[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.17"]
[Round "7"]
[White "Barrera, Mauricio"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[ECO "A83"]
[BlackElo "2376"]
[PlyCount "92"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. f3 Nf7 7. Bxf6 exf6 8. fxe4 Bc5 9. Nf3 0-0 10. Qd2 d6 11. 0-0-0 a6 12. h3 b5 13. Nd4 Qe8 14. Re1 b4 15. Nd1 a5 16. Bb5 Bd7 17. Bxd7 Qxd7 18. Ne6 Rfb8 19. Nf2 Ne5 20. Ng4 b3 21. axb3 a4 22. Nxc5 dxc5 23. Nxe5 axb3 24. cxb3 fxe5 25. Qc3 Rb4 26. Kc2 Rab8 27. Qxe5 Rxb3 28. Qe6+ Qxe6 29. dxe6 Rxb2+ 30. Kd3 Rxg2 31. Kc4 Re8 32. Kxc5 Rxe6 33. Kd5 Kf7 34. e5 Rd2+ 35. Ke4 c5 36. h4 Rd4+ 37. Kf3 Ra6 38. Re4 Rxe4 39. Kxe4 Ke6 40. Rc1 Ra4+ 41. Kf3 Rxh4 42. Rxc5 g5 43. Ke3 h5 44. Kf3 Rd4 45. Ra5 Rd5 46. Ra8 Rxe5 0-1

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.17"]
[Round "6"]
[White "Matta, Paola Andrea"]
[Black "Barrera, Mauricio"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2046"]
[PlyCount "41"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. cxd5 exd5 7. d4 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. Qc2 Qb6 11. Nc3 Bd6 12. e4 0-0 13. exd5 cxd5 14. Nxd5 Nxd5 15. Bxd5 Bh3 16. Bxa8 Rxa8 17. Be3 Qb5 18. Rfc1 Rf8 19. Qc6 Qb8 20. Bxa7 Qxa7 21. Qxd6 1/2-1/2

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.16"]
[Round "3"]
[White "Barrera, Mauricio"]
[Black "Prieto, Ernesto"]
[Result "0-1"]
[ECO "D85"]
[BlackElo "2104"]
[PlyCount "46"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Rb1 c5 8. Nf3 0-0 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qb3 e6 13. c4 Qh4 14. Qd3 exd5 15. cxd5 f5 16. Bf3 fxe4 17. Qxe4 Qf6 18. Qc4 b5 19. Qxc5 Bf5 20. Rb3 Rac8 21. Qa3 b4 22. Rxb4 Rxc1+ 23. Qxc1 Bc3+ 0-1

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.16"]
[Round "5"]
[White "Barrera, Mauricio"]
[Black "Solarte Quintero, Agustin"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "115"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. e5 dxe5 7. dxe5 Ng4 8. e6 fxe6 9. Ng5 Nde5 10. Qxd8+ Kxd8 11. h3 h6 12. hxg4 hxg5 13. Rxh8+ Bxh8 14. f3 Bf6 15. Be3 c6 16. 0-0-0+ Bd7 17. Ne4 Ke8 18. Bxg5 Bxg5+ 19. Nxg5 Bc8 20. Re1 Nf7 21. Nxe6 Bxe6 22. Rxe6 Nh8 23. Bd3 Kf7 24. Re5 Rd8 25. Kc2 Kf6 26. f4 e6 27. Kc3 Nf7 28. g5+ Ke7 29. Re1 Rg8 30. c5 Kd7 31. g4 b5 32. a4 a6 33. axb5 axb5 34. Ra1 Nd8 35. Ra7+ Kc8 36. Kd4 Kb8 37. Rh7 Nb7 38. b4 Rd8+ 39. Ke3 Rd5 40. Bxg6 Nxc5 41. bxc5 Rxc5 42. Be4 Rc3+ 43. Kd4 b4 44. g6 c5+ 45. Ke5 Rg3 46. g7 Rxg4 47. Rh8+ Kc7 48. g8Q Rxg8 49. Rxg8 c4 50. Kxe6 b3 51. f5 c3 52. f6 c2 53. Rg1 Kb6 54. f7 Kc5 55. f8Q+ Kd4 56. Qb4+ Ke3 57. Qxb3+ Kxe4 58. Rg4# 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.16"]
[Round "4"]
[White "Bravo, Juan Eduardo"]
[Black "Barrera, Mauricio"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "141"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. a4 Nbd7 8. 0-0 g6 9. Be3 Bg7 10. f3 b6 11. Qd2 0-0 12. Kh1 Bb7 13. Bh6 Ne5 14. Bxg7 Kxg7 15. Qg5 e6 16. Rad1 h6 17. Qg3 Nh5 18. Qh4 Nc6 19. Nb3 Qd8 20. Qf2 Nf4 21. Rfe1 Nxe2 22. Rxe2 Qc7 23. Red2 Rad8 24. Qg3 Ne5 25. Rxd6 f6 26. R6d4 Qe7 27. f4 Nc6 28. R4d2 Rxd2 29. Rxd2 Rd8 30. Qe3 g5 31. fxg5 hxg5 32. Nd4 Kg6 33. Nde2 Ne5 34. Rxd8 Qxd8 35. b3 Qd6 36. Ng3 Ng4 37. Qf3 Qf4 38. Qxf4 gxf4 39. Nge2 e5 40. Nd5 b5 41. axb5 axb5 42. c4 bxc4 43. bxc4 Nf2+ 44. Kg1 Nxe4 45. Nec3 Nc5 46. Nb5 Kg5 47. Kf2 f5 48. Nd6 Nd3+ 49. Ke2 Bxd5 50. cxd5 Nb4 51. Nc4 e4 52. d6 Kf6 53. d7 Ke7 54. d8Q+ Kxd8 55. Nd6 Kd7 56. Nxf5 Ke6 57. Nd4+ Ke5 58. Nb3 Nd5 59. Nc5 Nf6 60. h3 Nh5 61. Nb3 Ng3+ 62. Ke1 Kd5 63. Nd2 Kd4 64. Nf1 Nf5 65. Ke2 Nh4 66. g3 f3+ 67. Kf2 Nf5 68. h4 Nh6 69. Nh2 Ke5 70. Nxf3+ exf3 71. Kxf3 1/2-1/2

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.15"]
[Round "1"]
[White "Barrera, Mauricio"]
[Black "Riascos, Guillermo"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "53"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nc6 4. Nf3 Bb4 5. a3 Bxc3+ 6. bxc3 dxc4 7. e4 Nf6 8. Bg5 h6 9. Bxf6 Qxf6 10. Bxc4 Qg6 11. Qe2 Na5 12. Bb5+ c6 13. Bd3 f6 14. 0-0 0-0 15. Kh1 Kh8 16. Nh4 Qf7 17. f4 Rd8 18. g4 c5 19. g5 cxd4 20. gxh6 gxh6 21. Rg1 dxc3 22. Rg6 Qf8 23. Qh5 Kh7 24. Rag1 Rd7 25. e5 f5 26. Nxf5 exf5 27. Bxf5 1-0

[Event "Cartago op"]
[Site "Cartago"]
[Date "2009.08.15"]
[Round "2"]
[White "Perez, Fernando David"]
[Black "Barrera, Mauricio"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "64"]
[EventDate "2009.08.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Rg1 h5 17. Rg7 b4 18. Nce2 Bb7 19. Bg2 0-0-0 20. Rg5 Bh6 21. h4 Bxe4 22. Qg3 d5 23. Bxe4 Qxg3 24. Nxg3 Nxe4 25. Nxe4 dxe4 26. Nc6 Bxg5+ 27. hxg5 Rxd1+ 28. Kxd1 h4 29. g6 fxg6 30. Ne7+ Kd7 31. Ke2 h3 32. Nxg6 h2 0-1

