[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.07"]
[Round "9"]
[White "Leon Calderon, Jonathan Francisco"]
[Black "Calderon Vallejo, Jonathan"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2079"]
[BlackElo "2031"]
[PlyCount "121"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Ng1 Ng8 3. b3 d5 4. Bb2 Nc6 5. e3 e5 6. Bb5 Bd6 7. f4 f6 8. fxe5 Bxe5 9. Bxe5 fxe5 10. Bxc6+ bxc6 11. Qh5+ Kf8 12. Qxe5 Qh4+ 13. g3 Qf6 14. Qxf6+ Nxf6 15. Nf3 Bh3 16. Ke2 Bg2 17. Rg1 Bxf3+ 18. Kxf3 Ke7 19. Nc3 Rhf8 20. Kg2 Kd6 21. Rgf1 c5 22. Rae1 Rae8 23. a4 a6 24. d3 Ng4 25. Rxf8 Rxf8 26. Nd1 c4 27. h3 Nh6 28. dxc4 dxc4 29. e4 cxb3 30. cxb3 Ke5 31. Nf2 Nf7 32. Rc1 Rc8 33. Rc6 Nd6 34. Rxa6 Nxe4 35. Nxe4 Kxe4 36. Re6+ Kd4 37. Rc6 Kd5 38. Rc3 c5 39. Kf3 Rb8 40. Rd3+ Ke5 41. Ke3 c4 42. bxc4 Rb4 43. a5 Rxc4 44. Ra3 Rc7 45. a6 Ra7 46. Ra5+ Ke6 47. Ke4 Kd6 48. g4 Kc6 49. g5 Kb6 50. Ra3 Re7+ 51. Kf5 Ka7 52. Ra5 Re8 53. h4 Rc8 54. Ke6 Rc7 55. Ra3 g6 56. Ra4 Rg7 57. Rf4 Kxa6 58. Rf7 Rg8 59. Rxh7 Rf8 60. Rf7 Rh8 61. Rf4 1-0

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.06"]
[Round "8"]
[White "Calderon Vallejo, Jonathan"]
[Black "Guerrero Fandino, Gustavo A"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2031"]
[PlyCount "51"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qd2 Nf6 7. Nc3 Bg4 8. Be2 e6 9. b3 Be7 10. Bb2 0-0 11. 0-0 Qc7 12. Nd4 Rad8 13. Bxg4 Nxg4 14. h3 Nf6 15. Nde2 Rfe8 16. Ng3 Qa5 17. Rad1 b5 18. cxb5 axb5 19. Qe2 b4 20. Na4 d5 21. exd5 exd5 22. Nf5 Qc7 23. Qf3 Ne5 24. Qg3 Bf8 25. Bxe5 Qxe5 26. Nh6+ 1-0

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "6"]
[White "Calderon Vallejo, Jonathan"]
[Black "Reyes Rios, Juan Camilo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2031"]
[PlyCount "61"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Bg4 5. Nge2 e6 6. h3 Bh5 7. g4 Bg6 8. e5 Nd5 9. Nxd5 exd5 10. Bxd5 Qc7 11. f4 h5 12. f5 Bh7 13. d4 cxd4 14. Qxd4 dxe5 15. Qe4 Nc6 16. Bxc6+ bxc6 17. Bf4 Bd6 18. 0-0-0 0-0 19. Be3 Rfd8 20. Bg5 f6 21. Be3 Rab8 22. gxh5 Qa5 23. Kb1 Rb4 24. Qxc6 Rdb8 25. Bc1 Bf8 26. Rd5 Qa3 27. b3 Rxb3+ 28. cxb3 Rxb3+ 29. Ka1 Qb4 30. axb3 Bxf5 31. Qc4 1-0

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "7"]
[White "Meza Ponce, Jeison"]
[Black "Calderon Vallejo, Jonathan"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2222"]
[BlackElo "2031"]
[PlyCount "63"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bg4 7. Bd2 Qc7 8. h3 Bxf3 9. Qxf3 e6 10. 0-0-0 Nbd7 11. Rhe1 0-0-0 12. Bb3 Bd6 13. Kb1 h6 14. Be3 Nb6 15. Ne4 Nxe4 16. Qxe4 Nd5 17. Bc1 Bb4 18. Re2 c5 19. dxc5 Qxc5 20. Bxd5 exd5 21. Qg4+ Kb8 22. Qxg7 Rhg8 23. Qxh6 Rxg2 24. Bf4+ Ka8 25. Bg3 Qb5 26. Qf6 Rc8 27. Re3 d4 28. Qxd4 Bc5 29. Qg4 Rh8 30. Qg7 Rf8 31. Qe5 Rc8 32. Rc3 1-0

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "4"]
[White "Calderon Vallejo, Jonathan"]
[Black "Pulvett Marin, Daniel Eduardo"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2031"]
[PlyCount "56"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 e5 8. Qd3 Be7 9. 0-0 h6 10. b3 Nf6 11. a4 Qc8 12. Ba3 Nh5 13. Ne2 Qg4 14. Nd2 0-0 15. h3 Qg6 16. f4 exf4 17. Nxf4 Nxf4 18. Rxf4 Bg5 19. Rf2 Bf6 20. Raf1 Be5 21. Rf5 Rad8 22. Nc4 Rfe8 23. Nxe5 dxe5 24. Qc4 Rd2 25. Qxf7+ Qxf7 26. Rxf7 Bxe4 27. R1f2 Rxf2 28. Rxf2 Rc8 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "5"]
[White "Lombana, Juan Camilo"]
[Black "Calderon Vallejo, Jonathan"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "2031"]
[PlyCount "59"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. f4 Bd7 6. Nf3 Bb5 7. Bxb5+ Qxb5 8. Na3 Qa6 9. Nc2 Nd7 10. Kf2 Ne7 11. h3 Nc6 12. Be3 cxd4 13. cxd4 Nb6 14. b3 Nb4 15. Nxb4 Bxb4 16. Qe2 Qxe2+ 17. Kxe2 Rc8 18. Rac1 Ke7 19. Rxc8 Rxc8 20. Rc1 Rxc1 21. Bxc1 Na8 22. Bd2 Ba3 23. g4 Nc7 24. f5 Nb5 25. Kd3 f6 26. Be3 Bb4 27. Bd2 Bxd2 28. Kxd2 Nc7 29. Ke3 b5 30. a3 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.03"]
[Round "3"]
[White "Heredia, Esteban"]
[Black "Calderon Vallejo, Jonathan"]
[Result "0-1"]
[ECO "C08"]
[BlackElo "2031"]
[PlyCount "24"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 c4 5. exd5 exd5 6. c3 Nc6 7. b3 b5 8. a4 b4 9. cxb4 c3 10. Nb1 Bxb4 11. Bb5 c2+ 12. Bd2 cxd1Q+ 0-1

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "2"]
[White "Calderon Vallejo, Jonathan"]
[Black "Hurtado, David Alejandro"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2031"]
[PlyCount "51"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qe7 6. Nc3 d6 7. Nxc6 bxc6 8. Bxc5 dxc5 9. Bc4 Nf6 10. Qe2 0-0 11. 0-0 Bg4 12. f3 Bh5 13. Rad1 Bg6 14. Rd2 Nd7 15. Rfd1 Rad8 16. f4 h6 17. Bb3 Rfe8 18. Qg4 Nf6 19. Qxg6 c4 20. Qf5 cxb3 21. axb3 Rxd2 22. Rxd2 g6 23. Qa5 a6 24. e5 Nd7 25. Ne4 f5 26. Rxd7 1-0

[Event "Pan American-ch U16"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "1"]
[White "Mendez Rivera, Anderson Heribert"]
[Black "Calderon Vallejo, Jonathan"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2031"]
[PlyCount "45"]
[EventDate "2007.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Bc5 7. Re1 Bb7 8. c3 d6 9. d4 Bb6 10. Bg5 Qd7 11. a4 0-0-0 12. axb5 axb5 13. Na3 h6 14. Bxf6 gxf6 15. Nxb5 Rdg8 16. Bd5 Qh3 17. g3 h5 18. Bxf7 Rg7 19. Qb3 Nd8 20. Bd5 Kd7 21. Nxd6 h4 22. Bxb7 hxg3 23. Bc8+ 1-0

