[Event "Pan American-ch U12"]
[Site "Oaxtepec"]
[Date "2014.07.15"]
[Round "8"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Barragan Marquez, Sebastia"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "54"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. Bg5 Nbd7 6. cxd5 cxd5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bb4 10. 0-0 0-0 11. a3 Be7 12. Rac1 a6 13. Ne2 Ne4 14. Bxe7 Qxe7 15. Rc7 Nd6 16. Ne5 Nxe5 17. Rxe7 Nxd3 18. b3 Rfc8 19. Rd1 Rc2 20. Kf1 Nb2 21. Rb1 Ne4 22. Re1 Nd2+ 23. Kg1 Nxb3 24. Rxb7 Na5 25. Rb4 Nd3 26. Rbb1 Nxe1 27. Rxe1 Rb8 0-1

[Event "Pan American-ch U12"]
[Site "Oaxtepec"]
[Date "2014.07.13"]
[Round "4"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Cruz Altamirano, Andres Joaquin"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "40"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Nbd7 7. Be3 Nb6 8. a4 a5 9. Be2 e6 10. Nd2 e5 11. d5 Ne8 12. 0-0 f5 13. f3 f4 14. Bf2 Nd7 15. g4 fxg3 16. Bxg3 Ndf6 17. Kh2 Qd7 18. Kg2 Qxh3+ 19. Kf2 Ng4+ 20. Kg1 Qxg3+ 0-1

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.31"]
[Round "9.19"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Tobar Beltran, Carlos Andres"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "39"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 c6 5. e3 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Qc2 Ne4 9. Nd2 Rf6 10. cxd5 exd5 11. f3 Nxd2 12. Bxd2 Qd7 13. f4 Rh6 14. Ne2 g6 15. Be1 Rh5 16. Ng3 Rh6 17. Rf3 Qg7 18. Nf1 Qf6 19. b4 Nd7 20. Bg3 1-0

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "7.15"]
[White "Arrua Maldonado, Mathias David"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "125"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 e6 6. e4 Nge7 7. d3 0-0 8. 0-0 d6 9. Nb5 a6 10. Nc3 Rb8 11. Be3 Bd7 12. Bf4 Ne5 13. Qd2 Qb6 14. Rab1 Bc6 15. Bh6 Qa7 16. Bxg7 Nxf3+ 17. Bxf3 Kxg7 18. b3 b5 19. Qb2 Kg8 20. Ne2 bxc4 21. dxc4 Qa8 22. Nc3 a5 23. a4 Rb6 24. Qd2 Qb8 25. Nb5 Bxb5 26. axb5 Qc7 27. Qxa5 Rb7 28. Ra1 Qxa5 29. Rxa5 Rfb8 30. Ra6 Rb6 31. Rfa1 Nc8 32. Ra8 Kg7 33. R1a6 Rxa8 34. Rxa8 Ne7 35. Ra7 Kf8 36. Ra8+ Kg7 37. Re8 Rb7 38. e5 d5 39. g4 Rd7 40. Rb8 Rc7 41. b6 Rc6 42. b7 Rb6 43. cxd5 Nxd5 44. Bxd5 exd5 45. Kf1 Rxb3 46. Ke1 Rb2 47. Kd1 c4 48. f4 h6 49. h4 d4 50. Rc8 Rxb7 51. Rxc4 Rd7 52. Kd2 f6 53. Kd3 fxe5 54. fxe5 Kf7 55. Rxd4 Re7 56. Ke4 Re6 57. Rd7+ Kg8 58. Kd5 Re8 59. e6 h5 60. g5 Kf8 61. Ke5 Ra8 62. Kf6 Ra6 63. Rd8# 1-0

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "8.18"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Gomez Barrera, Gonzalo Andres"]
[Result "1/2-1/2"]
[ECO "A58"]
[PlyCount "36"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. g3 g6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. h3 Nb6 12. Re1 Rb8 13. e4 Nc4 14. Qc2 Nd7 15. b3 Qa5 16. bxc4 Bxc3 17. Bd2 Bxd2 18. Nxd2 Rb7 1/2-1/2

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "5.7"]
[White "Landa Medrano, Gabriel Aaron"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1695"]
[PlyCount "65"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 a6 7. Bf1 0-0 8. d4 cxd4 9. cxd4 d5 10. e5 Ne8 11. h3 Bf5 12. Bd3 Bxd3 13. Qxd3 Nb4 14. Qb3 a5 15. a3 Nc6 16. Nc3 Rb8 17. Be3 Nc7 18. Rac1 Qd7 19. Qc2 Rfc8 20. Na4 Na8 21. Nc5 Qc7 22. e6 Nb6 23. exf7+ Kh8 24. b3 Nd8 25. Qd2 Qd6 26. Bf4 Qf6 27. Bxb8 Rxb8 28. Ne5 Qd6 29. Qf4 Ne6 30. Nxe6 Qxe6 31. Nxg6+ hxg6 32. Qxb8+ Kh7 33. Rxe6 1-0

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "6.11"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Benavides Montenegro, Maicol Alexander"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "50"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 b6 7. Qc2 Bb7 8. cxd5 exd5 9. Bd3 Nbd7 10. 0-0 c5 11. Rab1 Rc8 12. Rfc1 Ne4 13. Bxe7 Qxe7 14. Nd2 Ndf6 15. f3 Nxc3 16. Qxc3 Qxe3+ 17. Kh1 cxd4 18. Bxh7+ Kxh7 19. Qxe3 dxe3 20. Rxc8 Rxc8 21. Nb3 Rc2 22. Nd4 Rc4 23. Ne2 Nd7 24. Nc3 d4 25. Ne2 d3 0-1

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.28"]
[Round "4.11"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Ramirez Gonzalez, Angel David"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "91"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. a3 Ne4 8. Qb3 Nxc3 9. bxc3 Bd6 10. Bd3 dxc4 11. Bxc4 b5 12. Bd3 Nb6 13. 0-0 Bb7 14. Be4 0-0 15. Rfd1 Nd5 16. Rdc1 f5 17. Bxd5 exd5 18. a4 h6 19. Bf4 Bxf4 20. exf4 Rfe8 21. axb5 Qxb5 22. Qxb5 cxb5 23. Ne5 a6 24. Ra5 Rac8 25. Ra2 Rc7 26. Nd3 Rec8 27. Nc5 Rc6 28. Nxb7 Rxc3 29. Rxc3 Rxc3 30. g3 Rc4 31. Rxa6 Rxd4 32. Nd6 b4 33. Nxf5 Rd1+ 34. Kg2 d4 35. Rb6 b3 36. Rxb3 d3 37. Ne3 Rd2 38. Rb1 Kf7 39. Rd1 Rxd1 40. Nxd1 Ke6 41. Kf3 Kd5 42. Ke3 Kc4 43. Kd2 Kd4 44. f3 g6 45. Nf2 Kd5 46. Kxd3 1-0

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "3.14"]
[White "Jimenez Gil, Ramon Enrique"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "43"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Qd4 Nf6 7. Bc4 Bg7 8. 0-0 0-0 9. Nc3 d6 10. Qd1 Bg4 11. f3 Qb6+ 12. Kh1 Bd7 13. Rb1 Qc5 14. Bd3 Rab8 15. Bd2 Qb6 16. Re1 Ne8 17. a3 Nc7 18. Ne2 c5 19. b3 Nb5 20. a4 Nd4 21. Nxd4 Bxd4 22. Be3 1/2-1/2

[Event "Pan American-ch U10 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "2.10"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Rojas, Steven"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "1546"]
[PlyCount "96"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 Be7 5. e3 d6 6. Bd3 0-0 7. 0-0 b6 8. b3 Bb7 9. Ne1 Qe8 10. f3 c5 11. Bb2 Nc6 12. Nc2 Qh5 13. Be2 Qh6 14. f4 Qg6 15. Bf3 Na5 16. Bxb7 Nxb7 17. Qf3 Rab8 18. Nb5 a5 19. Nc7 Ne4 20. Rad1 Rfc8 21. Nb5 Bf6 22. Nc3 Nxc3 23. Bxc3 Rd8 24. Qc6 Rdc8 25. Qxb6 Bd8 26. Qb5 cxd4 27. Bxa5 Nc5 28. Qxb8 Rxb8 29. Bxd8 Rxd8 30. Nxd4 e5 31. Nc6 Re8 32. Rd5 e4 33. Nd4 Rf8 34. Nc6 Qe6 35. Nd4 Qd7 36. Nb5 Rf6 37. Rfd1 Nd3 38. Nd4 g6 39. Ra5 Rf8 40. Nb5 Qe7 41. Ra6 Qh4 42. Rxd6 Qf2+ 43. Kh1 Qxe3 44. g3 Qf3+ 45. Kg1 Qxd1+ 46. Kg2 Qf3+ 47. Kg1 Qf2+ 48. Kh1 Qf1# 0-1

[Event "Wch U08"]
[Site "Caldas Novas"]
[Date "2011.11.19"]
[Round "2"]
[White "Baasansuren, Erdene"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "49"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Bd3 Be7 6. Nf3 Nbd7 7. 0-0 0-0 8. b3 b6 9. e4 h6 10. Qc2 Bb4 11. e5 Ne8 12. Bb2 Bb7 13. Rfe1 dxc4 14. bxc4 c5 15. d5 exd5 16. cxd5 Bxc3 17. Qxc3 Bxd5 18. e6 Bxf3 19. e7 Qc7 20. exf8Q+ Kxf8 21. gxf3 Nef6 22. Be4 Re8 23. Bf5 g6 24. Bxd7 Nxd7 25. Qh8# 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Cotes Ontibon, Juan Sebastian"]
[Result "1-0"]
[ECO "D10"]
[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. d4 d5 2. c4 Nf6 3. Nc3 c6 4. e3 Bf5 5. Bd3 Qc8 6. Qc2 Qe6 7. Bxf5 Qd6 8. c5 Qc7 9. Nf3 e6 10. Bd3 Nbd7 11. 0-0 0-0-0 12. Bd2 Be7 13. e4 h6 14. e5 Ne8 15. b4 f6 16. Rfe1 g5 17. a4 Ng7 18. a5 f5 19. a6 bxa6 20. Bxa6+ Kb8 21. Qa4 g4 22. b5 cxb5 23. Qxb5+ Nb6 24. cxb6 Qd7 25. bxa7+ Ka8 26. Qxd7 Rxd7 27. Nb5 gxf3 28. Ba5 Bg5 29. Nc7+ Rxc7 30. Bxc7 Rg8 31. g3 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Hernandez, Julian Steeven"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "92"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Be3 Nc6 8. Nc3 Bd7 9. 0-0-0 0-0-0 10. g3 g6 11. Bg2 Bg7 12. Rhe1 Rde8 13. h4 Ng4 14. Qd2 Nxe3 15. fxe3 Be6 16. Kb1 Qd7 17. d4 Nb4 18. b3 Bf5 19. e4 Bh3 20. Ng5 Bxg2 21. Qxg2 Qc6 22. Qd2 f6 23. Nf3 Re7 24. a3 Na6 25. Nd5 Ree8 26. Nc3 Qb6 27. Na4 Qb5 28. Nc3 Qa5 29. Na4 Qxd2 30. Rxd2 f5 31. exf5 Rxe1+ 32. Nxe1 gxf5 33. Nf3 Re8 34. Nc3 Re3 35. Rd3 Rxd3 36. cxd3 Nb8 37. Nd5 Kd8 38. Ne3 Bf6 39. Nxf5 Nc6 40. g4 Nxd4 41. N3xd4 c5 42. Ne6+ Kd7 43. Nf8+ Ke8 44. Nxh7 Kf7 45. Nxd6+ Kg7 46. Nxf6 Kxf6 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Jimenez Alvarado, Joseph"]
[Result "1-0"]
[ECO "D07"]
[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. d4 d5 2. c4 Nc6 3. Nc3 e5 4. Nf3 Be6 5. c5 e4 6. Ng5 Nf6 7. Nxe6 fxe6 8. Bf4 Qd7 9. Nb5 0-0-0 10. e3 h6 11. Be2 g5 12. Be5 Be7 13. 0-0 a6 14. Nc3 h5 15. Qb3 h4 16. h3 g4 17. hxg4 h3 18. g3 Rdg8 19. Rac1 Nxe5 20. dxe5 Nxg4 21. Bxg4 Rxg4 22. Kh2 Qc6 23. Ne2 Qd7 24. Ng1 Rh5 25. Nxh3 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Forero Rengifo, Jeferson Andres"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "0-1"]
[ECO "C42"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. 0-0 Be7 7. Nc3 Nc6 8. Bb5 Bd7 9. d3 0-0 10. Bf4 a6 11. Ba4 b5 12. Bb3 a5 13. Bd5 Nxd5 14. Nxd5 Be6 15. Nc3 b4 16. Nb5 Rb8 17. Nbd4 Nxd4 18. Nxd4 Qd7 19. Qf3 Bg4 20. Qg3 h5 21. h3 h4 22. Qe3 Bh5 23. Rad1 Rbc8 24. Bg5 f6 25. Bxh4 Rcd8 26. Rde1 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Gomez, Facundo Tomas"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "35"]
[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. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nf3 0-0 6. 0-0 d6 7. Re1 Bg4 8. a3 Qd7 9. b4 Bb6 10. Bb2 Bh3 11. Bh1 Nd4 12. Nxd4 Bxd4 13. Bxb7 Rab8 14. Bh1 Ng4 15. e3 Bxc3 16. Bxc3 Nf6 17. d3 Ng4 18. Qe2 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Avila, Milder Alexander"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "23"]
[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. c4 dxc4 3. e3 Nf6 4. Bxc4 Bf5 5. Nf3 e6 6. Nc3 Bb4 7. Bd2 Nc6 8. a3 Bxc3 9. Bxc3 Be4 10. Bd3 0-0 11. 0-0 Qd6 12. Bb5 0-1

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Alvarez Angel, Nelson Eduardo"]
[Result "1-0"]
[ECO "D30"]
[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. d4 d5 2. c4 e6 3. c5 Nf6 4. Nf3 Nc6 5. Nc3 Rb8 6. Bf4 b6 7. Nb5 Rb7 8. cxb6 axb6 9. e3 Bb4+ 10. Nd2 0-0 11. Bd3 Bd7 12. a3 Be7 13. 0-0 Qa8 14. Qb3 Na5 15. Qc2 Ne4 16. Nxc7 Qc8 17. Nxe4 dxe4 18. Bxe4 Ra7 19. Rac1 f5 20. Rfd1 fxe4 21. Qxe4 Nb3 22. Rc3 Ba4 23. Nxe6 Qxe6 24. Qxe6+ Rf7 25. Rc8+ Bf8 26. Bd6 g6 27. Rxf8+ Kg7 28. Qe5+ Kh6 29. Rxf7 Rxf7 30. Qh8 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "2"]
[White "Vidal Alvarado, Martin"]
[Black "Perez Olguin, Omar Alejandro"]
[Result "1-0"]
[ECO "D51"]
[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. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Nf3 e6 5. Bg5 Nbd7 6. cxd5 cxd5 7. Ne5 Be7 8. Nxd7 Bxd7 9. e4 Bc6 10. exd5 exd5 11. Bxf6 Bxf6 12. Qe2+ Qe7 13. Qxe7+ Bxe7 14. 0-0-0 0-0 15. Bd3 Bg5+ 16. Kb1 Rac8 17. h4 Bf6 18. g4 Bxd4 19. Bxh7+ Kxh7 20. Rxd4 Rfd8 21. b4 b6 22. b5 Bb7 23. Kb2 Rc4 24. Rhd1 Rxd4 25. Rxd4 Bc8 26. g5 1-0

[Event "Pan American-ch U08"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Perez Olguin, Omar Alejandro"]
[Black "Ayala Davila, Francisco"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "47"]
[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. c4 Nf6 3. Nc3 Nc6 4. Nf3 Bg4 5. e3 e6 6. a3 Be7 7. Be2 0-0 8. c5 h6 9. h3 Bh5 10. 0-0 Bg6 11. Bd3 Bxd3 12. Qxd3 Qd7 13. b4 a6 14. Bb2 Rfe8 15. Rad1 Nh7 16. Rfe1 Ng5 17. Nxg5 Bxg5 18. Ne2 e5 19. f4 e4 20. Qc3 Bh4 21. g3 Bf6 22. Kh2 Rad8 23. g4 g5 24. f5 0-1

