[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.07"]
[Round "9"]
[White "Obando Mayorga, Juan Diego"]
[Black "Borda, Cesar Armando"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "102"]
[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. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. d3 Bb4 9. Bd2 Bg4 10. 0-0 0-0 11. h3 Bxf3 12. Qxf3 Qd6 13. a3 Bxc3 14. Bxc3 Rad8 15. Rfe1 Qd5 16. Qxd5 Rxd5 17. Re2 h6 18. Rae1 Re8 19. f4 f6 20. b4 a6 21. Bb2 Re6 22. c4 Rxd3 23. b5 Nd4 24. Bxd4 Rxd4 25. bxa6 bxa6 26. fxe5 fxe5 27. Rxe5 Rxe5 28. Rxe5 Rxc4 29. Ra5 Rc6 30. a4 Kf7 31. Kf2 Ke7 32. Ke3 Kd6 33. Kd4 Rb6 34. Kc4 Kc6 35. g4 Kb7 36. Kc5 Re6 37. Kb4 Re3 38. h4 Rh3 39. h5 Rh4 40. Ka3 Rxg4 41. Re5 Rg5 42. Re7 Rxh5 43. Rxg7 Rh3+ 44. Kb4 h5 45. a5 h4 46. Rg4 Rh1 47. Rg5 h3 48. Rh5 h2 49. Kc4 Rc1+ 50. Kb4 h1Q 51. Rxh1 Rxh1 0-1

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.06"]
[Round "8"]
[White "Esguerra Gonzalez, Juan Pablo"]
[Black "Obando Mayorga, Juan Diego"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "70"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Nxc6 bxc6 7. Bg5 Bb4 8. Qd2 Qa5 9. Bxf6 gxf6 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 Rb8 13. Bd3 Rg8 14. 0-0 Ke7 15. Rab1 Rxb1 16. Rxb1 h5 17. Rb8 Re8 18. c4 h4 19. h3 Ba6 20. Rxe8+ Kxe8 21. c5 Bxd3 22. cxd3 d5 23. cxd6 Kd7 24. Kf1 Kxd6 25. Ke2 f5 26. exf5 exf5 27. Ke3 Ke6 28. Kf4 Kd5 29. Kxf5 Kd4 30. f4 Kxd3 31. Kf6 c5 32. f5 c4 33. Kxf7 c3 34. f6 c2 35. Kg8 c1Q 0-1

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "7"]
[White "Obando Mayorga, Juan Diego"]
[Black "Caldera, Humberto De Jesus"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "62"]
[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. Bc4 Be7 4. Nc3 Nf6 5. d3 d6 6. h3 0-0 7. 0-0 Bd7 8. Bg5 h6 9. Bh4 a6 10. Re1 b5 11. Bb3 Na5 12. Bd5 Nxd5 13. Bxe7 Nxc3 14. Bxd8 Nxd1 15. Be7 Rfe8 16. Rexd1 Rxe7 17. b4 Nc6 18. c4 bxc4 19. dxc4 Nxb4 20. Rdc1 Nd3 21. Rc3 Nb2 22. c5 Na4 23. cxd6 cxd6 24. Rcc1 Bc6 25. Rxc6 Nc5 26. Re1 Rd7 27. Rb6 Rb7 28. Rxd6 Rab8 29. Red1 Rb4 30. Nxe5 Re8 31. Nc6 Rbxe4 1/2-1/2

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.05"]
[Round "6"]
[White "Obando Mayorga, Juan Diego"]
[Black "Gomez Guardo, Cristian"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "81"]
[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. Bc4 h6 4. Nc3 Nf6 5. d3 Bc5 6. 0-0 0-0 7. h3 d6 8. Be3 Bb6 9. Re1 Bd7 10. d4 exd4 11. Nxd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 c5 14. Qd3 Bc6 15. Bd5 Bxd5 16. exd5 Re8 17. Nb5 a6 18. Rxe8+ Qxe8 19. Nc7 Qb8 20. Nxa8 Qxa8 21. Re1 b5 22. Rd1 c4 23. Qd2 Qa7 24. b3 Ne4 25. Qe1 Nf6 26. bxc4 bxc4 27. Qb4 Ne4 28. Qe1 Nf6 29. Qe2 Qc5 30. Qe3 Qxe3 31. fxe3 Kf8 32. Rd4 Ke7 33. e4 c3 34. Rc4 g5 35. Kf2 g4 36. Ke3 gxh3 37. gxh3 h5 38. Rxc3 Nh7 39. Rc7+ Kf6 40. Rc6 Ke5 41. Rxa6 1-0

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "5"]
[White "Aristizabal Sanchez, Alejandro"]
[Black "Obando Mayorga, Juan Diego"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "21"]
[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. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Bxc6 Bxc6 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nxe5 Nxe4 10. Nxc6 bxc6 11. Nxe4 1-0

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.04"]
[Round "4"]
[White "Obando Mayorga, Juan Diego"]
[Black "Garces Zapata, Santiago"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "117"]
[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. Bc4 Nf6 4. Nc3 Bc5 5. h3 0-0 6. d3 h6 7. 0-0 b6 8. Be3 Bd6 9. Re1 Bb7 10. d4 exd4 11. Bxd4 Nxd4 12. Nxd4 Re8 13. Qd3 Qe7 14. f3 Qe5 15. Re3 Qh2+ 16. Kf2 Bg3+ 17. Ke2 Qxg2+ 18. Kd1 Qg1+ 19. Kd2 Qxa1 20. Qf1 Qxf1 21. Bxf1 Re5 22. Re2 Bf4+ 23. Kd1 Ba6 24. Re1 Bxf1 25. Rxf1 c5 26. Nde2 Nh5 27. Nd5 Ng3 28. Nxg3 Bxg3 29. Nc7 Rc8 30. Nd5 Rh5 31. Ne7+ Kf8 32. Nxc8 a6 33. Nxb6 Rxh3 34. Nxd7+ Kg8 35. Nxc5 Rh5 36. Nxa6 Ra5 37. Nb4 Bd6 38. a3 Bxb4 39. axb4 Ra2 40. b3 h5 41. b5 Ra5 42. b6 Rb5 43. Rh1 g6 44. f4 Rxb6 45. Rh4 Rb4 46. e5 Rb5 47. Kc1 Kf8 48. Kb2 Ke7 49. c4 Rb7 50. Kc3 Kd7 51. b4 Ra7 52. c5 Kc6 53. Kc4 Ra4 54. f5 gxf5 55. Rxh5 f4 56. Rh6+ Kc7 57. Rf6 Kb7 58. Rxf7+ Kc6 59. Rxf4 1-0

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.03"]
[Round "3"]
[White "Espinal Ospina, Juan Manuel"]
[Black "Obando Mayorga, Juan Diego"]
[Result "1-0"]
[ECO "C62"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Be3 a6 7. Ba4 b5 8. Bb3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Ng5 h6 12. Nf3 Nxe4 13. Nd5 Be7 14. Qe2 0-0 15. 0-0-0 f5 16. Nb6+ Kh8 17. Nxa8 Qxa8 18. Bd5 f4 19. Bd2 Nf6 20. Bb3 Nxd4 21. Nxd4 exd4 22. Qxe7 Re8 23. Qxc7 d3 24. c3 b4 25. Qxd6 bxc3 26. Bxc3 Rd8 27. Qxf4 Qc8 28. Qf3 d2+ 29. Rxd2 Rxd2 30. Kxd2 Qd8+ 31. Kc1 Be4 32. Bxf6 1-0

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "1"]
[White "Caceres Vicente, Gustavo A"]
[Black "Obando Mayorga, Juan Diego"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "87"]
[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. Bc4 h6 4. d4 exd4 5. Nxd4 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Bxd5 cxd5 9. Qxd5 Rb8 10. 0-0 Bb7 11. Qd4 Be7 12. e6 0-0 13. exd7 Ba6 14. Rd1 Bf6 15. Qxa7 Ra8 16. Qc5 Rb8 17. c3 Bb5 18. Bf4 Rc8 19. Qxb5 Rb8 20. Qe2 Rb7 21. Na3 c6 22. Qg4 Rxb2 23. Bxh6 Qb6 24. Qf3 Qa5 25. Nc4 Qa8 26. Nxb2 Rd8 27. Rd6 Qa3 28. Rxf6 Qxb2 29. Re1 Qb8 30. Qg3 Qxg3 31. fxg3 gxf6 32. Re8+ Rxe8 33. dxe8Q+ Kh7 34. Qf8 Kg6 35. Qg7+ Kf5 36. g4+ Ke6 37. g5 fxg5 38. Bxg5 Kd6 39. Qf6+ Kc5 40. Qd4+ Kb5 41. a4+ Ka6 42. Qd7 Kb6 43. Be3+ Ka5 44. Qa7# 1-0

[Event "Pan American-ch U10"]
[Site "Medellin"]
[Date "2007.07.02"]
[Round "2"]
[White "Obando Mayorga, Juan Diego"]
[Black "Del Valle, Juan Pablo"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "60"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 Nbd7 6. e5 dxe5 7. dxe5 Nh5 8. g4 h6 9. Be3 b6 10. gxh5 Bb7 11. Bg2 g5 12. Bd4 e6 13. Qd3 g4 14. Nh4 Bxg2 15. Nxg2 Qc8 16. 0-0-0 Qb7 17. Rhg1 c5 18. Be3 0-0-0 19. Qe4 Qa6 20. Qxg4 Bxe5 21. Qe2 Qb7 22. Bf4 Bxc3 23. bxc3 Rhg8 24. Ne3 Nf6 25. Bxh6 Rxd1+ 26. Qxd1 Rd8 27. Qe1 Qa6 28. Bg5 Qxa2 29. Nd5 Rxd5 30. Qd2 Qa1# 0-1

