[Event "COL-ch U26 18th"]
[Site "Risarald"]
[Date "2009.10.26"]
[Round "7"]
[White "Basto, Yamid"]
[Black "Barrera, Oscar"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "32"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 Be7 9. N1f3 h6 10. Ne4 Nbd5 11. Bd2 Nxe4 12. Qxe4 c5 13. 0-0-0 Qc7 14. dxc5 Qxc5 15. Ne5 Bf6 16. Qa4+ Ke7 1/2-1/2

[Event "COL-ch U26 18th"]
[Site "Risarald"]
[Date "2009.10.25"]
[Round "6"]
[White "Barrera, Oscar"]
[Black "Mendez Rivera, Anderson Heribert"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "1936"]
[PlyCount "71"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 g6 6. 0-0 Bg7 7. Nbd2 0-0 8. Re1 b6 9. g3 Bb7 10. Bf1 e5 11. Nc4 Qe7 12. Bg5 h6 13. Be3 Ng4 14. Nh4 Nxe3 15. Nxe3 Bf6 16. Nhf5 Qe6 17. Nxh6+ Kh7 18. Nhf5 Rh8 19. Bh3 Rad8 20. Kg2 d5 21. Nxd5 Bxd5 22. Ne3 Bxe4+ 23. dxe4 Qc6 24. Nd5 Kg7 25. Qf3 Bg5 26. Rad1 Nf6 27. Nxf6 Qxf6 28. Qxf6+ Bxf6 29. Rd5 Rxd5 30. exd5 Rd8 31. c4 Rd6 32. a4 Kf8 33. b3 Bg7 34. Bg4 a5 35. h4 f5 36. Bd1 1/2-1/2

[Event "COL-ch U26 18th"]
[Site "Risarald"]
[Date "2009.10.24"]
[Round "4"]
[White "Paba, Alvaro Jose"]
[Black "Barrera, Oscar"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "41"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. Nf3 c6 6. Qc2 Bd6 7. Nc3 0-0 8. 0-0 Re8 9. d4 Bg4 10. h3 Bh5 11. Nh4 Na6 12. a3 c5 13. dxc5 Nxc5 14. Rd1 Nce4 15. Nxe4 Nxe4 16. Rxd5 Nxg3 17. fxg3 Rxe2 18. Qb3 Re1+ 19. Kh2 Bd1 20. Qc3 Re2 21. Bf4 1-0

[Event "COL-ch U26 18th"]
[Site "Risarald"]
[Date "2009.10.23"]
[Round "2"]
[White "Barrera, Oscar"]
[Black "Lopez Idarraga, Daniel Eduardo"]
[Result "0-1"]
[ECO "C14"]
[BlackElo "1973"]
[PlyCount "84"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Be2 Nc6 10. Qd2 b5 11. g4 cxd4 12. Nxd4 Qh4+ 13. Kf1 Bb7 14. Kg2 0-0 15. h3 Rae8 16. g5 Ndxe5 17. Nf3 Nxf3 18. Bxf3 Ne7 19. Rhg1 Ng6 20. Ne2 e5 21. Qe1 Nxf4+ 22. Nxf4 Qxg5+ 23. Kh2 Qxf4+ 24. Qg3 Qxg3+ 25. Rxg3 e4 26. Be2 Rc8 27. c3 b4 28. Rag1 g6 29. h4 bxc3 30. bxc3 d4 31. c4 d3 32. Bd1 Rxc4 33. h5 Kg7 34. Bb3 Rc5 35. Bd1 Re5 36. Re1 f5 37. Rxd3 Rfe8 38. Rd7+ R5e7 39. Rd6 f4 40. Bb3 e3 41. Bc4 f3 42. Rg1 f2 0-1

[Event "COL-ch U26 18th"]
[Site "Risarald"]
[Date "2009.10.23"]
[Round "1"]
[White "Elias Alvarez, Alfonso Jose"]
[Black "Barrera, Oscar"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "68"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. N1f3 Nb6 8. Bd3 Bd6 9. 0-0 h6 10. Ne4 Nxe4 11. Bxe4 Qf6 12. Qe2 c5 13. Be3 c4 14. b3 cxb3 15. axb3 0-0 16. c4 Nd7 17. c5 Bc7 18. c6 bxc6 19. Bxc6 Rb8 20. Rxa7 Bb6 21. Rxd7 Bxd7 22. Bxd7 Rfd8 23. Ba4 Bc7 24. Rc1 Bd6 25. Nd2 Ba3 26. Rc4 Qf5 27. Qf3 Qa5 28. g3 f5 29. Qc6 Rd6 30. Qc7 Qxc7 31. Rxc7 Bb4 32. Nc4 Rdd8 33. Bd7 Re8 34. Bxe8 Rxe8 1-0

