[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Portillo Sosa, Jair"]
[Black "Rubio, Ramos Becquer Isaac"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "97"]
[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. d4 d5 2. Nf3 Bg4 3. e3 Nf6 4. h3 Bh5 5. Be2 e6 6. Nc3 c6 7. 0-0 Bd6 8. Bd2 0-0 9. a3 Nbd7 10. Re1 Re8 11. b4 e5 12. dxe5 Nxe5 13. Nxe5 Rxe5 14. Bxh5 Rxh5 15. Ne2 Re5 16. Bc3 Re8 17. Nf4 Ne4 18. Bb2 Be5 19. Bxe5 Rxe5 20. Qd4 Re8 21. f3 Nd6 22. g4 Nb5 23. Qb2 Qc7 24. a4 Nd6 25. Nh5 f6 26. Nf4 Nc4 27. Qd4 Qe5 28. Qxe5 Rxe5 29. Ng2 Rae8 30. Kf2 Kf7 31. f4 R5e7 32. c3 Nd2 33. Ke2 Nc4 34. Kf2 h6 35. h4 Nd2 36. Ke2 Ne4 37. Kd3 Nf2+ 38. Ke2 Nxg4 39. Kf3 f5 40. b5 Nf6 41. bxc6 bxc6 42. a5 Ne4 43. Ra3 Nd2+ 44. Kf2 Nc4 45. Ra2 Nd6 46. a6 Ne4+ 47. Kf3 Rb8 48. Rc1 Rb3 49. Ne1 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Espinoza Apolo, Leinier"]
[Black "Portillo Sosa, Jair"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "82"]
[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. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 c6 5. a3 d5 6. c5 Be7 7. Nf3 Nbd7 8. Bd3 h6 9. 0-0 0-0 10. b4 b6 11. Bb2 Ne4 12. Rc1 Qc7 13. Re1 Bb7 14. h3 Rae8 15. Qe2 Bf6 16. Qc2 b5 17. Red1 Rf7 18. Nd2 Ref8 19. Nf3 Be7 20. Ne2 Rd8 21. Ra1 Ng5 22. Nxg5 Bxg5 23. Qd2 Be7 24. a4 a6 25. a5 Nf6 26. Rac1 Rdf8 27. Nf4 Bc8 28. Be2 Kh7 29. Nd3 Nd7 30. Bc3 Qb7 31. Rc2 Bd8 32. Rdc1 Be7 33. Ne5 Nxe5 34. dxe5 Qb8 35. f4 g6 36. Bd4 Rg7 37. Bf3 g5 38. g4 gxf4 39. exf4 Bd8 40. Kh2 fxg4 41. Bxg4 Qc7 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Rojas Salas, Steven"]
[Black "Portillo Sosa, Jair"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "64"]
[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 e6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nc6 5. Bb5 Bd7 6. d4 Bd6 7. Be3 Nge7 8. Qd2 a6 9. Bd3 Nf5 10. c3 Nxe3 11. Qxe3 Ne7 12. Qg5 Ng6 13. Qxd8+ Rxd8 14. 0-0 h6 15. Rac1 0-0 16. c4 Nf4 17. Nxd6 cxd6 18. Rc3 Nxd3 19. Rxd3 b5 20. c5 b4 21. Rb3 dxc5 22. dxc5 Bb5 23. Rc1 a5 24. c6 Rde8 25. c7 Bd7 26. Rd3 Bb5 27. Rd6 Kh7 28. Ne5 f6 29. Nd7 Bxd7 30. Rxd7 Kg6 31. Rc5 Ra8 32. Re7 e5 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Portillo Sosa, Jair"]
[Black "Tobar Beltran, Jorge Esteban"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "70"]
[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. d4 f5 2. c4 e6 3. e3 d5 4. Nf3 c6 5. Nc3 Nf6 6. b3 Nbd7 7. Be2 Ne4 8. Nxe4 fxe4 9. Nd2 Bd6 10. c5 Bc7 11. Bh5+ g6 12. Be2 0-0 13. 0-0 Qh4 14. h3 e5 15. Bb2 b5 16. Bg4 exd4 17. Be6+ Kh8 18. Bxd4+ Nf6 19. Bxc8 Raxc8 20. Qc2 Kg7 21. Bxf6+ Rxf6 22. Qb2 Rcf8 23. f4 exf3 24. Nxf3 Qh5 25. Rae1 g5 26. Nd2 Qg6 27. Rxf6 Qxf6 28. Qxf6+ Rxf6 29. Rf1 Rxf1+ 30. Nxf1 Ba5 31. a3 Bc3 32. g4 b4 33. axb4 Bxb4 34. Kf2 Bxc5 35. Ke2 Kf7 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Sequera Morales, Jose David"]
[Black "Portillo Sosa, Jair"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "19"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Nge7 7. Bd3 Nf5 8. Be3 Be7 9. 0-0 0-0 10. Nc3 1/2-1/2

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Portillo Sosa, Jair"]
[Black "Landa Medrano, Gabriel Aaron"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "73"]
[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. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. Bc4 c6 6. 0-0 Nbd7 7. b3 0-0 8. Bb2 Qc7 9. Nbd2 Re8 10. Re1 e5 11. dxe5 dxe5 12. c3 h6 13. Qe2 c5 14. e4 b6 15. Red1 Bb7 16. h3 Rad8 17. Nh2 Nb8 18. Ng4 Nxg4 19. Qxg4 Nc6 20. Qe2 Rd7 21. Nf3 Red8 22. a3 a6 23. Bd3 Kf8 24. Rd2 Na5 25. b4 Nb3 26. Rad1 Nxd2 27. Rxd2 cxb4 28. axb4 Kg8 29. Qd1 Kh8 30. Qe2 f6 31. Nh4 Rd6 32. Ba3 Qd7 33. b5 Rxd3 34. Rxd3 Qxd3 35. Qg4 Qd1+ 36. Kh2 Qxg4 37. hxg4 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "2"]
[White "Ayala Davila, Francisco"]
[Black "Portillo Sosa, Jair"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "122"]
[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. d4 e6 2. Nf3 d5 3. Bg5 f6 4. Bh4 Bd6 5. e3 Bd7 6. Bd3 Ne7 7. Nbd2 Nbc6 8. c3 Ng6 9. Bg3 Qe7 10. Bxd6 cxd6 11. Qc2 f5 12. 0-0 0-0 13. Rfe1 Rac8 14. h3 Nb4 15. Qb1 Nxd3 16. Qxd3 a6 17. Rad1 Bb5 18. Qc2 Qd7 19. Rc1 Qc7 20. Ng5 Rf6 21. Ngf3 h6 22. a4 Bd7 23. Qb3 Bc6 24. c4 dxc4 25. Qxc4 d5 26. Qc5 Qd7 27. Qb4 Rff8 28. b3 Rc7 29. Rc2 Rfc8 30. Rec1 Qe7 31. Qxe7 Rxe7 32. b4 Rce8 33. a5 Kf7 34. Ra1 Bb5 35. Rac1 Bc6 36. Nb3 Ba4 37. Rb2 Bxb3 38. Rxb3 Kf6 39. Rbc3 Kf7 40. Rc7 Rxc7 41. Rxc7+ Re7 42. Rxe7+ Kxe7 43. Nd2 Nf8 44. Nb3 Nd7 45. Kh2 g5 46. Kg3 Kd6 47. h4 Kc6 48. Na1 Kb5 49. Nc2 Kc4 50. f4 g4 51. Kf2 Kc3 52. Ne1 Kxb4 53. Ke2 Kxa5 54. Kd2 Kb4 55. Kc2 Ka3 56. Nd3 a5 57. g3 h5 58. Kc3 Ka4 59. Nb2+ Kb5 60. Kb3 Nb6 61. Ka2 Kb4 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Esmeraldas Huachi, Anderson Yahir"]
[Black "Portillo Sosa, Jair"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "46"]
[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. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 d6 6. e3 0-0 7. Be2 Nbd7 8. 0-0 b6 9. Qc2 Bb7 10. Rfd1 h6 11. Bxf6 Nxf6 12. Rdc1 Ne4 13. d5 Nxc3 14. bxc3 e5 15. Nd2 Bf6 16. e4 f4 17. Bg4 Bc8 18. Bxc8 Rxc8 19. Nf3 Qe7 20. Ne1 a5 21. Nf3 Bg5 22. Qe2 a4 23. Ne1 Ra8 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Portillo Sosa, Jair"]
[Black "Cotes Ontibon, Juan Sebastian"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "43"]
[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. d4 d5 2. Nf3 Nc6 3. e3 Bg4 4. h3 Bf5 5. Bd3 Bxd3 6. cxd3 e6 7. Nc3 Bb4 8. a3 Bxc3+ 9. bxc3 Nf6 10. Ne5 Nxe5 11. dxe5 Nd7 12. d4 Nb6 13. 0-0 Qd7 14. Rb1 0-0-0 15. Qc2 Qa4 16. Qxa4 Nxa4 17. Bb2 Nxb2 18. Rxb2 Kd7 19. Rxb7 Ra8 20. Rfb1 Rhb8 21. Rxb8 Rxb8 22. Rxb8 1-0

