[Event "MEX Nacional op"]
[Site "Pachuca"]
[Date "2003.04.17"]
[Round "4"]
[White "Dominguez Aguilar, Guillermo"]
[Black "Barrera Hernandez, Oscar"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2272"]
[BlackElo "2062"]
[PlyCount "63"]
[EventDate "2003.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 093 Extra"]
[Source "ChessBase"]
[SourceDate "2003.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2003.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 a6 6. Bg2 Nf6 7. 0-0 Qc7 8. c4 Nxd4 9. Qxd4 Bc5 10. Qd3 Ng4 11. b3 Qe5 12. Nc3 Qh5 13. h3 Ne5 14. Qd1 Qg6 15. Kh2 h5 16. Na4 Ba7 17. c5 h4 18. g4 Qf6 19. Be3 Ng6 20. f4 e5 21. f5 Nf4 22. Bxf4 exf4 23. e5 Qe7 24. Qd4 Bb8 25. Rae1 f6 26. Qd6 Bxd6 27. exd6 Qxe1 28. Rxe1+ Kd8 29. Nb6 Ra7 30. Re7 a5 31. Rxg7 a4 32. b4 1-0

[Event "MEX-ch 47th"]
[Site "Irapuato"]
[Date "2001.??.??"]
[Round "2"]
[White "Blanco Fernandez, Alvaro"]
[Black "Barrera Hernandez, Oscar"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2371"]
[BlackElo "1874"]
[PlyCount "75"]
[EventDate "2001.04.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Re8 9. d5 a5 10. Ne1 h6 11. Nd3 b6 12. a3 Ba6 13. b3 Kh7 14. Nb2 Ng8 15. Qc2 Ne7 16. f3 g5 17. b4 Bc8 18. Nb5 Ng6 19. g3 Ndf8 20. c5 Bh3 21. Rfc1 bxc5 22. bxc5 Nf4 23. Bf1 Bxf1 24. Kxf1 Qd7 25. c6 Qh3+ 26. Kg1 Re7 27. gxf4 gxf4 28. Bf2 Bf6 29. Qe2 Ne6 30. Kh1 Ng5 31. Rc3 a4 32. Nc4 Bg7 33. Ncxd6 cxd6 34. Nxd6 Rg8 35. Nf5 Bf8 36. Rg1 Rc7 37. Bb6 Rc8 38. c7 1-0

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.13"]
[Round "9"]
[White "Barrera Hernandez, Oscar"]
[Black "Prasca Sosa, Rafael Felipe"]
[Result "1/2-1/2"]
[ECO "C03"]
[BlackElo "2256"]
[PlyCount "27"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. Qe2 0-0 7. Ngf3 Nc6 8. c3 Bxc5 9. 0-0 Be7 10. Rd1 Qc7 11. exd5 exd5 12. Nb3 Re8 13. Qc2 Bg4 14. Nbd2 1/2-1/2

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.13"]
[Round "8"]
[White "Taitt, Junior"]
[Black "Barrera Hernandez, Oscar"]
[Result "0-1"]
[ECO "A17"]
[PlyCount "62"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. e4 c5 5. d4 cxd4 6. Nxd4 d6 7. g3 Bb7 8. Bg2 Be7 9. 0-0 Qc7 10. Qe2 Nbd7 11. f4 Rc8 12. b3 a6 13. a4 0-0 14. g4 Rfd8 15. g5 Ne8 16. f5 Qc5 17. Be3 Bxg5 18. fxe6 Bxe3+ 19. Qxe3 fxe6 20. Rf3 Qe5 21. Bh3 Nc7 22. Raf1 Rf8 23. b4 Rf6 24. Rxf6 Nxf6 25. Rf4 Qg5+ 26. Kf1 e5 27. Nf5 exf4 28. Qxb6 Bxe4 29. Ne7+ Kh8 30. Nxe4 Nxe4 31. Nxc8 f3 0-1

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.11"]
[Round "7"]
[White "Barrera Hernandez, Oscar"]
[Black "Fernandez, Alejandro"]
[Result "0-1"]
[ECO "B87"]
[BlackElo "2065"]
[PlyCount "70"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Qe2 b5 8. Bb3 Qb6 9. Be3 Qb7 10. f3 b4 11. Nb1 Nbd7 12. Nd2 Nc5 13. g4 Be7 14. h4 Nfd7 15. 0-0-0 Nxb3+ 16. N2xb3 a5 17. Nb5 Qb8 18. N5d4 Ba6 19. Qh2 Qc7 20. Kb1 a4 21. Nc1 Ne5 22. b3 0-0 23. Bg5 Rfc8 24. Qd2 Bf8 25. f4 Nc6 26. Nf3 Na7 27. Nd4 e5 28. Nf5 Nb5 29. Ne3 Nc3+ 30. Ka1 Bb7 31. Nc4 Bxe4 32. fxe5 d5 33. Nd6 axb3 34. Nxc8 Nxa2 35. Nb6 Nc3+ 0-1

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.10"]
[Round "6"]
[White "Valera, Jesus"]
[Black "Barrera Hernandez, Oscar"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "68"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 b5 8. Bf3 e5 9. Nf5 d5 10. Bg5 d4 11. Nd5 Nbd7 12. c3 h6 13. Bh4 g5 14. Bg3 Nxd5 15. exd5 Qf6 16. 0-0 Qxf5 17. cxd4 Bd6 18. Bg4 Qg6 19. Bxd7+ Bxd7 20. dxe5 Bc5 21. Rc1 Rc8 22. e6 fxe6 23. dxe6 Bxe6 24. Rxc5 Rxc5 25. Qd4 Rc4 26. Qxh8+ Kf7 27. Qb8 Bd5 28. Bd6 Qe4 29. f3 Qe3+ 30. Kh1 Rc1 31. Qa7+ Qxa7 32. Rxc1 Ke6 33. Bc5 Qb7 34. Re1+ Kf6 0-1

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.09"]
[Round "5"]
[White "Barrera Hernandez, Oscar"]
[Black "Aboud, Sebastien"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "35"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. h4 h5 11. Be2 Ne5 12. Bg5 Rc8 13. g4 hxg4 14. fxg4 Nexg4 15. Rdf1 Qb6 16. Bxg4 Nxg4 17. Nb3 Rxc3 18. bxc3 1/2-1/2

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.08"]
[Round "4"]
[White "Arias, Nilton"]
[Black "Barrera Hernandez, Oscar"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "67"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. 0-0-0 Rc8 11. g4 h6 12. h4 b5 13. Be2 b4 14. Nd5 Bxd5 15. exd5 Qc7 16. Bxa6 Ra8 17. Bb5 Rxa2 18. g5 Nh5 19. Rhg1 g6 20. Qxb4 0-0 21. Qg4 Rc8 22. Rg2 Nc5 23. Bxc5 dxc5 24. d6 Bxd6 25. Rxd6 Rca8 26. Qd7 Ra1+ 27. Nxa1 Rxa1+ 28. Kd2 Qa5+ 29. c3 Qa2 30. Ke3 Re1+ 31. Re2 Rxe2+ 32. Bxe2 Qa8 33. Qd8+ Qxd8 34. Rxd8+ 1-0

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.07"]
[Round "3"]
[White "Barrera Hernandez, Oscar"]
[Black "Terrel, Ruben"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "81"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 b6 8. Bd3 Ba6 9. a4 Bxd3 10. Qxd3 Nbc6 11. Ba3 Qc7 12. 0-0 Na5 13. Qb5+ Nec6 14. dxc5 bxc5 15. Qxc5 Nc4 16. Nd4 Nxa3 17. Rxa3 Kd7 18. f4 Nxd4 19. Qxc7+ Kxc7 20. cxd4 Rhb8 21. Rb3 Rxb3 22. cxb3 Rb8 23. Rc1+ Kd7 24. Rc3 Rb4 25. Rd3 Kc6 26. Kf2 Rb7 27. Rc3+ Kb6 28. b4 Ka6 29. Rc6+ Rb6 30. Rxb6+ Kxb6 31. g4 Kc6 32. h4 Kd7 33. Kf3 Kc6 34. f5 Kd7 35. Kf4 Ke7 36. b5 Kd7 37. a5 Ke7 38. fxe6 fxe6 39. Kg5 Kd7 40. h5 Ke7 41. b6 1-0

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.06"]
[Round "2"]
[White "Semerene Indriago, Dumit"]
[Black "Barrera Hernandez, Oscar"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "113"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. Nf3 Nbd7 6. 0-0 Be7 7. Nc3 Bb7 8. cxd5 Nxd5 9. Re1 0-0 10. e4 Nxc3 11. bxc3 Nf6 12. Nd2 c5 13. Bb2 cxd4 14. cxd4 Rc8 15. Qb3 h5 16. Rad1 Rc7 17. Nb1 Qa8 18. Nc3 Rfc8 19. d5 exd5 20. e5 Ng4 21. Nxd5 Bc5 22. Bd4 Rd7 23. Bxc5 Rxc5 24. Nf4 Rxe5 25. Rxe5 Rxd1+ 26. Qxd1 Nxe5 27. Bxb7 Qxb7 28. Qxh5 Nf3+ 29. Kg2 Nd2+ 30. Qd5 Qxd5+ 31. Nxd5 Kf8 32. f4 b5 33. Kf2 Nc4 34. Ke2 Nd6 35. Kd3 Ke8 36. g4 Kd7 37. h4 a5 38. h5 Nb7 39. Kd4 Kd6 40. g5 Nd8 41. f5 Nc6+ 42. Ke4 Ne5 43. h6 gxh6 44. gxh6 f6 45. Nxf6 Nf7 46. Ng4 Kc5 47. Kd3 Kd5 48. h7 Nh8 49. f6 Ke6 50. Kd4 Kf5 51. Kc5 Kxg4 52. Kxb5 Kf5 53. Kxa5 Kxf6 54. Kb6 Kg7 55. a4 Nf7 56. Kc7 Ng5 57. a5 1-0

[Event "Guanare CAC U20 4th"]
[Site "Guanare"]
[Date "2000.08.05"]
[Round "1"]
[White "Barrera Hernandez, Oscar"]
[Black "Villegas Corona, Rafael"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "60"]
[EventDate "2000.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. f4 c5 6. a3 Bxc3+ 7. bxc3 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7 10. Be2 c4 11. 0-0 Qa4 12. Ra2 0-0-0 13. Qb1 Kb8 14. Rb2 Bc8 15. Qa2 f6 16. Rfb1 Rdf8 17. Rb5 Ng8 18. Qb2 Rf7 19. f5 Qa6 20. fxe6 Bxe6 21. Bxc4 dxc4 22. d5 Bxd5 23. Rxd5 fxe5 24. Nxe5 Nxe5 25. Rxe5 Ne7 26. Bf4 Ka8 27. Re6 Nc6 28. Bg3 Rhf8 29. Rbe1 Qb6+ 30. Qxb6 axb6 1/2-1/2

