[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.20"]
[Round "8"]
[White "Molina Sumoza, Jesus Alberto"]
[Black "Osbah Herrera, Otto Argenis"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2184"]
[BlackElo "2034"]
[PlyCount "44"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 c6 4. Qc2 Nf6 5. d3 Be7 6. e3 Bf5 7. e4 Be6 8. Nf3 dxc4 9. dxc4 Qc7 10. 0-0 h6 11. b3 Nbd7 12. Bb2 0-0 13. Nbd2 Ne8 14. Rfe1 f6 15. Nh4 g5 16. Ng6 Rf7 17. Nxe7+ Rxe7 18. Rad1 Nf8 19. Nf1 Ng6 20. a3 Rd8 21. Nd2 Red7 22. Bf3 g4 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.20"]
[Round "7"]
[White "Osbah Herrera, Otto Argenis"]
[Black "Tortoza Lopez, Alexis"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2034"]
[BlackElo "1892"]
[PlyCount "87"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 g6 8. Nf3 b5 9. g3 c4 10. Bh3 a5 11. 0-0 b4 12. Be3 a4 13. a3 bxa3 14. bxa3 Nb6 15. Ne1 Na5 16. Kh1 Nb3 17. Ra2 Be7 18. Nc2 Bd7 19. Ng1 Qc7 20. Nf3 0-0-0 21. Ng5 Rdf8 22. g4 h5 23. f5 hxg4 24. f6 Bxf6 25. Rxf6 gxh3 26. Nxf7 Rh5 27. Qf3 Rf5 28. Nd6+ Qxd6 29. Rxf5 Rxf5 30. Qxf5 Qxa3 31. Nxa3 gxf5 32. Kg1 Be8 33. Kf2 Bh5 34. Kg3 Bg4 35. Nc2 Kd7 36. Ne1 Ke7 37. Nf3 Bh5 38. Ng1 Be8 39. Nxh3 Kf8 40. Nf4 Kf7 41. Kh4 Nc8 42. Kg5 Ne7 43. h4 Ng8 44. h5 1-0

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.18"]
[Round "5"]
[White "Osbah Herrera, Otto Argenis"]
[Black "Brizuela Abreu, Reivis Gabriel"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "2034"]
[BlackElo "2238"]
[PlyCount "109"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Be7 8. g3 0-0 9. Bh3 Qb6 10. Nf3 cxd4 11. cxd4 a5 12. 0-0 a4 13. Kh1 a3 14. b3 Nb4 15. f5 exf5 16. Bxf5 Nb8 17. Bxc8 Rxc8 18. Nf4 N8c6 19. Bd2 Qb5 20. Bc3 Ra6 21. h4 Nd8 22. Bxb4 Bxb4 23. Rf2 Rac6 24. Kg2 h6 25. h5 Be7 26. Qb1 R6c7 27. Qf5 Qd7 28. Qxd7 Rxd7 29. Rd1 Ne6 30. Nxe6 fxe6 31. Ne1 Rdc7 32. Nd3 Bg5 33. Nc5 Re7 34. Rd3 Bc1 35. Na4 Rec7 36. Nc5 Re7 37. Na4 Rec7 38. Nc5 Re8 39. Rf1 Bb2 40. Rf2 Bxd4 41. Nxe6 Rxe6 42. Rxd4 Rxe5 43. Ra4 Rxh5 44. Rxa3 d4 45. Ra8+ Kh7 46. Rd8 Rc1 47. Rxd4 Rch1 48. Kf3 Rf5+ 49. Rf4 Rc5 50. Re4 Rg1 51. Re3 Rg5 52. Re7 R1xg3+ 53. Ke2 R3g4 54. Kd2 h5 55. Rh2 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.18"]
[Round "6"]
[White "Palacios Bastidas, Arturo Rafael"]
[Black "Osbah Herrera, Otto Argenis"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1772"]
[BlackElo "2034"]
[PlyCount "106"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. Be2 Bb7 8. f3 e6 9. Be3 Nbd7 10. 0-0 Be7 11. Bc4 0-0 12. Qe2 Qc7 13. Rac1 Rfc8 14. Ba2 Ne5 15. Qf2 Nfd7 16. Qg3 Nc4 17. Bxc4 Qxc4 18. Nb3 Qc7 19. Bd4 Bf8 20. Rfd1 Nc5 21. e5 d5 22. Qf2 Qc6 23. Ra1 Nxb3 24. cxb3 Bc5 25. Ne2 b5 26. Rdc1 Bxd4 27. Qxd4 Qd7 28. a5 Rxc1+ 29. Rxc1 Rc8 30. Rxc8+ Qxc8 31. Qc3 Qb8 32. f4 h6 33. Kf1 Qd8 34. g3 d4 35. Qxd4 Qc7 36. Qb6 Qc8 37. b4 Bd5 38. Qc5 Qa8 39. Ke1 Bc4 40. Kd2 Qg2 41. Qe3 Qxh2 42. Qf3 Bxe2 43. Qxe2 Qxg3 44. Qe3 Qxe3+ 45. Kxe3 Kf8 46. Kd4 h5 47. Kc5 h4 48. Kb6 h3 49. Kxa6 h2 50. Kxb5 h1Q 51. a6 Qf1+ 52. Kb6 Qg1+ 53. Kb7 Qg2+ 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.17"]
[Round "4"]
[White "Bianco Diaz, Rogelio Jose"]
[Black "Osbah Herrera, Otto Argenis"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1817"]
[BlackElo "2034"]
[PlyCount "106"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. f4 Nh6 3. Nf3 g6 4. e3 Bg7 5. Be2 Bg4 6. 0-0 Bxf3 7. Bxf3 f5 8. c4 c6 9. cxd5 cxd5 10. Qb3 e6 11. Qxb7 Nd7 12. b3 0-0 13. Ba3 Re8 14. Nd2 Rb8 15. Qa6 Qb6 16. Qe2 Rbc8 17. Rac1 Qa5 18. Nb1 Nf7 19. Rxc8 Rxc8 20. Rc1 Rxc1+ 21. Bxc1 Bf8 22. Qd2 Bb4 23. Qc2 Bf8 24. Bd2 Qb6 25. Kf2 Nf6 26. Be2 Qb7 27. Bf3 Nd6 28. Nc3 Qc6 29. Qc1 Be7 30. Na4 Nde4+ 31. Ke1 Qb7 32. Nc5 Qb6 33. Nxe4 dxe4 34. Be2 Kg7 35. h3 Nd5 36. Bc4 Nb4 37. Bxb4 Bxb4+ 38. Ke2 Qd6 39. a4 a5 40. Qd1 Qe7 41. g3 Kh6 42. h4 Qd6 43. Kf2 Kg7 44. Qe2 Qc6 45. g4 Be7 46. g5 h6 47. Qd2 Bb4 48. Qb2 Kh7 49. gxh6 Qd7 50. Kf1 Bf8 51. Qc3 Qe7 52. Qxa5 Qxh4 53. Qe1 Qh3+ 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.17"]
[Round "3"]
[White "Osbah Herrera, Otto Argenis"]
[Black "Uzcategui Rodriguez, Alejandro"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2034"]
[BlackElo "2245"]
[PlyCount "23"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. 0-0-0+ Kc7 8. Nf3 Nbd7 9. Bxf6 gxf6 10. e4 a5 11. Nh4 Nc5 12. Be2 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.16"]
[Round "2"]
[White "Colmenares Hernandez, Jose Grego"]
[Black "Osbah Herrera, Otto Argenis"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1778"]
[BlackElo "2034"]
[PlyCount "88"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nf6 5. d3 Nc6 6. g3 g6 7. Bg2 Bg7 8. Be3 Ng4 9. Bg5 h6 10. Bd2 0-0 11. 0-0 Kh7 12. h3 Nge5 13. Nh2 Nd4 14. Ne2 Nxe2+ 15. Qxe2 Nc6 16. c3 Rb8 17. f4 e6 18. Kh1 Bd7 19. Ng4 Na5 20. Ne3 Nb3 21. Ra3 Nxd2 22. Qxd2 b5 23. axb5 axb5 24. b4 cxb4 25. cxb4 Ra8 26. Qa2 Rxa3 27. Qxa3 Qb6 28. Ng4 h5 29. Nh2 Rc8 30. Rc1 Rxc1+ 31. Qxc1 Qc6 32. Qxc6 Bxc6 33. Nf3 Bc3 34. d4 Kg7 35. e5 Bxb4 36. Ng5 Bxg2+ 37. Kxg2 d5 38. Kf2 Kf8 39. Nh7+ Ke8 40. Ke3 Be7 41. g4 hxg4 42. hxg4 Kd7 43. f5 exf5 44. gxf5 gxf5 0-1

[Event "Caracas FVA 80th Ann"]
[Site "Caracas"]
[Date "2015.12.16"]
[Round "1"]
[White "Osbah Herrera, Otto Argenis"]
[Black "Hernandez Proto, Maria Angelina"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2034"]
[BlackElo "1544"]
[PlyCount "63"]
[EventDate "2015.12.16"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 Nc6 4. Nf3 Nf6 5. d4 cxd4 6. Nxd4 Bb4 7. Nc2 Bxc3+ 8. bxc3 Nxe4 9. Qg4 Qa5 10. Qxe4 Qxc3+ 11. Bd2 Qb2 12. Qd3 Qe5+ 13. Be2 d5 14. cxd5 exd5 15. Qe3 Bf5 16. Qxe5+ Nxe5 17. Nd4 Nd3+ 18. Bxd3 Bxd3 19. Be3 0-0 20. Kd2 Bc4 21. h4 a5 22. Rhb1 Rfb8 23. Bf4 Re8 24. Rxb7 Re4 25. Be3 Rxh4 26. Rab1 g6 27. Nf3 Rg4 28. Ne5 Rxg2 29. Nxf7 Bxa2 30. Nh6+ Kf8 31. Bc5+ Ke8 32. Re1+ 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.26"]
[Round "3"]
[White "Osbah Herrera, Otto Argenis"]
[Black "Gonzalez, Delvy"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "2163"]
[PlyCount "52"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 b5 7. Be3 Bb7 8. f3 e6 9. Qd2 Nbd7 10. Bd3 b4 11. Nd1 d5 12. exd5 Nxd5 13. Be4 N7f6 14. Bxd5 Nxd5 15. 0-0 Nxe3 16. Qxe3 Bc5 17. c3 0-0 18. Nf2 Qb6 19. Qe2 Bxd4 20. cxd4 Qxd4 21. Rfd1 Qb6 22. Rd2 Rac8 23. Rad1 Bd5 24. b3 Rc3 25. Kh1 Re3 26. Qf1 Rc8 0-1

