[Event "Manizales op 23rd"]
[Site "Caldas"]
[Date "2011.01.09"]
[Round "6"]
[White "Jaramillo Duque, David"]
[Black "Sierra, Jeferson"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "82"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. f3 b5 6. Qd2 Nbd7 7. g4 Nb6 8. b3 Bb7 9. Nge2 Qc7 10. a4 a6 11. Bg2 0-0-0 12. 0-0 e5 13. axb5 axb5 14. d5 b4 15. Na4 c5 16. Qd3 Nfd7 17. c3 bxc3 18. Nexc3 c4 19. Qe2 cxb3 20. Rfc1 Nc5 21. Nb5 Ba6 22. Nxb6+ Qxb6 23. Na7+ Kb7 24. Bxc5 dxc5 25. Qb2 Kxa7 26. Bf1 c4+ 27. Kg2 Bc5 28. Rxc4 Kb7 29. Rxa6 Qxa6 30. Rxc5 Qa2 31. Rb5+ Ka7 32. Rxb3 Qxb2+ 33. Rxb2 f5 34. Bb5 fxe4 35. fxe4 Kb6 36. Be2+ Kc5 37. Bf3 Rb8 38. Ra2 Kd4 39. Ra3 h5 40. h3 Rb2+ 41. Kg3 h4# 0-1

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.10"]
[Round "5"]
[White "Sierra, Jeferson"]
[Black "Romero, Reinaldo"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1600"]
[BlackElo "1655"]
[PlyCount "27"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. 0-0 Na6 6. Nc3 Nc7 7. d4 d5 8. cxd5 cxd5 9. Ne5 0-0 10. h3 e6 11. e4 dxe4 12. Nxe4 Ncd5 13. b3 Nb4 14. a4 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.09"]
[Round "3"]
[White "Sierra, Jeferson"]
[Black "Gomez, Manuela"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1600"]
[BlackElo "1600"]
[PlyCount "19"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. g3 Bb6 5. Bg2 Nf6 6. 0-0 Qe7 7. d3 0-0 8. Bg5 h6 9. Nd5 hxg5 10. Nxe7+ 1-0

[Event "Manizales op 21st"]
[Site "Manizales"]
[Date "2009.01.08"]
[Round "1"]
[White "Sierra, Jeferson"]
[Black "Herrera, Luis Miguel"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1600"]
[BlackElo "1742"]
[PlyCount "44"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 d5 7. cxd5 exd5 8. d4 Re8 9. Bg5 Be6 10. Rc1 h6 11. Bxf6 Qxf6 12. Ne5 Bxc3 13. Rxc3 c5 14. e3 Na6 15. Qa4 Nc7 16. Nd7 Qe7 17. Ne5 c4 18. b3 b5 19. Qa5 Qd6 20. bxc4 bxc4 21. Rb1 Reb8 22. Rcc1 Rb6 0-1

