7 33. Kc3 Rxa2 34. Kb3 Ra7 35. c4 Ke6 36. h3 Kd6 37. Rd2+ Ke6 38. Rf2 1/2-1/2

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Moreno Lozano, Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1675"]
[PlyCount "24"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 cxb2 7. Bxb2 f6 8. Qb3 Nh6 9. e5 a6 10. exf6 gxf6 11. Qe3+ Ne5 12. Nxe5 fxe5 1-0

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Jimenez, Leonardo Andres"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1857"]
[PlyCount "88"]
[EventDate "2011.07.03"]
[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 Nf6 6. Bc4 Bg4 7. h3 Bh5 8. g4 Bg6 9. Bd2 Nbd7 10. Qe2 e6 11. 0-0-0 Be7 12. Rhe1 0-0 13. Bxe6 fxe6 14. Qxe6+ Rf7 15. Ng5 Bb4 16. Qb3 Bxc3 17. bxc3 h6 18. Nxf7 Bxf7 19. c4 Qc7 20. Re7 Qd6 21. Rde1 Qxd4 22. Bc3 Qf4+ 23. Kb1 Bxc4 24. Qa3 Qxf2 25. Bxf6 Nxf6 26. Qe3 Qxe3 27. R1xe3 Nd5 28. Re8+ Rxe8 29. Rxe8+ Kf7 30. Rb8 Ba6 31. c4 Nf4 32. Rd8 Nxh3 33. Rd2 Bxc4 34. Rd7+ Kf6 35. Rxb7 a6 36. a3 g6 37. Rb8 Kg5 38. Kb2 Kxg4 39. Rb4 Nf4 40. Rxc4 h5 41. Rxc6 h4 42. Rxa6 h3 43. Rc6 h2 44. Rc1 Nd3+ 0-1

[Event "Pan American-ch U12"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Jimenez, Leonardo Andres"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1855"]
[PlyCount "51"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. c3 Nxe4 5. Qe2 Ng5 6. Nxe5 Nxe5 7. Qxe5+ Qe7 8. Qxe7+ Bxe7 9. d4 d6 10. 0-0 0-0 11. Be3 c6 12. d5 c5 13. f4 Ne4 14. f5 g6 15. fxg6 fxg6 16. Rxf8+ Bxf8 17. Bd3 Bf5 18. Nd2 Nxd2 19. Bxf5 Nc4 20. Be6+ Kh8 21. Bg5 Nxb2 22. Rb1 Bg7 23. Rxb2 b6 24. Rf2 Bxc3 25. Bf6+ Bxf6 26. Rxf6 0-1

[Event "Bucaramanga UDI-ch"]
[Site "Bucaramanga"]
[Date "2011.04.15"]
[Round "1.17"]
[White "Castillo, Arcenover"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1859"]
[PlyCount "59"]
[EventDate "2011.04.15"]
[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. 0-0 Nf6 5. d3 d6 6. c3 Na5 7. Bxf7+ Kxf7 8. b4 Bxf2+ 9. Rxf2 Nc6 10. Qb3+ Be6 11. Ng5+ Ke8 12. Nxe6 Qe7 13. Ng5 h6 14. Nf3 Nd8 15. Nh4 Qe6 16. Nf5 Qxb3 17. axb3 Ne6 18. Na3 Rf8 19. Nc4 a6 20. h3 b5 21. Na3 Rf7 22. Nxb5 Rb8 23. Nbxd6+ cxd6 24. Nxd6+ Ke7 25. Nxf7 Kxf7 26. Rxa6 Ke7 27. Rf5 Nd7 28. Ra7 g6 29. Rxe5 Kd6 30. Rd5+ 1-0

[Event "Bucaramanga UDI-ch"]
[Site "Bucaramanga"]
[Date "2011.04.15"]
[Round "4.29"]
[White "Fernandez Mendoza, Daniela"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "41"]
[EventDate "2011.04.15"]
[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. 0-0 Nf6 5. Nc3 d6 6. d3 h6 7. h3 Na5 8. Bb5+ c6 9. Ba4 b5 10. Bb3 0-0 11. Nh4 Nxb3 12. axb3 Bb6 13. Nf5 Bxf5 14. exf5 Nh7 15. Ne4 d5 16. Ng3 Ng5 17. h4 Nh7 18. Ra6 Qxh4 19. Re1 Rfe8 20. Re3 Bxe3 21. Bxe3 0-1

[Event "Bucaramanga UDI-ch"]
[Site "Bucaramanga"]
[Date "2011.04.15"]
[Round "3.17"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Estevez, Carlos Ariel"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1827"]
[PlyCount "52"]
[EventDate "2011.04.15"]
[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. Nc3 Nf6 5. d3 d6 6. Be3 Bb6 7. Qd2 Bg4 8. 0-0-0 Qd7 9. h3 Be6 10. Bxe6 Qxe6 11. Ng5 Qd7 12. Nf3 Nd4 13. Bxd4 exd4 14. Ne2 c5 15. Kb1 0-0-0 16. e5 Nd5 17. Nf4 Nb4 18. Rde1 Qa4 19. a3 Nc6 20. Nd5 Ba5 21. c3 dxe5 22. Ne7+ Nxe7 23. Nxe5 dxc3 24. bxc3 Qxa3 25. Qb2 Qxb2+ 26. Kxb2 Nd5 0-1

[Event "Bucaramanga UDI-ch"]
[Site "Bucaramanga"]
[Date "2011.04.15"]
[Round "9.18"]
[White "Munoz, Alvaro E"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "19"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. g3 e6 3. Bg2 g6 4. e3 Nf6 5. Ne2 Bg7 6. c4 Bd7 7. Nbc3 dxc4 8. Bxb7 Bc6 9. Bxa8 Bxa8 10. 0-0 1-0

[Event "Bucaramanga UDI-ch"]
[Site "Bucaramanga"]
[Date "2011.04.15"]
[Round "6.22"]
[White "Prieto Gomez, Camilo Orlando"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "39"]
[EventDate "2011.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 Nf6 5. g3 g6 6. Bg2 dxc4 7. 0-0 Bg7 8. Qa4 0-0 9. Qxc4 Ne8 10. Rd1 Nd6 11. Qc5 Bd7 12. Ne5 Bxe5 13. dxe5 b6 14. Qe3 Nc4 15. Qe4 N4xe5 16. Bf4 Ng4 17. Rxd7 Qxd7 18. Rd1 Qe8 19. Qxc6 Qxc6 20. Bxc6 1-0

[Event "COL-ch School U11"]
[Site "Sede"]
[Date "2011.??.??"]
[Round "1.12"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Moreno Piragauta, Ivan Mauricio"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1590"]
[BlackElo "1500"]
[PlyCount "21"]
[EventDate "2011.02.23"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 0-0 6. Bg5 h6 7. Bh4 Re8 8. Nd5 Re6 9. Nxf6+ Rxf6 10. Bxf6 Qxf6 11. 0-0 1-0

[Event "COL-ch School U11"]
[Site "Sede"]
[Date "2011.??.??"]
[Round "3.5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Rosado Perez, Maria Jose"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1590"]
[BlackElo "1965"]
[PlyCount "92"]
[EventDate "2011.02.23"]
[EventType "tourn"]
[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 a6 6. Be2 e5 7. Nb3 Be6 8. Be3 Be7 9. 0-0 0-0 10. f3 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. c4 Be6 14. Kh1 Nc6 15. Nc5 Qxd1 16. Rfxd1 Bxc5 17. Bxc5 Rfd8 18. b3 Rxd1+ 19. Rxd1 Rd8 20. Rxd8+ Nxd8 21. Bd3 f5 22. Kg1 Kf7 23. Kf2 Nc6 24. h3 g6 25. g4 Kf6 26. Kg3 g5 27. a4 f4+ 28. Kf2 h6 29. b4 a5 30. b5 Nd4 31. Bxd4 exd4 32. Ke2 b6 33. Kd2 Ke5 34. Kc2 Kd6 35. Kb2 Kc5 36. Kb3 Bc8 37. Be4 Kd6 38. Kc2 Be6 39. Kb2 Kc5 40. Kb3 Bxc4+ 41. Ka3 d3 42. Kb2 Kb4 43. Kc1 Kc3 44. Kd1 Bb3+ 45. Ke1 d2+ 46. Ke2 d1Q+ 0-1

[Event "COL-ch School U11"]
[Site "Sede"]
[Date "2011.??.??"]
[Round "4.8"]
[White "Perez V, Juan Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1635"]
[BlackElo "1590"]
[PlyCount "40"]
[EventDate "2011.02.23"]
[EventType "tourn"]
[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 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Na3 0-0 8. Nab5 Bb6 9. Nxc6 dxc6 10. Bxb6 cxb5 11. Bxc7 Qc6 12. Bg3 Qxe4+ 13. Be2 Nf5 14. 0-0 Nxg3 15. fxg3 a6 16. Rf4 Qe3+ 17. Kh1 Be6 18. Rf3 Qb6 19. Qc2 Rfe8 20. Re1 Rad8 1-0

[Event "COL-ch School U11"]
[Site "Sede"]
[Date "2011.??.??"]
[Round "2.5"]
[White "Torres Cueto, Jesus Marcial"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1913"]
[BlackElo "1590"]
[PlyCount "27"]
[EventDate "2011.02.23"]
[EventType "tourn"]
[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 Bc5 5. Nxc6 Qf6 6. Qd2 dxc6 7. Bd3 Ne7 8. Nc3 Be6 9. Qf4 Qxf4 10. Bxf4 0-0-0 11. f3 Ng6 12. Bg3 h5 13. h4 Ne7 14. 0-0-0 1/2-1/2

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.12"]
[Round "6"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "De Leon, Roberto"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "115"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. Qd2 d6 8. 0-0-0 Be6 9. Bxe6 fxe6 10. d4 exd4 11. Nxd4 Nxd4 12. Bxd4 e5 13. Be3 Ba5 14. f3 a6 15. a3 Qd7 16. b4 Bb6 17. Bxb6 cxb6 18. Qxd6 Qxd6 19. Rxd6 Nd7 20. Nd5 b5 21. Nc7+ Ke7 22. Rhd1 Nf6 23. Nxa8 Rxa8 24. Kb2 Rc8 25. Rb6 Rc7 26. Kb3 Kf7 27. Rbd6 Ke7 28. R6d3 Kf7 29. Rc3 Re7 30. Rd8 Ne8 31. Rdc8 Kf8 32. Rd3 Kf7 33. Rdd8 Kf8 34. c4 bxc4+ 35. Kxc4 Kf7 36. Rxe8 Rxe8 37. Rxe8 Kxe8 38. Kd5 Kd7 39. Kxe5 Ke7 40. f4 b6 41. g4 b5 42. h4 g6 43. g5 hxg5 44. hxg5 Kf7 45. Kd6 Ke8 46. e5 Kd8 47. e6 Ke8 48. e7 a5 49. bxa5 b4 50. axb4 Kf7 51. Kd7 Kg7 52. e8Q Kh7 53. Qf7+ Kh8 54. Qf6+ Kg8 55. a6 Kh7 56. a7 Kg8 57. a8R+ Kh7 58. Rh8# 1-0

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.12"]
[Round "5"]
[White "Torres Cueto, Jesus Marcial"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1920"]
[PlyCount "37"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. dxc6 bxc6 11. Re1 d5 12. Bd3 Bf5 13. Nd2 0-0 14. h3 Bg6 15. Bxe4 dxe4 16. Nxe4 Bxe4 17. Qxd8 Raxd8 18. Rxe4 Rd1+ 19. Kh2 1/2-1/2

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.11"]
[Round "4"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Virviescas Sanchez, Christian Stewart"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "39"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nc6 4. Bc4 Nf6 5. d3 Be7 6. Be3 Bd7 7. h3 h6 8. Qd2 0-0 9. 0-0-0 a6 10. Rdg1 b5 11. Bb3 Qb8 12. g4 g5 13. Nd5 Nxd5 14. Bxd5 a5 15. h4 Qd8 16. hxg5 hxg5 17. Nxg5 Bxg5 18. Bxg5 Qe8 19. Bf6 Be6 20. Rh8# 1-0

[Event "Central America-ch U10"]
[Site "Medellin"]
[Date "2010.12.09"]
[Round "1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Quinonez Garcia, Santiago"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1932"]
[PlyCount "62"]
[EventDate "2010.12.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qd7 12. Nxc6 bxc6 13. c3 Qc7 14. Qa4 Bd7 15. Bf4 e5 16. Bg3 Rab8 17. Qc2 Bf5 18. Qe2 Qb6 19. Bxe5 Rfe8 20. Qc4 Bxe5 21. Qxc6 Qxc6 22. Bxc6 Rec8 23. Bd5 Rxb2 24. c4 Bd3 25. Rfe1 Re2 26. Rxe2 Bxe2 27. Re1 Bxc4 28. Rc1 Ba6 29. Rxc8+ Bxc8 30. g3 Be6 31. Bxe6 fxe6 0-1

[Event "Bogota McGregor op 1st"]
[Site "Bogota"]
[Date "2010.12.05"]
[Round "5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Lozano Ramirez, Nestor Favian"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1877"]
[PlyCount "46"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 c6 6. Bc4 Bf5 7. Bd2 e6 8. a3 Nbd7 9. h3 Nb6 10. Ba2 Be7 11. 0-0 0-0 12. Re1 Rc8 13. Ne2 c5 14. c3 h6 15. Ng3 Bh7 16. dxc5 Bxc5 17. Be3 Bxe3 18. Rxe3 Nc4 19. Bxc4 Rxc4 20. Ne5 Rc5 21. c4 Qc7 22. Qe2 Nd7 23. b4 Rxe5 0-1

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.18"]
[Round "7.12"]
[White "Barajas, Ivan"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1662"]
[PlyCount "95"]
[EventDate "2010.10.15"]
[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 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d6 8. Nxc6 Bxe3 9. Qxe3 Nxc6 10. Bb5 Bd7 11. 0-0 a6 12. Bd3 Ne5 13. f4 Nxd3 14. Qxd3 0-0-0 15. Nd2 Bc6 16. Qd4 Qxd4+ 17. cxd4 f6 18. Rac1 Kb8 19. Rc2 Rhe8 20. d5 Bb5 21. Rf3 Be2 22. Rfc3 Re7 23. Kf2 Bh5 24. f5 g6 25. Rh3 Rde8 26. Rh4 Bd1 27. Rc1 Ba4 28. b3 Bb5 29. a4 g5 30. Rh3 Bd7 31. g4 c6 32. Rd3 cxd5 33. Rxd5 Bc6 34. Rxc6 bxc6 35. Rxd6 Rf7 36. Rxc6 Kb7 37. Rc4 Rc8 38. Kg3 Rxc4 39. Nxc4 Kc6 40. e5 h6 41. e6 Re7 42. h4 Kc5 43. hxg5 hxg5 44. Kf3 Kb4 45. Nd2 Kc3 46. Ke3 Rh7 47. Ne4+ Kxb3 48. Nxf6 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.17"]
[Round "5.12"]
[White "Guzman, Pedro Juan"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1600"]
[PlyCount "84"]
[EventDate "2010.10.15"]
[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. 0-0 Nf6 5. d3 d6 6. Be3 Bb6 7. c3 Bg4 8. Nbd2 0-0 9. h3 Be6 10. Bb3 h6 11. d4 Ne7 12. dxe5 dxe5 13. Bxb6 axb6 14. Bxe6 fxe6 15. Nxe5 Qd6 16. Nef3 e5 17. Qb3+ Kh8 18. Rad1 Ng6 19. Rfe1 Rae8 20. Nf1 Qc6 21. Ng3 Nf4 22. Nh4 Kh7 23. Qc2 g6 24. Rd2 N4h5 25. Nxh5 Nxh5 26. g3 Qe6 27. Kh2 Qxa2 28. Red1 Nf6 29. c4 Qa5 30. Ng2 Rf7 31. Ne3 c6 32. Ng4 Nxg4+ 33. hxg4 Ree7 34. Kg2 Kg7 35. f3 Kf6 36. Rd6+ Re6 37. Qd3 Rfe7 38. Rxe6+ Rxe6 39. Qd8+ Re7 40. Qf8+ Ke6 41. Qxh6 Kf6 42. g5+ Kf7 1-0

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.15"]
[Round "1.9"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Casas, Jose Fernando"]
[Result "0-1"]
[ECO "B74"]
[BlackElo "1917"]
[PlyCount "56"]
[EventDate "2010.10.15"]
[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. Be3 Bg7 7. Be2 Nc6 8. Nb3 Be6 9. 0-0 0-0 10. f4 Bxb3 11. axb3 a6 12. Bf3 Qc7 13. Qd2 Rac8 14. Rf2 Qd7 15. Raf1 e5 16. h3 Rcd8 17. Re2 exf4 18. Bxf4 Ne5 19. Bxe5 dxe5 20. Qxd7 Nxd7 21. Rd1 Nb8 22. Nd5 Nc6 23. c4 Nd4 24. Re3 f5 25. exf5 gxf5 26. Nb6 e4 27. Be2 f4 28. Bh5 fxe3 0-1

[Event "COL-chT"]
[Site "Bogota"]
[Date "2010.10.15"]
[Round "2.12"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Poveda, Julio Cesar"]
[Result "1/2-1/2"]
[ECO "B19"]
[BlackElo "1600"]
[PlyCount "61"]
[EventDate "2010.10.15"]
[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. h4 h6 7. h5 Bh7 8. Nf3 Nf6 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Nbd7 12. 0-0-0 Qb6 13. c4 0-0-0 14. Bc3 Bb4 15. c5 Qa5 16. Bxb4 Qxb4 17. Qb3 Qxb3 18. axb3 Nd5 19. Ne4 N7f6 20. Nd6+ Kc7 21. Nxf7 Ne4 22. Rhf1 Nf4 23. Rde1 Nd3+ 24. Kd1 Nxe1 25. Rxe1 Nxf2+ 26. Kd2 Rhf8 27. Nxd8 Rxd8 28. Rxe6 Ng4 29. Re7+ Rd7 30. Re1 Nf6 31. Rh1 1/2-1/2

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "7.1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Noguera, David"]
[Result "1-0"]
[ECO "B18"]
[BlackElo "1990"]
[PlyCount "46"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Be2 Bd6 8. Be3 Nf6 9. Bg5 c5 10. dxc5 Qa5+ 11. Nd2 Bxg3 12. fxg3 Qxc5 13. Nc4 Qb4+ 14. Bd2 Qc5 15. Be3 Qd5 16. Qxd5 exd5 17. Nd6+ Ke7 18. Nxb7 Bxc2 19. 0-0 Re8 20. Bc5+ Kd7 21. Bb5+ Kc7 22. Bxe8 Kxb7 23. Bxf7 Nbd7 1-0

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.04.01"]
[Round "8.1"]
[White "Salcedo Perez, Pablo Esteban"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "29"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. 0-0 Nf6 7. d3 h6 8. Nc3 0-0 9. Be3 Be7 10. Nd5 Bb7 11. Nxe7+ Qxe7 12. Nh4 Nxe4 13. Nf5 Qf6 14. dxe4 d6 15. Qg4 1-0

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.31"]
[Round "5.1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Dlaikan, Kevin"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "108"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. Be3 e6 7. Be2 Bb4 8. Qd2 Nxe4 9. Qd3 Nf6 10. 0-0 0-0 11. a3 Ne5 12. Bf4 Bxc3 13. Qxc3 Qxc3 14. bxc3 Nc6 15. Nf3 Nd5 16. Bd2 d6 17. Rab1 e5 18. Bc4 Nb6 19. Bd3 d5 20. Bb5 f5 21. Bxc6 bxc6 22. Nxe5 Bb7 23. f4 Rfe8 24. a4 a5 25. Rxb6 Ba6 26. Re1 c5 27. Kf2 c4 28. Rd6 Rad8 29. Rxd8 Rxd8 30. h3 d4 31. Nc6 Rd7 32. Nxd4 g6 33. Bc1 Bb7 34. Ba3 Be4 35. Rb1 Kg7 36. Rb2 Kh6 37. Kg3 Kh5 38. h4 h6 39. Kh3 g5 40. hxg5 hxg5 41. Ne2 Rh7 42. Kg3 Rg7 43. Kf2 Kg4 44. fxg5 Rxg5 45. Ng3 Ba8 46. Bd6 f4 47. Ne2 f3 48. gxf3+ Bxf3 49. Rb5 Rg6 50. Bb8 Rf6 51. Nd4 Bc6+ 52. Ke1 Bxb5 53. axb5 a4 54. Kd1 a3 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.31"]
[Round "6.1"]
[White "Mora Suarez, Juan Felipe"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C78"]
[PlyCount "65"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Nf6 7. 0-0 d6 8. d4 exd4 9. cxd4 Bb6 10. e5 dxe5 11. dxe5 Qxd1 12. Rxd1 Ng4 13. h3 Nxf2 14. Rf1 Nxh3+ 15. Kh2 Nf2 16. Nc3 0-0 17. Nd5 Bc5 18. Be3 Bxe3 19. Nxe3 Nd3 20. Rab1 Ndxe5 21. Bd5 Nxf3+ 22. Bxf3 Bd7 23. Rbd1 Rad8 24. Rg1 Ne5 25. Bb7 a5 26. Nd5 c6 27. Nc7 Bg4 28. Rxd8 Rxd8 29. Re1 f6 30. Rf1 Rd7 31. Bxc6 Nxc6 32. Nxb5 Rb7 33. a4 0-1

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "3.1"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Duran Barraza, Mateo Andres"]
[Result "1-0"]
[ECO "B74"]
[PlyCount "59"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 a6 9. f4 Bd7 10. Bf3 Nc6 11. Nb3 b5 12. Ne2 Rb8 13. Ng3 a5 14. a3 a4 15. Nd4 Re8 16. Rf2 Qc8 17. c3 Na5 18. Qd2 Bg4 19. e5 dxe5 20. fxe5 Nh5 21. Nxh5 gxh5 22. Bxg4 hxg4 23. Bf4 Rb6 24. Raf1 Qd7 25. Bg3 Rf8 26. e6 fxe6 27. Rxf8+ Bxf8 28. Qg5+ Bg7 29. Be5 Qe8 30. Qxg7# 1-0

[Event "COL-ch U12"]
[Site "Bogota"]
[Date "2010.03.30"]
[Round "4.1"]
[White "Juez, Henry David"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C52"]
[WhiteElo "2032"]
[PlyCount "43"]
[EventDate "2010.03.29"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. 0-0 Nf6 8. Qe2 0-0 9. Bb2 Bg4 10. Nbd2 Re8 11. Rfe1 Qd7 12. Qd3 Rad8 13. Ng5 Re7 14. h3 Bh5 15. Re3 h6 16. Ngf3 Rde8 17. Nh4 d5 18. exd5 Nxd5 19. Rg3 Nf4 20. Qe4 Ng6 21. Nxg6 Bxg6 22. Qxg6 1-0

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.18"]
[Round "7"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Pabon Sarmiento, Juan Pablo"]
[Result "0-1"]
[ECO "B92"]
[BlackElo "1991"]
[PlyCount "88"]
[EventDate "2009.12.15"]
[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 a6 6. Be2 e5 7. Nb3 Be6 8. Be3 Be7 9. 0-0 0-0 10. f4 b5 11. Bf3 b4 12. Nd5 Bxd5 13. exd5 e4 14. Be2 Nbd7 15. Qd2 Nb6 16. c4 bxc3 17. bxc3 Nbxd5 18. Bd4 Re8 19. Bxf6 Nxf6 20. Nd4 Bf8 21. Nf5 Qb6+ 22. Kh1 e3 23. Qe1 Ne4 24. Rf3 Nf2+ 25. Kg1 g6 26. Rg3 Ne4 27. Rg4 h5 28. Rh4 gxf5 29. Rxh5 Qb2 30. Rd1 Nxc3 31. Qh4 Nxe2+ 32. Kh1 Nxf4 33. Qxf4 Qf2 34. Qd4 Bg7 35. Rg5 Re5 36. Qxd6 e2 37. Rxg7+ Kxg7 38. Qxe5+ Kg6 39. Rg1 Rd8 40. Qa1 Qxg1+ 41. Kxg1 Rd1+ 42. Kf2 Rxa1 43. Kxe2 Rxa2+ 44. Kf3 Rb2 0-1

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "3"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Perez V, Juan Esteban"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "43"]
[EventDate "2009.12.15"]
[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 e6 6. Bc4 Be7 7. Be3 0-0 8. 0-0 a6 9. Re1 b5 10. Be2 Bb7 11. Qd3 Nbd7 12. b4 Ne5 13. Qd2 Nxe4 14. Nxe4 Bxe4 15. f4 Nc6 16. Nf3 d5 17. Qc3 Rc8 18. a3 Bxf3 19. Bxf3 Bf6 20. Qd3 Bxa1 21. Rxa1 d4 22. Bd2 0-1

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "4"]
[White "Marquez, Luis1111"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "39"]
[EventDate "2009.12.15"]
[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. 0-0 Nf6 5. Ng5 0-0 6. Nc3 h6 7. Nf3 d6 8. Nd5 Bg4 9. Be2 Nxe4 10. d3 Nf6 11. Nxf6+ Qxf6 12. h3 Bh5 13. Ne1 Bxe2 14. Qxe2 Qe6 15. c4 Nd4 16. Qe3 Nc2 17. Qd2 Nxa1 18. b4 Bd4 19. Bb2 Bxb2 20. Qxb2 0-1

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "1"]
[White "Gomez, Juan Andres"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1995"]
[PlyCount "41"]
[EventDate "2009.12.15"]
[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. d3 h6 5. Be3 d5 6. exd5 Nxd5 7. Nxd5 Qxd5 8. c4 Qd6 9. Be2 Be7 10. 0-0 Be6 11. a3 0-0 12. Qd2 Bd7 13. Qc3 f5 14. c5 Qe6 15. d4 e4 16. Bc4 exf3 17. Bxe6+ Bxe6 18. gxf3 f4 19. Bd2 Bd5 20. Qd3 Rad8 21. Rfd1 1-0

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "6"]
[White "Gomez Perez, Jaidor S"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "28"]
[EventDate "2009.12.15"]
[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 Bc5 5. Be3 Qh4 6. Qd3 Nb4 7. Qc4 d6 8. Nf3 Qf6 9. e5 Qf5 10. Bd3 Nxd3+ 11. cxd3 Bxe3 12. fxe3 Ne7 13. e4 Qd7 14. Nc3 dxe5 1/2-1/2

[Event "COL-ch U10"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "5"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Rodriguez G, Juan David"]
[Result "1-0"]
[ECO "C57"]
[BlackElo "1968"]
[PlyCount "17"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Qe7 5. Nxf7 Rg8 6. Ng5 d6 7. Bxg8 Bg4 8. f3 Bh3 9. Nc3 1-0

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.09"]
[Round "7"]
[White "Gonzalez Ahumada, Andres Javier"]
[Black "Salcedo Perez, Pablo Esteban"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "14"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. Ng5 Ne5 5. Bb3 Bg7 6. Nc3 Nf6 7. 0-0 b5 0-1

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.08"]
[Round "4"]
[White "Suarez, Julio"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "42"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Qa4+ Nc6 5. Nc3 Be7 6. e3 Nf6 7. Nf3 0-0 8. Bb5 Bd7 9. 0-0 a6 10. Bd3 b5 11. Qb3 Be6 12. e4 dxe4 13. Qd1 exf3 14. Qxf3 Nxd4 15. Qd1 b4 16. Na4 Qd6 17. Be3 Ng4 18. g3 Bh4 19. Bf4 Qe7 20. gxh4 Qxh4 21. f3 Nf6 0-1

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.07"]
[Round "1"]
[White "Carvajal Barreto, Johan Sebastian"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2014"]
[PlyCount "21"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. d3 a6 5. Bxc6+ bxc6 6. Nc3 e5 7. Bg5 Be7 8. Bxe7 Qxe7 9. Qd2 Nf6 10. 0-0-0 Rb8 11. b3 0-1

[Event "Pan American-ch Schools U09"]
[Site "Columbia"]
[Date "2009.10.07"]
[Round "2"]
[White "Quinonez Garcia, Santiago"]
[Black "Gonzalez Ahumada, Andres Javier"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1891"]
[PlyCount "41"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. c4 e5 8. Qd2 Nf6 9. Nc3 Be7 10. b3 0-0 11. 0-0 Bg4 12. Qd3 Qb6 13. Bb2 Be6 14. Rad1 Rad8 15. h3 h6 16. Rfe1 Kh8 17. Qe2 Kg8 18. Qe3 Kh8 19. c5 Qxc5 20. Qxc5 dxc5 21. Nxe5 1-0

