[Event "Quito"]
[Site "Quito"]
[Date "1976.??.??"]
[Round "?"]
[White "Panno, Oscar"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2520"]
[BlackElo "2370"]
[PlyCount "87"]
[EventDate "1976.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 Nd7 10. b4 f5 11. Ba3 Nf6 12. f3 Bh6 13. c5 Be3+ 14. Kh1 f4 15. Nc4 Bd4 16. Nb5 Bxa1 17. Qxa1 Ne8 18. Nxc7 Nf5 19. exf5 Qxc7 20. fxg6 hxg6 21. cxd6 Nxd6 22. Nxe5 Bf5 23. Qd4 g5 24. Bb2 Qh7 25. Ng4 Rae8 26. Bd1 Bxg4 27. fxg4 Re3 28. Bc2 Ne4 29. Kg1 Rc8 30. Bd3 Rd8 31. Bc1 Rxd3 32. Qxd3 Nd6 33. Qd4 Qg7 34. Qxa7 Qe5 35. Qb6 Rc8 36. Qf2 Ne4 37. Qe2 Qxd5 38. Bb2 Nd2 39. Rd1 Rc2 40. Qe8+ Kh7 41. Qh5+ Kg8 42. Qh8+ Kf7 43. Qh7+ Ke6 44. Qxc2 1-0

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "2"]
[White "Castro, German"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "56"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 Nf6 5. h3 0-0 6. Be3 c6 7. Bd3 b5 8. 0-0 Bb7 9. Qc1 b4 10. Ne2 Nbd7 11. Bh6 e5 12. Bxg7 Kxg7 13. Ng3 Ne8 14. Rd1 Qe7 15. c3 c5 16. d5 a5 17. Bb5 Nb6 18. Nh2 f5 19. exf5 gxf5 20. Nh5+ Kh8 21. Qh6 Nxd5 22. Bxe8 Raxe8 23. Nf3 Rg8 24. Qd2 Nf4 25. Nxf4 Bxf3 26. Re1 exf4 27. Rxe7 Rxg2+ 28. Kh1 Reg8 0-1

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "7"]
[White "De Greif, Boris"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "136"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. h4 c5 4. dxc5 Qa5+ 5. Nc3 Nf6 6. Bd3 Na6 7. Kf1 h5 8. a3 Qxc5 9. Be3 Qc7 10. f3 d6 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. Nge2 0-0 14. Kf2 Rfc8 15. Qd2 Nc5 16. Rhg1 b5 17. Bd4 e5 18. Bxc5 Rxc5 19. b4 Rc4 20. Nd5 Nxd5 21. Qxd5 Qc6 22. Qxc6 Rxc6 23. c3 Ra6 24. g4 hxg4 25. Rxg4 Rd8 26. h5 d5 27. hxg6 fxg6 28. Rd1 d4 29. cxd4 exd4 30. Rd3 Rc6 31. f4 Kf7 32. e5 Rc4 33. Rg1 Bf8 34. Rb1 g5 35. Kf3 gxf4 36. Ke4 Bh6 37. Rf1 a6 38. Nxf4 Bxf4 39. Rxf4+ Ke7 40. Rf6 a5 41. bxa5 Ra8 42. Kf5 Rc3 43. Re6+ Kf7 44. Rxc3 dxc3 45. Rc6 Rxa5 46. Rc7+ Ke8 47. Rxc3 Ra6 48. Rh3 Kd7 49. Rh7+ Ke8 50. Rb7 Kf8 51. Rxb5 Rxa3 52. Kf6 Rf3+ 53. Ke6 Ra3 54. Rb8+ Kg7 55. Rd8 Ra6+ 56. Ke7 Ra5 57. e6 Ra6 58. Rc8 Ra7+ 59. Kd6 Ra6+ 60. Kd7 Ra7+ 61. Rc7 Ra1 62. Ke7 Ra6 63. Rb7 Ra1 64. Kd6+ Kf8 65. Kd7 Kg7 66. Rc7 Kf8 67. Rc6 Ra7+ 68. Kd6 Ra1 1/2-1/2

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "4"]
[White "Garces, Napoleon"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "90"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 c6 7. Nc3 Qa5 8. Re1 Qh5 9. Qd2 e5 10. dxe5 dxe5 11. Qg5 Nbd7 12. Qxh5 Nxh5 13. Ng5 Nc5 14. Rb1 f5 15. b4 Ne6 16. Na4 e4 17. Nc5 Nxc5 18. bxc5 h6 19. Nh3 Be6 20. Bb2 Rf7 21. Bxg7 Kxg7 22. Rb4 Rd8 23. f3 e3 24. Rb3 Bxc4 25. Rxe3 Rd2 26. a3 Rfd7 27. Kf2 Rc2 28. Rb1 Ba6 29. Re5 Rdd2 30. Bf1 Kf6 31. f4 Rd5 32. Rxd5 cxd5 33. Ng1 Rxc5 34. Nf3 Rc2 35. Ne5 g5 36. Nd7+ Ke6 37. Nb8 gxf4 38. Nxa6 bxa6 39. Rb7 fxg3+ 40. hxg3 Ra2 41. Rxa7 Rxa3 42. e3 a5 43. Ra6+ Ke5 44. Rxh6 Nf6 45. Bh3 Ne4+ 0-1

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "11"]
[White "Rubinetti, Jorge Alberto"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E88"]
[PlyCount "57"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Nh5 10. Nge2 f5 11. Qd2 a6 12. 0-0-0 f4 13. Bf2 b5 14. Kb1 Nd7 15. Rc1 Qa5 16. a3 Bb7 17. Rc2 Rfc8 18. Nc1 Qd8 19. b4 a5 20. Nb3 axb4 21. axb4 Ba6 22. Rhc1 Bf8 23. Na2 Rxc2 24. Rxc2 Nb6 25. Na5 Na4 26. Nc6 Qd7 27. Qe2 Qb7 28. Nc1 Be7 29. Nb3 1/2-1/2

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "9"]
[White "Verduga Zavala, Denis"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "92"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Na5 12. Bg5 Bf5 13. Nh4 Be6 14. Qc1 Nc4 15. Rb1 b6 16. Bh6 Rc8 17. h3 Rc7 18. g4 Qc8 19. Bxg7 Kxg7 20. f4 f5 21. exf6+ exf6 22. Bxc4 Rxc4 23. Qe3 Bf7 24. Rbc1 Re8 25. Qd2 Rxe1+ 26. Qxe1 Qe6 27. Qd2 Qc8 28. Qe3 Qe6 29. Kf2 Ra4 30. Rc2 Qxe3+ 31. Kxe3 Be8 32. Rb2 Bd7 33. Kd3 Kf7 34. Ng2 Ke6 35. Ne3 Kd6 36. Kc2 Be6 37. Kb1 Ra3 38. Rb3 Ra5 39. Kb2 Ra4 40. Kb1 Bf7 41. Kb2 Be8 42. Ra3 Rxa3 43. Kxa3 Bb5 44. Kb3 Bd3 45. Kb2 Kc6 46. Kb3 Kd6 1/2-1/2

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "10"]
[White "Yepez Obando, Olavo"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "61"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d6 3. e4 Bg4 4. Bb5 a6 5. Bxc6+ bxc6 6. Nc3 Nf6 7. h3 Bh5 8. Qe2 Qb8 9. e5 Nd5 10. 0-0 e6 11. Ne4 Be7 12. c4 Nb6 13. b3 0-0 14. Bg5 Bxg5 15. Nexg5 d5 16. g4 Bg6 17. h4 h6 18. h5 hxg5 19. hxg6 Qd8 20. Qe3 f6 21. exf6 gxf6 22. c5 Nc8 23. Qxe6+ Kg7 24. Rae1 Na7 25. Kg2 Qe8 26. Qf5 Qxg6 27. Re7+ Rf7 28. Rxf7+ Qxf7 29. Rh1 Kg8 30. Rh6 Rf8 31. Nxg5 1-0

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "8"]
[White "Yepez Obando, Olavo"]
[Black "Gutierrez Herrera, Jose Antonio"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "89"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 0-0 5. f3 d6 6. Be3 Nbd7 7. Nge2 c5 8. Qd2 Qa5 9. Nc1 cxd4 10. Bxd4 a6 11. Be2 Ne5 12. Nb3 Qc7 13. Rc1 Qb8 14. 0-0 Be6 15. Nd5 Nxd5 16. cxd5 Bd7 17. f4 Ng4 18. Bxg4 Bxg4 19. Bxg7 Kxg7 20. f5 Qa7+ 21. Kh1 gxf5 22. exf5 f6 23. Rc4 h5 24. h3 Rh8 25. Re4 Kf7 26. Qe3 Qxe3 27. Rxe3 Rac8 28. hxg4 hxg4+ 29. Kg1 Rh5 30. Nd4 Rc4 31. Ne2 Rc2 32. Ng3 Rh8 33. Rfe1 Re8 34. Ne4 Rd8 35. R3e2 Rc4 36. Nc3 Rd7 37. Re4 Rdc7 38. Rxc4 Rxc4 39. Re4 Rc5 40. Rxg4 b5 41. a3 a5 42. Kf2 Ke8 43. Ke2 Kd7 44. Kd3 Kc7 45. b4 1-0

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "5"]
[White "Yepez Obando, Olavo"]
[Black "Idrovo, Franklin"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "82"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 e6 5. Nf3 Ne7 6. Be3 c6 7. a4 0-0 8. Be2 a5 9. 0-0 f5 10. Qd2 Nd7 11. e5 d5 12. h3 Re8 13. g4 Nf8 14. Nd1 b6 15. b3 Qc7 16. c4 Ba6 17. Nc3 Qb7 18. Rac1 Red8 19. Qa2 Rdb8 20. Rfd1 Qd7 21. Bf2 Bh6 22. Qd2 fxg4 23. hxg4 g5 24. fxg5 Bg7 25. Nh4 Nfg6 26. Nxg6 hxg6 27. Be3 Rf8 28. cxd5 exd5 29. Rf1 Bxe2 30. Qxe2 Rxf1+ 31. Rxf1 Rf8 32. Bf4 Qe6 33. Kg2 Rb8 34. Kg3 b5 35. Rf3 b4 36. Nd1 c5 37. dxc5 Nc6 38. Rd3 Rf8 39. Nf2 Qf7 40. Nh3 Qe6 41. Nf2 Re8 1/2-1/2

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "3"]
[White "Yepez Obando, Olavo"]
[Black "Rodriguez Gonzales, Jesus"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "57"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Bc4 Nf6 7. Bb3 Be7 8. Be3 0-0 9. Qe2 a6 10. 0-0-0 Qc7 11. g4 Na5 12. Kb1 Nxb3 13. cxb3 d5 14. Rc1 Qa5 15. e5 Ne4 16. f4 Bd7 17. Nxe4 dxe4 18. Qg2 Qd5 19. Rhd1 Rac8 20. Nc2 Qb5 21. a4 Qxb3 22. Rxd7 Rc4 23. Na1 Rxc1+ 24. Bxc1 Qf3 25. Qd2 Bh4 26. g5 h5 27. Rd8 Rxd8 28. Qxd8+ Kh7 29. g6+ 1-0

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "1"]
[White "Yepez Obando, Olavo"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "84"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 d5 4. Nc3 Bg7 5. h3 Nf6 6. e5 Ne4 7. Nxe4 dxe4 8. Ng5 c5 9. Bc4 0-0 10. dxc5 Qa5+ 11. c3 Qxc5 12. Qb3 e6 13. 0-0 Nc6 14. Nxe4 Qxe5 15. Qc2 b5 16. f4 Nd4 17. Qb1 Qc7 18. Bd3 Nf5 19. Bd2 Bb7 20. Rf2 Rad8 21. g4 Nd6 22. Nxd6 Rxd6 23. Bf1 b4 24. Qe1 Rfd8 25. Rc1 Qd7 26. Be3 bxc3 27. bxc3 Qa4 28. Rfc2 Be4 29. Rb2 f5 30. Bb5 Qd1 31. Rxd1 Rxd1 32. Qxd1 Rxd1+ 33. Kf2 Bxc3 34. Rb3 Bf6 35. g5 Be7 36. Be2 Rd7 37. Bc4 Bd5 38. Bxd5 exd5 39. Bd4 Kf7 40. Kf3 Bd6 41. Rb5 Ke6 42. Ra5 Bb8 1/2-1/2

[Event "Quito"]
[Site "Quito"]
[Date "1975.??.??"]
[Round "6"]
[White "Yepez Obando, Olavo"]
[Black "Yepez, Trotzky"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "58"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ECU"]
[EventCategory "3"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c6 7. Nf3 Qa5+ 8. Qd2 Qh5 9. h3 Bh6 10. e3 Ne4 11. Qe2 Nd7 12. Nfd2 Qxe2+ 13. Kxe2 Nxd2 14. Nxd2 Bg7 15. Rab1 e5 16. Ne4 d5 17. cxd5 cxd5 18. Nd6 e4 19. Rhc1 Nf6 20. Rc7 Ne8 21. Nxe8 Rxe8 22. Ba3 b6 23. Kd2 Bf8 24. Bxf8 Kxf8 25. Bf1 Be6 26. h4 Rec8 27. Rbc1 a6 28. Rxc8+ Rxc8 29. Rxc8+ Bxc8 1/2-1/2

[Event "Olympiad-21 Final C"]
[Site "Nice"]
[Date "1974.06.27"]
[Round "12"]
[White "Yepez Obando, Olavo"]
[Black "Friedgood, David"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "81"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "South Africa"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "RSA"]

1. e4 g6 2. d4 Bg7 3. f4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nb3 d6 7. Nc3 Nh6 8. Be2 f5 9. 0-0 0-0 10. Kh1 Kh8 11. Bf3 fxe4 12. Bxe4 Bf5 13. Qe2 Qd7 14. Bd2 Rae8 15. Rae1 e6 16. Qb5 Qc7 17. Qa4 d5 18. Bd3 a6 19. Qa3 Bxd3 20. cxd3 Nf5 21. Qc5 Nfd4 22. Ne2 b6 23. Qc1 Nxb3 24. axb3 Qd6 25. Ng1 Rc8 26. Qd1 Bxb2 27. Qg4 Rce8 28. Nf3 Bf6 29. Be3 d4 30. Bf2 Qd5 31. Bh4 Qf5 32. Bxf6+ Rxf6 33. Qxf5 Rxf5 34. Re4 Rd5 35. Ng5 Rb5 36. Nf7+ Kg7 37. Nd6 Re7 38. Nxb5 axb5 39. g3 Kf6 40. Rc1 Na5 41. b4 1-0

[Event "Olympiad-21 Final C"]
[Site "Nice"]
[Date "1974.06.24"]
[Round "9"]
[White "Yepez Obando, Olavo"]
[Black "Skalkotas, Nikolaos"]
[Result "1/2-1/2"]
[ECO "C15"]
[PlyCount "38"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Greece"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "GRE"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Nf6 6. Qxg7 Rg8 7. Qh6 Nc6 8. 0-0-0 Bd7 9. f3 Nxd4 10. Nxe4 Rg6 11. Qe3 Bxd2+ 12. Rxd2 Nxe4 13. fxe4 e5 14. c3 Nc6 15. Nf3 Qe7 16. Bb5 a6 17. Ba4 0-0-0 18. Rhd1 Rd6 19. Rxd6 cxd6 1/2-1/2

[Event "Olympiad-21 Final C"]
[Site "Nice"]
[Date "1974.06.21"]
[Round "7"]
[White "Camara, Helder"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "70"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. Nf3 d6 3. Nc3 Nbd7 4. e4 e5 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 Qc7 9. Qe2 Nh5 10. dxe5 dxe5 11. Ng5 Nf4 12. Bxf4 exf4 13. Qh5 Bxg5 14. Qxg5 Qe5 15. Qxe5 Nxe5 16. Bb3 Be6 17. Bxe6 fxe6 18. b3 Rad8 19. Rad1 Kf7 20. f3 Ke7 21. Kf2 Rxd1 22. Rxd1 g5 23. Ne2 h5 24. Nc1 h4 25. Ke2 Rd8 26. Rxd8 Kxd8 27. Nd3 Nd7 28. Kd2 Kc7 29. Kc3 Kd6 30. Nb2 Ne5 31. Nc4+ Nxc4 32. Kxc4 b6 33. b4 a6 34. Kb3 b5 35. c4 e5 1/2-1/2

[Event "Olympiad-21 Final C"]
[Site "Nice"]
[Date "1974.06.21"]
[Round "7"]
[White "Yepez Obando, Olavo"]
[Black "Onat, Ilhan"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "64"]
[EventDate "1974.06.15"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "TUR"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. g4 e6 7. Bg2 Nbd7 8. d3 d4 9. Ne2 Bb4+ 10. c3 dxc3 11. bxc3 Ne5 12. Qg3 Nxd3+ 13. Kf1 Nxc1 14. Rxc1 Bc5 15. e5 Nd7 16. Nd4 0-0 17. g5 Qc7 18. f4 Rad8 19. Be4 Nb6 20. Nf3 Be7 21. Qh4 g6 22. Nh2 Nc4 23. Re1 Nd2+ 24. Kg2 Nxe4 25. Rxe4 Rd2+ 26. Kf3 Rfd8 27. Ng4 R8d3+ 28. Re3 Qd8 29. c4 Rxe3+ 30. Nxe3 Qd3 31. Re1 Bc5 32. Qg3 Bxe3 0-1

[Event "Olympiad-21 Preliminaries B"]
[Site "Nice"]
[Date "1974.06.14"]
[Round "8"]
[White "Byrne, Robert Eugene"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "B79"]
[PlyCount "63"]
[EventDate "1974.06.07"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Kb1 Rfc8 12. Bb3 Ne5 13. Bg5 Rxc3 14. Qxc3 Qxc3 15. bxc3 Rc8 16. Rhe1 Nc4 17. h3 e5 18. Ne2 Ne8 19. Ng3 Be6 20. Nf1 Nc7 21. Bxc4 Bxc4 22. Rxd6 Nb5 23. Rd8+ Rxd8 24. Bxd8 Nxc3+ 25. Kb2 Na4+ 26. Ka3 b5 27. Be7 Be6 28. Ne3 Nb6 29. Kb4 f5 30. Kxb5 f4 31. Nd5 Kf7 32. Nxb6 1-0

[Event "Olympiad-21 Preliminaries B"]
[Site "Nice"]
[Date "1974.06.12"]
[Round "6"]
[White "Andersen, Borge"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E74"]
[PlyCount "69"]
[EventDate "1974.06.07"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Denmark"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 b5 8. cxb5 a6 9. bxa6 Bxa6 10. Nf3 Qa5 11. 0-0 Qb4 12. Qc2 Nbd7 13. Rfe1 Rfb8 14. Rab1 h6 15. Bd2 Bxe2 16. Rxe2 Qc4 17. b3 Qa6 18. Be1 Nh5 19. g3 g5 20. Kg2 Bf6 21. Nd1 g4 22. Ng1 Ne5 23. Ne3 Ng7 24. Bc3 h5 25. Bxe5 Bxe5 26. h3 Qc8 27. hxg4 hxg4 28. f3 gxf3+ 29. Nxf3 f6 30. Nxe5 fxe5 31. Rf2 Qd7 32. Rbf1 Rf8 33. a4 Rxf2+ 34. Rxf2 e6 35. Ng4 1-0

[Event "Olympiad-21 Preliminaries B"]
[Site "Nice"]
[Date "1974.06.10"]
[Round "4"]
[White "Suttles, Duncan"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "79"]
[EventDate "1974.06.07"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "ECU"]

1. d3 e5 2. c4 d6 3. Nc3 f5 4. g3 Nf6 5. Bg2 c6 6. Nf3 Be7 7. 0-0 Na6 8. Rb1 0-0 9. b4 Qe8 10. b5 Nc5 11. Ba3 e4 12. Nd4 d5 13. bxc6 bxc6 14. cxd5 cxd5 15. Rb5 Ne6 16. Bxe7 Nxd4 17. Rxd5 Nxe2+ 18. Qxe2 Qxe7 19. dxe4 fxe4 20. Bxe4 Nxe4 21. Qxe4 Qxe4 22. Nxe4 Bb7 23. Re5 Bxe4 24. Rxe4 Rab8 25. Ra4 Rf7 26. Rc1 g6 27. Rc2 Rbb7 28. Ra6 Kg7 29. h4 Rf5 30. f4 Rd5 31. Kf2 Rd3 32. Re2 Rf7 33. Re3 Rd2+ 34. Kf3 Rdd7 35. Rea3 Rc7 36. Kg4 Rb7 37. h5 Rbe7 38. hxg6 hxg6 39. R3a5 Kh7 40. Kg5 1-0

[Event "Olympiad-21 Preliminaries B"]
[Site "Nice"]
[Date "1974.06.07"]
[Round "1"]
[White "Feller, Joseph"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "83"]
[EventDate "1974.06.07"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 Bb4 6. Bd3 d5 7. e5 Nfd7 8. Nf3 Nc6 9. 0-0 a6 10. Qe2 Nb6 11. a3 Be7 12. Be3 Bd7 13. Nd2 Rc8 14. Rfc1 f5 15. exf6 Bxf6 16. Nb3 0-0 17. Rd1 Qe7 18. f4 g6 19. Rac1 Qg7 20. Bb1 Rce8 21. Kh1 Nc4 22. Bf2 Nd6 23. Rd3 Nf5 24. Rcd1 Qh6 25. g4 Nfxd4 26. Nxd4 Qxf4 27. Bg3 Qh6 28. Nf3 e5 29. g5 Bxg5 30. Nxg5 Qxg5 31. Rxd5 Bg4 32. Qd2 Bf3+ 33. Kg1 Qg4 34. Ba2 Kh8 35. Rd7 Nd4 36. Rxd4 exd4 37. Qxd4+ Qxd4+ 38. Rxd4 h6 39. Rf4 Rxf4 40. Bxf4 Kh7 41. Kf2 Bc6 42. Bd5 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "1"]
[White "Bianco, R."]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "50"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 g6 3. Nf3 Bg7 4. e3 c5 5. c3 b6 6. Bc4 0-0 7. 0-0 d5 8. Bd3 Ba6 9. Bxa6 Nxa6 10. Nbd2 Qc8 11. Qe2 Nc7 12. dxc5 bxc5 13. e4 e6 14. exd5 exd5 15. Re1 Re8 16. Qf2 Qf5 17. Rxe8+ Rxe8 18. Nb3 Ne4 19. Qc2 Ne6 20. Be3 Nxf4 21. Bxc5 Nh3+ 22. gxh3 Qxf3 23. Rf1 Qxh3 24. Bxa7 Re5 25. Bb8 Rg5+ 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "9"]
[White "Caro, Alberto Napoleon"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E69"]
[PlyCount "42"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. Nf3 d6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. d5 c5 10. h3 Ne8 11. Ne1 f5 12. Nd3 a6 13. a4 Ndf6 14. Kh2 b6 15. f4 Nxe4 16. Nxe4 fxe4 17. Bxe4 Bf5 18. Qe2 Bxe4 19. Qxe4 Ra7 20. Qe2 Raf7 21. Bd2 Qd7 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "18"]
[White "Contreras, Jose"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "89"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Be3 d6 8. a4 b6 9. Nc3 Nbd7 10. Qe2 Be7 11. f4 Bb7 12. Rae1 h5 13. h3 h4 14. Bf2 Nh5 15. Qe3 e5 16. fxe5 dxe5 17. Nb3 Nf4 18. Nd5 Bxd5 19. exd5 Nxd3 20. Qxd3 0-0 21. d6 Bxd6 22. Rd1 Rad8 23. Qxd6 Qxc2 24. Qd3 Qxb2 25. Rb1 Qa3 26. Qxa6 Ra8 27. Qb7 Nc5 28. Nxc5 bxc5 29. Ra1 Qc3 30. Bxh4 f6 31. Rfc1 Qd2 32. Qb3+ Kh8 33. Bf2 e4 34. Rxc5 f5 35. Be3 Qe2 36. Rc2 Qh5 37. Rf2 Rad8 38. Qb4 Rf7 39. Raf1 Rd3 40. Qc5 Rd1 41. a5 Rxf1+ 42. Rxf1 Qe2 43. Rf4 g5 44. Bd4+ Kg8 45. Qe5 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "11"]
[White "Cuellar Gacharna, Miguel"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E99"]
[PlyCount "56"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 h5 12. g5 h4 13. Kh1 f4 14. Rg1 Kf7 15. b4 Rh8 16. c5 Nf8 17. Ba3 Rh5 18. Rc1 a6 19. b5 dxc5 20. Bxc5 Nd7 21. Bb4 a5 22. Ba3 Nb6 23. Na4 Nxa4 24. Qxa4 Bf8 25. Qc4 Ke8 26. Nd3 Nf5 27. Bxf8 Ng3+ 28. hxg3 hxg3+ 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "3"]
[White "De Leon, Otto"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "53"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 b5 7. a3 Bb7 8. Nc3 d6 9. Be3 Nf6 10. f4 Nbd7 11. Qe2 Be7 12. f5 e5 13. Nb3 Nc5 14. Bg5 0-0 15. Nd2 Rfe8 16. Rf3 d5 17. Bxf6 Bxf6 18. Raf1 Rad8 19. Rg3 dxe4 20. Ndxe4 Bxe4 21. Nxe4 Nxe4 22. Bxe4 Qc4 23. Re3 Bg5 24. Rd3 Rd4 25. Re1 Rxd3 26. cxd3 Qc5+ 27. Qf2 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "7"]
[White "Fernan, Charles A"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "A24"]
[PlyCount "80"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nbd7 8. Rb1 a5 9. Bd2 h6 10. Qc1 Kh7 11. Ne1 Ng8 12. f4 f5 13. Nf3 c6 14. Kh1 Ngf6 15. fxe5 dxe5 16. e4 Nc5 17. Nxe5 Nxd3 18. Nxd3 Qxd3 19. Na4 Nxe4 20. Be3 Be6 21. Rd1 Qxc4 22. Qxc4 Bxc4 23. Nb6 Bxa2 24. Ra1 Bb3 25. Nxa8 Bxd1 26. Rxd1 Rxa8 27. Rd7 b5 28. Bd4 Rg8 29. g4 Kh8 30. Bb6 a4 31. Bh3 fxg4 32. Bg2 Re8 33. Rd8 Rxd8 34. Bxd8 Nf2+ 35. Kg1 Bxb2 36. Bxc6 a3 37. Bd5 Nd3 38. Be7 Nc1 39. Kg2 a2 40. Bxa2 Nxa2 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "14"]
[White "Gutierrez Herrera, Jose Antonio"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "82"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. g3 a6 7. Bg2 Nf6 8. 0-0 d6 9. Nce2 Be7 10. c4 0-0 11. b3 Nxd4 12. Qxd4 e5 13. Qd2 b5 14. cxb5 axb5 15. Nc3 b4 16. Na4 Bd7 17. Nb2 Qb7 18. Re1 Bc6 19. Nd3 Rab8 20. f3 Nd7 21. Bb2 Rfd8 22. f4 f6 23. Qc2 d5 24. exd5 Bxd5 25. Bxd5+ Qxd5 26. Qc4 Qxc4 27. bxc4 Nb6 28. Rad1 Nxc4 29. Ba1 b3 30. axb3 Rxb3 31. Nf2 Rxd1 32. Rxd1 Ne3 33. Re1 Nc2 34. Rc1 Nxa1 35. Rxa1 Bc5 36. Rc1 Bb6 37. fxe5 Rb2 38. Rf1 fxe5 39. Kg2 e4 40. Re1 Rxf2+ 41. Kh3 e3 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "12"]
[White "Jimenez Molina, Juan Leon"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "60"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. c4 d6 6. d3 0-0 7. Nc3 e5 8. Rb1 a5 9. a3 Nc6 10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. Bd2 g5 14. e3 Ng6 15. d4 e4 16. Ne1 g4 17. Ne2 h5 18. h4 gxh3 19. Bxh3 f4 20. Bxc8 Qxc8 21. Nxf4 Nxf4 22. gxf4 Qh3 23. Qe2 Kf7 24. f3 Rg8 25. Ng2 Bh8 26. Rb2 Rxg2+ 27. Qxg2 Rg8 28. Qxg8+ Kxg8 29. fxe4 Nxe4 30. Bc1 Ng3 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "5"]
[White "Padilla Liceaga, Jorge"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "90"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f3 d6 4. Nc3 Nf6 5. Be3 c6 6. Qd2 b5 7. g4 h5 8. gxh5 Nxh5 9. Bh3 Nd7 10. Bxd7+ Bxd7 11. 0-0-0 a5 12. f4 b4 13. Nce2 b3 14. cxb3 a4 15. b4 a3 16. b3 Nf6 17. Ng3 Ng4 18. Kb1 Qb6 19. Nf3 Nxe3 20. Qxe3 e5 21. Rhe1 Bg4 22. fxe5 dxe5 23. Ne2 0-0 24. h3 Bxf3 25. Qxf3 exd4 26. Nf4 Qxb4 27. e5 Qb5 28. Rxd4 Bxe5 29. Rde4 Bxf4 30. Rxf4 Rad8 31. Rh4 Qd3+ 32. Qxd3 Rxd3 33. Kc2 Rfd8 34. Re2 R8d4 35. Rhe4 Rxe4 36. Rxe4 Rxh3 37. b4 g5 38. Rc4 Rh4 39. Rc5 Rxb4 40. Rxg5+ Kf8 41. Kc3 Rb2 42. Rc5 Rxa2 43. Kb3 Re2 44. Kxa3 Re6 45. Kb3 f6 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "16"]
[White "Torres, Luis J"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "26"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. h3 0-0 6. f4 c6 7. Qd2 b5 8. a3 d5 9. e5 Ne8 10. Nf3 a5 11. Be2 f5 12. 0-0 Nd7 13. a4 b4 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "17"]
[White "Yepez Obando, Olavo"]
[Black "Chan, H."]
[Result "1-0"]
[ECO "A09"]
[PlyCount "159"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. d3 e5 5. Be2 g6 6. exd4 exd4 7. 0-0 Bg7 8. Re1 Nge7 9. Na3 0-0 10. Nc2 a5 11. b3 Re8 12. a3 Nf5 13. g3 Ne5 14. Nxe5 Rxe5 15. Bf4 Re8 16. b4 c6 17. Qd2 h5 18. h4 Bf6 19. Bf3 Be6 20. bxa5 Rxa5 21. Rab1 Ra7 22. Qb4 Bc8 23. Rxe8+ Qxe8 24. Re1 Qd8 25. Be5 Kg7 26. Bxf6+ Qxf6 27. Bg2 Qd6 28. c5 Qf6 29. Re4 Ra6 30. Rf4 Qe5 31. Be4 Ra7 32. Ne1 Qc7 33. Bxf5 Bxf5 34. Qxd4+ Kg8 35. Rf3 Rxa3 36. Re3 Be6 37. Ng2 Qd7 38. Qe4 Rc3 39. Nf4 Rxc5 40. Nxg6 Rc1+ 41. Kh2 Bd5 42. Ne7+ Qxe7 43. Qxd5 Qxh4+ 44. gxh4 cxd5 45. Re5 d4 46. Rd5 Rd1 47. Rxd4 f5 48. Rf4 Rxd3 49. Rxf5 Kg7 50. Rxh5 Kg6 51. Rg5+ Kh6 52. Ra5 Kg6 53. Kg2 Rb3 54. f3 Rb2+ 55. Kg3 Rb4 56. Rg5+ Kh6 57. Rd5 Kg6 58. Rd6+ Kg7 59. h5 Rc4 60. h6+ Kh7 61. Rb6 Rc1 62. Kg4 Ra1 63. Kg5 Rg1+ 64. Kf5 Rh1 65. Rxb7+ Kxh6 66. f4 Ra1 67. Re7 Ra4 68. Re4 Ra5+ 69. Kf6 Kh7 70. f5 Ra6+ 71. Kf7 Ra7+ 72. Re7 Ra6 73. Kf8+ Kh8 74. Re6 Ra8+ 75. Kf7 Kh7 76. Re1 Ra7+ 77. Re7 Ra5 78. Kf8+ Kh6 79. f6 Kg6 80. f7 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "2"]
[White "Yepez Obando, Olavo"]
[Black "Diaz Carias, Salvador"]
[Result "1-0"]
[ECO "A71"]
[PlyCount "71"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 0-0 9. Nd2 Re8 10. Be2 Na6 11. 0-0 Nc7 12. a4 b6 13. f4 Ba6 14. Bxa6 Nxa6 15. Qf3 h6 16. Bh4 Qd7 17. Nc4 Nb4 18. e5 dxe5 19. fxe5 Nh7 20. Rae1 Nc2 21. Re4 Nd4 22. Qd3 Nf5 23. Qh3 Qc8 24. g4 Nxh4 25. Qxh4 Ng5 26. Re3 Qa6 27. b3 Rad8 28. Qg3 Rf8 29. h4 Nh7 30. g5 h5 31. Rd3 Qc8 32. Ne4 Rd7 33. Nf6+ Bxf6 34. gxf6 Rdd8 35. e6 Rfe8 36. Ne5 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "13"]
[White "Yepez Obando, Olavo"]
[Black "Frey Beckman, Kenneth"]
[Result "1/2-1/2"]
[ECO "C93"]
[PlyCount "60"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bb7 13. Ng3 Na5 14. Bc2 Nc4 15. b3 Nb6 16. a4 c5 17. a5 Nbd7 18. d5 Be7 19. Nf5 Nh7 20. Nh2 Ndf8 21. g3 Bc8 22. h4 Ng6 23. Qf3 Bf8 24. Ng4 Ne7 25. Bd2 Ra7 26. Re2 Nxf5 27. exf5 Nf6 28. Nxf6+ Qxf6 29. Qe4 Qd8 30. f3 Be7 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "4"]
[White "Yepez Obando, Olavo"]
[Black "Gonzales, Eliseo"]
[Result "1/2-1/2"]
[ECO "E56"]
[PlyCount "90"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 c4 13. Qc2 Qe8 14. Ne5 Bb7 15. f4 Bxc3 16. bxc3 Nxe5 17. dxe5 Ne4 18. a4 Qc6 19. Bb1 Rad8 20. Rd4 Rxd4 21. exd4 f5 22. exf6 gxf6 23. Qxe4 Qxe4 24. Bxe4 Bxe4 25. Kf2 Ra8 26. g4 f5 27. Ke3 Bd5 28. h3 Kf7 29. Ba3 Bc6 30. Rb1 Rd8 31. Bc5 Ke8 32. Rg1 Kf7 33. a5 Be4 34. h4 Bd5 35. gxf5 exf5 36. Rg5 Be4 37. Bb6 Rd7 38. Bc5 h6 39. Rg1 Bd5 40. h5 Rd8 41. Rg6 Re8+ 42. Kf2 Re6 43. Rxe6 Kxe6 44. Bf8 Bc6 45. Kg3 Kf7 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "6"]
[White "Yepez Obando, Olavo"]
[Black "Grimaldi, Rene A"]
[Result "1/2-1/2"]
[ECO "C43"]
[PlyCount "45"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Be7 6. 0-0 0-0 7. Re1 Nc5 8. Bf1 Bg4 9. Nc3 c6 10. h3 Bh5 11. Bf4 Ne6 12. Bh2 Nd7 13. g4 Bg6 14. Bg2 Ndc5 15. Re2 Qb6 16. Rb1 d4 17. b4 dxc3 18. bxc5 Qa6 19. h4 h5 20. gxh5 Bxh5 21. Re3 Nxc5 22. Qe1 Ne6 23. Qxc3 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "19"]
[White "Yepez Obando, Olavo"]
[Black "Hernandez, Gustavo2222"]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "23"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 Na6 7. a3 Nc7 8. b4 b6 9. f3 0-0 10. Qd3 Nfe8 11. Bh3 Bg5 12. Bxc8 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "15"]
[White "Yepez Obando, Olavo"]
[Black "Martinez, JR."]
[Result "1-0"]
[ECO "E01"]
[PlyCount "53"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Bd6 7. d4 0-0 8. 0-0 Re8 9. Nc3 dxc4 10. bxc4 e5 11. e3 exd4 12. exd4 Bc7 13. Qc2 Nb6 14. Nd1 Be6 15. Ne3 h6 16. h3 Qe7 17. Rab1 Rad8 18. Kh2 Nh7 19. Rfe1 Qf8 20. a4 a5 21. Nh4 f5 22. d5 cxd5 23. cxd5 Rc8 24. Qd3 Red8 25. Nexf5 Bxf5 26. Nxf5 Nf6 27. Ne7+ 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "10"]
[White "Yepez Obando, Olavo"]
[Black "Sabga, Fred"]
[Result "1-0"]
[ECO "E01"]
[PlyCount "123"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Ne4 5. Nc3 Bb4 6. Qa4+ Nc6 7. Qc2 f5 8. Bg2 0-0 9. 0-0 Ne7 10. e3 Bxc3 11. bxc3 Ng6 12. cxd5 exd5 13. c4 c6 14. h4 Be6 15. Ba3 Rf6 16. Rab1 Qc8 17. h5 Nf8 18. Bxf8 Rxf8 19. c5 h6 20. Ne5 Rb8 21. Rb3 Qe8 22. Rfb1 Bc8 23. Ra3 Ra8 24. Bf3 Nf6 25. Qd1 Qe6 26. Kg2 Ne4 27. Qc2 Qf6 28. Rab3 Re8 29. Ng6 Qf7 30. R1b2 Rb8 31. Be2 Ra8 32. Qc1 a6 33. Qh1 Qe6 34. Qh4 Nf6 35. f3 Kh7 36. Ne5 Nd7 37. Ng6 Nf6 38. Nf4 Qd7 39. Bd1 Kg8 40. Bc2 Nh7 41. Ng6 Ng5 42. Ne5 Qe6 43. Ng6 Nh7 44. Qf4 Nf6 45. Nh4 Nxh5 46. Qxf5 Qxf5 47. Bxf5 g5 48. Bxc8 Raxc8 49. Nf5 Re6 50. Rxb7 Rf8 51. g4 Rxf5 52. gxf5 Rxe3 53. Kf2 Re8 54. Rb8 Rxb8 55. Rxb8+ Kf7 56. Rb6 Ng7 57. Rxc6 Nxf5 58. Rxa6 h5 59. a4 g4 60. fxg4 hxg4 61. a5 Nxd4 62. Rb6 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1973.??.??"]
[Round "8"]
[White "Yepez Obando, Olavo"]
[Black "Villasmil, Luis"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "51"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "18"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bc4 e6 7. Bb3 Bd7 8. Be3 Be7 9. Qe2 Nc6 10. 0-0-0 Rc8 11. f3 0-0 12. g4 Nxd4 13. Rxd4 Qc7 14. g5 Nh5 15. f4 g6 16. f5 exf5 17. Nd5 Qd8 18. Qd2 Bc6 19. exf5 gxf5 20. Rh4 Ng7 21. Rg1 Bxd5 22. Bxd5 Qd7 23. Bd4 Ne6 24. g6 Rxc2+ 25. Kb1 Nxd4 26. gxf7+ 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.09"]
[Round "16"]
[White "Yepez Obando, Olavo"]
[Black "Caro, Alberto Napoleon"]
[Result "1-0"]
[ECO "C95"]
[PlyCount "93"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. dxe5 dxe5 14. Nh2 Bf8 15. Qf3 c5 16. Ndf1 Qb6 17. g4 h6 18. Ne3 g6 19. h4 h5 20. g5 Nh7 21. Rd1 Rad8 22. Nd5 Bxd5 23. Rxd5 Qe6 24. Be3 Nb6 25. Rxd8 Rxd8 26. b3 Be7 27. Kg2 Kg7 28. Qh3 Qc6 29. Nf3 f6 30. gxf6+ Bxf6 31. Kh2 Rd6 32. Rg1 Nd7 33. Qf5 Bg5 34. Rxg5 Rf6 35. Qh3 Nxg5 36. Bxg5 Re6 37. Nd2 Nf6 38. f3 Re8 39. Nf1 Nh7 40. Bc1 Nf8 41. Qg3 Qd6 42. Ne3 Kf7 43. Nd5 Ne6 44. f4 exf4 45. Nxf4 Nxf4 46. Bxf4 Qf6 47. Bd6 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.08"]
[Round "15"]
[White "Yepez Obando, Olavo"]
[Black "Sigurjonsson, Gudmundur"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "78"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. e6 Bxb5 9. exf7+ Kd7 10. Nxb5 Qa5+ 11. Nc3 cxd4 12. Nxd4 Bxd4 13. Qxd4 Nc6 14. Qd1 Nf6 15. 0-0 Qc5+ 16. Kh1 Rhf8 17. Qf3 Rxf7 18. Be3 Qh5 19. Qxh5 Nxh5 20. Ne4 h6 21. Rad1 Kc7 22. g3 Nf6 23. Nxf6 Rxf6 24. c4 b6 25. Kg2 Raf8 26. Bd2 Rf5 27. b3 h5 28. Bc1 b5 29. cxb5 Rxb5 30. Be3 Kb7 31. Rf2 a5 32. Rfd2 Nb4 33. Rc1 Nd5 34. Bf2 e6 35. Rc4 Rb4 36. Rdc2 Ra8 37. Kf3 Rf8 38. Be1 Rb5 39. Ke2 Ra8 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.07"]
[Round "14"]
[White "Villarroel, Geber"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B43"]
[PlyCount "84"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 d6 8. Be3 b5 9. f4 Bb7 10. Qf3 Nbd7 11. Rae1 Be7 12. a3 h5 13. h3 h4 14. Bf2 g6 15. Qe3 e5 16. Nf3 Nh5 17. Ne2 Nxf4 18. Nxf4 exf4 19. Qxf4 Ne5 20. Nxe5 dxe5 21. Qxf7+ Kxf7 22. Bb6+ Ke6 23. Bxc7 Bc5+ 24. Kh2 Rac8 25. Ba5 Rhf8 26. Bd2 Bd4 27. b3 Bf2 28. Rd1 Bg3+ 29. Kg1 Bf4 30. Bb4 Rfd8 31. Ba5 Rd4 32. Rde1 g5 33. Bb6 Rd6 34. Ba5 Rg8 35. Rf3 g4 36. hxg4 Rxg4 37. Re2 Rd7 38. Be1 Rd4 39. Bf2 Rd8 40. Rh3 Bg5 41. Kh2 Bf4+ 42. Kh1 Bg5 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.06"]
[Round "13"]
[White "Yepez Obando, Olavo"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "E55"]
[PlyCount "79"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 b6 11. Rd1 Bxc3 12. bxc3 Qc7 13. Ba3 Re8 14. Rac1 Bb7 15. Ne5 a6 16. f4 Nd5 17. Rf1 f6 18. Nxd7 Qxd7 19. Bb3 b5 20. Bc5 Bc6 21. Rf2 f5 22. Qe5 Rac8 23. c4 bxc4 24. Bxc4 Bb5 25. Rb2 Bxc4 26. Rxc4 Rc7 27. Rc1 Rb7 28. Rcb1 Rxb2 29. Rxb2 Kf7 30. h3 h6 31. h4 Rd8 32. g3 Qc8 33. Kh2 Qa8 34. Kg1 Qc6 35. a3 Rd7 36. Kf2 Nf6 37. Qe1 Ne4+ 38. Kg1 Nxc5 39. Qc3 Qe4 40. Qxc5 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.04"]
[Round "12"]
[White "Kavalek, Lubomir"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "105"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 Nh5 8. Nh2 c5 9. Be2 Nf4 10. Bf3 f5 11. h4 Nd7 12. g3 Nh5 13. exf5 e4 14. Nxe4 Ne5 15. Be2 Bxf5 16. Nc3 Qf6 17. Be3 Rae8 18. 0-0 Bh3 19. Ne4 Qd8 20. Ng5 Bxf1 21. Nxf1 Nf6 22. f4 Nf7 23. Ne6 Qd7 24. Nxf8 Bxf8 25. Kg2 Nh6 26. Bf3 Nf5 27. Bf2 h5 28. Qd3 Kf7 29. Rb1 b6 30. b4 Bg7 31. bxc5 dxc5 32. Nd2 Nd6 33. Re1 Rxe1 34. Bxe1 Qf5 35. Qe2 Qd7 36. Nb1 Qe8 37. Qxe8+ Nfxe8 38. Be2 Nf5 39. Bd3 Ned6 40. Kf3 Nd4+ 41. Kf2 N4f5 42. a4 Bd4+ 43. Ke2 Bf6 44. Bf2 Bb2 45. Nd2 Ke7 46. Nf3 Kf6 47. Kd2 a5 48. Kc2 Ba1 49. Be1 Ne3+ 50. Kb3 Nef5 51. Kc2 Ne3+ 52. Kb1 Bd4 53. Ne5 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.03"]
[Round "11"]
[White "Yepez Obando, Olavo"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "86"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Be3 Nc6 7. Nc3 Qc7 8. 0-0 Ne5 9. h3 Bc5 10. f4 d6 11. Qe2 Ng6 12. Nb3 Bxe3+ 13. Qxe3 0-0 14. Rae1 b5 15. a3 Bb7 16. e5 dxe5 17. fxe5 Nd7 18. Bxg6 hxg6 19. Rf2 Rac8 20. Nd2 Qb6 21. Qxb6 Nxb6 22. Nde4 Nc4 23. Nd6 Nxd6 24. exd6 Rfd8 25. Rd2 Rd7 26. Kf2 Rcd8 27. Red1 f6 28. h4 Kf7 29. Ke3 e5 30. Ne4 Bxe4 31. Kxe4 Ke6 32. Rf1 Rxd6 33. Rxd6+ Rxd6 34. Ke3 f5 35. g3 e4 36. Rh1 Ke5 37. Rf1 Rd8 38. Rg1 g5 39. hxg5 Rh8 40. Rg2 Rh5 41. Kf2 g6 42. c3 Rxg5 43. Ke3 Rxg3+ 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.07.01"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E62"]
[PlyCount "113"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 c6 7. 0-0 Qa5 8. h3 Qb4 9. Qd3 d5 10. cxd5 cxd5 11. Ne5 Nc6 12. Bd2 Bf5 13. Nxc6 bxc6 14. Nxd5 Nxd5 15. Bxb4 Bxd3 16. Bxd5 cxd5 17. exd3 Bxd4 18. Rab1 Rfc8 19. Bxe7 Rc2 20. b4 Re8 21. Bc5 Bxc5 22. bxc5 Rxc5 23. Rb7 a6 24. Rfb1 Re6 25. R1b2 Rc3 26. R7b3 Rxb3 27. Rxb3 Kg7 28. Ra3 Kf6 29. Kg2 Ke5 30. Ra4 Rc6 31. Kf3 Rb6 32. Ke3 g5 33. f4+ gxf4+ 34. Rxf4 Rg6 35. Kf3 f5 36. Rb4 d4 37. Ra4 Rc6 38. Ra5+ Ke6 39. Kf4 Rc3 40. Rxa6+ Kf7 41. Kxf5 Rxd3 42. Ra7+ Kg8 43. Kf4 Rd1 44. Ra3 d3 45. Ke3 Rg1 46. Rxd3 Rxg3+ 47. Kd4 Rg2 48. a3 Kf7 49. Kc4 Ke6 50. a4 Ra2 51. Kb5 Kf5 52. a5 Kg5 53. Rd4 Kh5 54. a6 Rb2+ 55. Rb4 Ra2 56. Kb6 Rf2 57. a7 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.30"]
[Round "9"]
[White "Yepez Obando, Olavo"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]
[ECO "B49"]
[PlyCount "41"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. Be2 b5 8. Nxc6 Qxc6 9. e5 Bb7 10. Bf3 Qc7 11. 0-0 Rc8 12. Bxb7 Qxb7 13. Qd3 Ne7 14. a3 Nf5 15. Rad1 Be7 16. Rfe1 0-0 17. Bc1 Rfd8 18. Ne4 d5 19. exd6 Nxd6 20. Nxd6 Rxd6 21. Qe2 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.29"]
[Round "8"]
[White "Benko, Pal C"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "65"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. g3 Bg7 6. Bg2 0-0 7. Nf3 Na6 8. 0-0 Nc7 9. a4 a6 10. Bf4 Rb8 11. a5 b5 12. axb6 Rxb6 13. Ra2 Nh5 14. Bd2 e5 15. Na4 Rb8 16. Ba5 Qe7 17. e4 f5 18. Nxc5 Ne8 19. Na4 f4 20. Nb6 Bg4 21. Ra3 Nhf6 22. Qc2 fxg3 23. hxg3 Bh6 24. b4 Nd7 25. Nh2 Nxb6 26. Nxg4 Bg5 27. c5 Nc8 28. Nh2 Ra8 29. Qc4 Qb7 30. Bh3 Nc7 31. Bxc8 Qxc8 32. Nf3 Be7 33. Nxe5 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.27"]
[Round "7"]
[White "Yepez Obando, Olavo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B57"]
[PlyCount "92"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. Bb3 Nxd4 8. Qxd4 g6 9. Bg5 Bg7 10. f3 0-0 11. Qd2 b5 12. a4 bxa4 13. Nxa4 Be6 14. Bxe6 fxe6 15. 0-0 Qc7 16. Rf2 Nh5 17. Bh6 Rab8 18. Bxg7 Kxg7 19. b3 Nf4 20. Qe3 Rb5 21. Rd2 e5 22. g3 Ne6 23. Nc3 Ra5 24. Rf1 Rf7 25. Kg2 Qc8 26. Nd5 Ra2 27. c3 Ra3 28. f4 Qc5 29. Qe2 exf4 30. gxf4 Rxb3 31. f5 Nf8 32. Nxe7 Qxc3 33. Nd5 Qe5 34. f6+ Kh8 35. Rc2 h6 36. Qc4 Rfb7 37. Ne7 d5 38. Qxd5 Qxd5 39. exd5 Rb2 40. Rff2 Rxc2 41. Rxc2 Rb6 42. Rc6 Kh7 43. Rc7 Rxf6 44. Rxa7 Rd6 45. Kf3 Rd7 46. Rxd7 Nxd7 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.26"]
[Round "6"]
[White "Slujssar, Anatoly"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "54"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 Nf6 6. Nd2 Qc7 7. Bd3 Bc5 8. N2f3 d6 9. 0-0 Nbd7 10. c3 0-0 11. Qe2 b5 12. Bd2 Bb7 13. Rae1 e5 14. Nf5 Rfe8 15. Ng3 d5 16. Bg5 h6 17. Bxf6 Nxf6 18. exd5 e4 19. Nxe4 Nxe4 20. Bxe4 f5 21. Qd3 fxe4 22. Rxe4 Rxe4 23. Qxe4 Qf7 24. Rd1 Rd8 25. c4 bxc4 26. Qxc4 Rxd5 27. Re1 Bxf2+ 0-1

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.25"]
[Round "5"]
[White "Yepez Obando, Olavo"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "E58"]
[PlyCount "39"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nf3 d5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5 11. Bb2 Bg4 12. Qe1 Bh5 13. Nh4 Ng4 14. g3 Bg6 15. Nxg6 hxg6 16. f3 Nf6 17. Qf2 Rad8 18. Rad1 Rfe8 19. Rfe1 Qb6 20. Kg2 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.24"]
[Round "4"]
[White "Barcza, Gedeon"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "58"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 0-0 6. Bg2 c5 7. 0-0 Na6 8. c4 Bd7 9. Nc3 Qc8 10. Re1 Rd8 11. Qd2 cxd4 12. Nxd4 Nc5 13. Rac1 a5 14. Nd5 Nxd5 15. Bxd5 Bc6 16. Nxc6 bxc6 17. Bxg7 Kxg7 18. Bg2 Ra6 19. h4 h5 20. Kh2 Qc7 21. a3 Kg8 22. Rb1 d5 23. cxd5 cxd5 24. b4 axb4 25. axb4 Ne4 26. Bxe4 dxe4 27. Qe3 Qb6 28. Qxb6 Rxb6 29. Rb2 Rb5 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.22"]
[Round "3"]
[White "Yepez Obando, Olavo"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "70"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 Ne4 7. 0-0 Bxc3 8. bxc3 0-0 9. Nd2 Nxd2 10. Bxd2 f5 11. f3 d6 12. Qc2 Nd7 13. e4 fxe4 14. Bxe4 Bxe4 15. Qxe4 Re8 16. f4 Nf6 17. Qf3 Qd7 18. a4 a5 19. Ra2 Rac8 20. f5 exf5 21. Qxf5 Qxf5 22. Rxf5 Re2 23. Rf2 Rxf2 24. Kxf2 Re8 25. Kf1 Ne4 26. Be1 Kf7 27. Re2 Re6 28. Re3 c6 29. Ke2 d5 30. cxd5 cxd5 31. Kd3 Nd6 32. Rf3+ Rf6 33. Rh3 h6 34. Rh5 g5 35. h4 Kg6 1/2-1/2

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.21"]
[Round "2"]
[White "Addison, William G"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "77"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. d4 Nf6 5. g3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 a5 10. Be3 exd4 11. Nxd4 Re8 12. Qc2 Nc5 13. Nb3 Nfd7 14. Rad1 Qe7 15. Rfe1 Ne5 16. Nxc5 dxc5 17. Na4 Bxh3 18. Bxh3 Nf3+ 19. Kf1 Nxe1 20. Rxe1 Bd4 21. Bxd4 cxd4 22. c5 Rad8 23. Qd3 h5 24. e5 h4 25. f4 hxg3 26. Kg2 Qh4 27. Re4 f5 28. exf6 Qxf6 29. Nb6 Rxe4 30. Qxe4 d3 31. Nd7 Qxb2+ 32. Kxg3 d2 33. Qe6+ Kh7 34. Qe7+ Kh6 35. Qg5+ Kh7 36. Qxd8 Qc3+ 37. Kh2 Qc2 38. Nf6+ Kg7 39. Qe7+ 1-0

[Event "Caracas"]
[Site "Caracas"]
[Date "1970.06.20"]
[Round "1"]
[White "Yepez Obando, Olavo"]
[Black "Stein, Leonid"]
[Result "0-1"]
[ECO "E82"]
[PlyCount "108"]
[EventDate "1970.06.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "VEN"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Bd3 e5 8. Nge2 c5 9. d5 Ne8 10. Qd2 f5 11. a3 Nd7 12. b4 Ndf6 13. Bg5 Qc7 14. 0-0 f4 15. Nc1 h6 16. Bxf6 Bxf6 17. Nb3 Bd8 18. Rab1 a6 19. bxc5 bxc5 20. Rb2 g5 21. g4 h5 22. h3 Nf6 23. Be2 Ra7 24. Kg2 Qh7 25. Rh1 Raf7 26. Qd3 Qg7 27. Nd2 Ba5 28. Rb8 Nd7 29. Rbb1 Qf6 30. Nd1 Rh7 31. Nf2 Kg7 32. Bd1 Rfh8 33. Be2 Nf8 34. Nb3 Bc7 35. Qc3 Qd8 36. Rbg1 Ng6 37. Kf1 a5 38. Nc1 Bd7 39. Bd1 a4 40. Ke2 Ba5 41. Qb2 Qa8 42. Qc2 Rb8 43. Qd3 Rb2+ 44. Bc2 Qh8 45. Nd1 Rxc2+ 46. Qxc2 hxg4 47. fxg4 Rxh3 48. Nf2 Re3+ 49. Kd1 Qb8 50. Rh3 Nh4 51. Rxe3 fxe3 52. Nfd3 Nf3 53. Rg3 Nd4 54. Qa2 Bd2 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Colon Romero, Miguel"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "84"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 0-0 7. Be2 e5 8. 0-0 Ne8 9. Bg5 f6 10. Bh4 a6 11. a4 Qc7 12. Nd2 f5 13. f4 exf4 14. Rxf4 h6 15. Rf1 g5 16. Bf2 f4 17. Bg4 Bxg4 18. Qxg4 Nd7 19. Nf3 Ne5 20. Nxe5 Bxe5 21. h4 Nf6 22. Qe6+ Rf7 23. hxg5 hxg5 24. Rfe1 Re8 25. Qf5 Rh7 26. Rad1 Kf7 27. Rd3 g4 28. Ne2 Rh5 29. Nxf4 Rxf5 30. Ne6 Qa5 31. exf5 Rg8 32. Kf1 g3 33. Bxc5 Rh8 34. Ng5+ Kg8 35. Bg1 Rh5 36. Nf3 Rxf5 37. Rb3 Qxa4 38. Rxb7 Qxc4+ 39. Re2 Ng4 40. Rb8+ Kg7 41. Rb7+ Kg6 42. Rb8 Rxf3+ 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Garcia, Silvino"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "27"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[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. f4 Qc7 7. Bd3 g6 8. 0-0 Bg7 9. Kh1 0-0 10. Qe1 Nbd7 11. Nf3 e5 12. Qh4 b5 13. a3 Bb7 14. fxe5 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Hook, William"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "95"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 0-0 7. Be2 e5 8. 0-0 Ne8 9. Ne1 f5 10. exf5 gxf5 11. f4 e4 12. Bd2 Nf6 13. Nc2 a6 14. Ne3 b6 15. Rb1 a5 16. a3 Na6 17. h3 Ra7 18. Kh1 Raf7 19. Rf2 Nc7 20. Na4 Nce8 21. b4 axb4 22. axb4 Nd7 23. Bh5 Rf6 24. Bc3 Rh6 25. Bxe8 Qxe8 26. Bxg7 Kxg7 27. bxc5 bxc5 28. Nb6 Nxb6 29. Rxb6 Qd8 30. Qa1+ Kg8 31. Rb8 Qh4 32. Rf1 Qg3 33. Qe1 Qg6 34. Kh2 Qf6 35. Qe2 Rg6 36. Rfb1 Kh8 37. Ra8 Rgg8 38. Rbb8 Bd7 39. Rxf8 Rxf8 40. Rxf8+ Qxf8 41. Qb2+ Kg8 42. Qb6 Kf7 43. Qc7 Ke7 44. Qa7 Qf6 45. Qb7 h5 46. g3 Qc3 47. Nxf5+ Kf6 48. Qxd7 1/2-1/2

[Event "Pinichina Zonal playoff"]
[Site "Pichincha"]
[Date "1969.??.??"]
[Round "1"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E76"]
[PlyCount "81"]
[EventDate "1969.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "ECU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. dxe6 Bxe6 9. Bd3 Nc6 10. f5 Bd7 11. 0-0 Nd4 12. Bg5 Bc6 13. Qd2 Qd7 14. Nxd4 cxd4 15. Nd5 Bxd5 16. exd5 b5 17. cxb5 Rae8 18. fxg6 fxg6 19. Rae1 Rxe1 20. Rxe1 Re8 21. Rxe8+ Qxe8 22. Kf1 Kf7 23. Qe2 Qe5 24. Bxf6 Bxf6 25. Qxe5 dxe5 26. Ke2 Ke7 27. Be4 Kd6 28. b4 Be7 29. Kd3 Kc7 30. Kc4 Bd6 31. a4 Kb7 32. a5 Kb8 33. b6 axb6 34. axb6 Kc8 35. Kb5 Kb7 36. g3 Bf8 37. d6+ Kb8 38. Kc6 Bg7 39. Kd7 d3 40. Bxd3 Kb7 41. Ke7 1-0

[Event "Pinichina Zonal playoff"]
[Site "Pichincha"]
[Date "1969.??.??"]
[Round "3"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "56"]
[EventDate "1969.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "ECU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 d5 6. e3 Be7 7. cxd5 exd5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 0-0 11. b3 Nc6 12. Bb2 Rfe8 13. Rc1 Rac8 14. Nxc6 bxc6 15. Na4 Ne4 16. f3 Ng5 17. Qd3 Red8 18. Bd4 Ne6 19. Nc5 Bxc5 20. Bxc5 Qb7 21. Rc2 h6 22. Rfc1 Nxc5 23. Rxc5 Re8 24. Qc3 Qe7 25. Qd4 Qxe3+ 26. Qxe3 Rxe3 27. Rxd5 Rce8 28. Rd2 Re2 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Jimenez Zerquera, Eleazar"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "D14"]
[PlyCount "36"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Rac1 Rac8 13. a3 a6 14. Rc2 Rc7 15. Rfc1 Rfc8 16. Ne2 Ne7 17. Rxc7 Rxc7 18. Rxc7 Qxc7 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Munoz, Cesar"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "77"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. Bg5 h6 9. Bxf6 Bxf6 10. e3 Bg7 11. Qb3 c6 12. Rad1 Qe7 13. Rfe1 e4 14. Nd2 f5 15. f3 exf3 16. Nxf3 Qf7 17. Nd2 Nf6 18. Qc2 Be6 19. b3 d5 20. Nf3 Ne4 21. Ne5 Bxe5 22. dxe5 Nxc3 23. Qxc3 Rad8 24. cxd5 Bxd5 25. Rd4 Bxg2 26. Kxg2 Rd5 27. Red1 Rxe5 28. Rd6 Rfe8 29. R1d3 a6 30. Kf2 Kh7 31. Qb4 R8e7 32. Rd8 c5 33. Qb6 c4 34. bxc4 g5 35. R3d6 f4 36. Rxh6+ Kg7 37. gxf4 gxf4 38. Rg6+ Kh7 39. Rh6+ 1/2-1/2

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Salas Chavez, Narciso"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "126"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Nh5 10. Nge2 f5 11. 0-0 f4 12. Bf2 a6 13. a4 Nd7 14. b4 Rf7 15. Qb3 Bf8 16. a5 g5 17. Na4 Rg7 18. Nb6 Nxb6 19. Bxb6 Qe8 20. Rac1 g4 21. Kf2 Nf6 22. Ke1 Qh5 23. Kd2 Bd7 24. Bg1 gxf3 25. gxf3 Qh3 26. Qb1 Be8 27. Rc3 Rg2 28. Qc1 Bh6 29. Kc2 Ng4 30. fxg4 f3 31. Qe1 Qxg4 32. Bf2 fxe2 33. Qxe2 Qxe2+ 34. Bxe2 Bg6 35. Bf3 Rxh2 36. Kd1 Rf8 37. Ke2 Bg5 38. Rh1 Rxh1 39. Bxh1 Bh5+ 40. Ke1 Bd2+ 41. Kxd2 Rxf2+ 42. Ke3 Rh2 43. Rc1 Bg4 44. Rg1 Rh3+ 45. Kf2 h5 46. Rb1 Ra3 47. b5 Rxa5 48. bxa6 bxa6 49. Rb6 Kg7 50. Rxd6 h4 51. Rb6 Ra1 52. Kg2 Ra2+ 53. Kg1 h3 54. Rd6 h2+ 55. Kf1 Bh3+ 56. Ke1 Bg2 57. Rxa6 Rxa6 58. Bxg2 h1Q+ 59. Bxh1 Ra1+ 60. Kd2 Rxh1 61. Kc3 Kf6 62. Kc4 Rc1+ 63. Kb5 Ke7 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Campos Lopez, Mario"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "51"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 0-0 7. g4 Ne8 8. h4 Nc7 9. Qd3 e5 10. g5 b5 11. cxb5 a6 12. b6 Ne8 13. Qg3 Qxb6 14. Nf3 Ra7 15. h5 Bh8 16. Nd2 Qd8 17. Nc4 Nc7 18. a4 Rb7 19. Qh4 Na8 20. a5 Re7 21. Ne3 Nc7 22. Bg4 Rfe8 23. Bxc8 Qxc8 24. Ng4 Kf8 25. Nf6 Nd7 26. Nxh7+ 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Cuartas, Carlos Enrique"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "70"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nc6 5. Be3 Nh6 6. Be2 d5 7. e5 Nf5 8. Bf2 h5 9. Nf3 e6 10. Qd2 Bd7 11. Nd1 Nce7 12. b3 Bc6 13. Nb2 Qd7 14. a4 a5 15. 0-0 Rd8 16. Rfd1 b6 17. c3 Kf8 18. Nd3 Kg8 19. g3 Bb7 20. Rac1 Bf8 21. h3 Rc8 22. g4 Ng7 23. Bh4 c5 24. Nb2 c4 25. b4 axb4 26. cxb4 hxg4 27. hxg4 Nc6 28. Kg2 Bxb4 29. Qe3 c3 30. Nd3 Ba6 31. Bf6 Ba3 32. Rh1 Rxh1 33. Rxh1 Nxd4 34. f5 Bc1 35. Nxc1 Bxe2 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Idrovo, Franklin"]
[Result "1-0"]
[ECO "A71"]
[PlyCount "69"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 a6 9. Nd2 b5 10. Be2 Qc7 11. Qc2 0-0 12. a4 b4 13. Nd1 Ne8 14. g4 f5 15. gxf5 gxf5 16. Ne3 fxe4 17. Rg1 Qf7 18. 0-0-0 Kh8 19. Ndc4 Nd7 20. Qxe4 Qxf2 21. Rg2 Qf7 22. Rf1 Ndf6 23. Qh4 Rb8 24. Rgf2 Qg6 25. b3 Kg8 26. Rg2 Nd7 27. Rfg1 Kh8 28. Be7 Bf6 29. Qe1 Qe4 30. Bxf8 h6 31. Bd1 Bg5 32. Bxh6 Ne5 33. Bc2 Qd4 34. Kb1 Nd3 35. Rxg5 1-0

[Event "Pinichina Zonal playoff"]
[Site "Pichincha"]
[Date "1969.??.??"]
[Round "2"]
[White "Yepez Obando, Olavo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "78"]
[EventDate "1969.??.??"]
[EventType "match"]
[EventRounds "3"]
[EventCountry "ECU"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Be6 10. Nc4 Rc8 11. Ne3 Qb6 12. Ncd5 Qd8 13. Bc4 Bg7 14. 0-0 0-0 15. c3 Ne7 16. Qb3 b5 17. Nxe7+ Qxe7 18. Bd5 Kh8 19. a4 Rb8 20. a5 Bh6 21. Nc2 Rg8 22. Kh1 Rg6 23. Nb4 Rbg8 24. Bxe6 fxe6 25. g3 f5 26. exf5 exf5 27. Qd5 Qg5 28. Nxa6 e4 29. f4 Qh5 30. Qd1 Qh3 31. Qe2 Rxg3 32. Rg1 Bxf4 33. Rxg3 Bxg3 34. Rg1 f4 35. Qg2 Qh5 36. Qd2 f3 37. Qd4+ Be5 38. Rxg8+ Kxg8 39. Qg1+ Kh8 0-1

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Pena, Gustavo"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "55"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Nc3 b5 8. Bb3 Bb7 9. Qe2 cxd4 10. exd4 Be7 11. Rd1 0-0 12. Bg5 Nc6 13. Rac1 Nd5 14. Ne4 h6 15. Nc5 hxg5 16. Nxb7 Qd7 17. Nc5 Nf4 18. Qe4 f5 19. Qxf4 Bxc5 20. Nxg5 Nxd4 21. Qh4 Rfc8 22. Qh7+ Kf8 23. Qh8+ Ke7 24. Qxg7+ Ke8 25. Qxd7+ Kxd7 26. Nxe6 Ke7 27. Nxd4 Bxd4 28. Rxc8 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Rojas Sepulveda, Eduardo"]
[Result "1-0"]
[ECO "D72"]
[PlyCount "91"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Bg7 6. e4 Nb6 7. Ne2 Nc6 8. d5 Ne5 9. h3 0-0 10. 0-0 e6 11. Nbc3 exd5 12. exd5 Nec4 13. b3 Nd6 14. a4 Re8 15. Bb2 Nd7 16. Rc1 Nf6 17. Nd4 Bd7 18. Kh2 a6 19. Qd2 Nfe4 20. Nxe4 Nxe4 21. Qc2 Bxd4 22. Bxd4 Bf5 23. g4 Qd6+ 24. f4 Ng3 25. gxf5 Re2 26. Qc5 Nxf1+ 27. Rxf1 Qxc5 28. Bxc5 gxf5 29. Rf3 f6 30. Rf2 Re1 31. d6 cxd6 32. Bxb7 Rd8 33. Rg2+ Kf8 34. Bd4 d5 35. Bb6 Rd7 36. Bc6 Rg7 37. Bc5+ Kg8 38. Bxd5+ Kh8 39. Bd4 Rxg2+ 40. Kxg2 Kg7 41. Bc4 Re4 42. Bc3 Rxf4 43. Bxa6 Kf7 44. Bc4+ Ke7 45. a5 Kd7 46. a6 1-0

[Event "Quito/Guayaquil Zonal"]
[Site "Quito/Guayaquil"]
[Date "1969.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Sanchez, Luis Augusto"]
[Result "1/2-1/2"]
[ECO "C66"]
[PlyCount "69"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "12"]
[EventCountry "ECU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Be7 5. 0-0 d6 6. d4 Bd7 7. Re1 a6 8. Bxc6 Bxc6 9. b3 exd4 10. Nxd4 Bd7 11. h3 0-0 12. Bb2 Re8 13. Qf3 Bf8 14. Rad1 g6 15. Nd5 Nxd5 16. exd5 Bg7 17. Rxe8+ Bxe8 18. Bc3 Bd7 19. Ne2 Rc8 20. Ng3 Qf8 21. Re1 f5 22. a4 Re8 23. Rxe8 Bxe8 24. Ne2 Be5 25. Bxe5 dxe5 26. Qe3 Qd6 27. c4 c6 28. f4 e4 29. Qb6 Qd7 30. d6 Qxd6 31. Kf2 Qd3 32. Qxb7 e3+ 33. Kf3 Qe4+ 34. Kg3 Qd3 35. Qb8 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "5"]
[White "Ader Hausman, Walter"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "57"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6 11. Qc2 c6 12. Rad1 Qe8 13. d5 c5 14. Ne1 a6 15. f3 f5 16. Nd3 Nf6 17. b4 b6 18. bxc5 bxc5 19. Rb1 fxe4 20. fxe4 Nfg4 21. Bg5 Nf7 22. Bd2 Bh6 23. Bxg4 Bxd2 24. Qxd2 Bxg4 25. Rf6 Qe7 26. Rbf1 Bd7 27. Nc1 Nh8 28. Qg5 Rxf6 29. Qxf6 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "2"]
[White "Estrada Degrandi, Walter"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "81"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 c5 7. 0-0 b6 8. Nb5 Na6 9. Be5 Bb7 10. c3 Qd7 11. a4 Rfc8 12. h3 Nb8 13. Bxb8 Rcxb8 14. Ne5 Qd8 15. Bd3 a6 16. Na3 Nd7 17. Nxd7 Qxd7 18. f4 Bc6 19. Nb1 c4 20. Bc2 b5 21. a5 b4 22. Nd2 b3 23. Bb1 Qc7 24. e4 e6 25. e5 Rb5 26. g4 Rxa5 27. Rxa5 Qxa5 28. Qf3 Qb6 29. Qe3 a5 30. f5 Be8 31. f6 Bf8 32. h4 a4 33. h5 a3 34. bxa3 Rxa3 35. Qh3 b2 36. hxg6 Qxd4+ 37. cxd4 Rxh3 38. gxh7+ Rxh7 39. Bxh7+ Kxh7 40. Nb1 Bb4 41. Kf2 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "7"]
[White "Martinez, Juan"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E68"]
[PlyCount "56"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Nc5 10. h3 Re8 11. Be3 Ncxe4 12. Nxe4 Nxe4 13. Qc2 Nxg3 14. fxg3 Rxe3 15. Nf3 Qe7 16. Rae1 Bd7 17. Qf2 Re8 18. Kh2 Bc6 19. Rxe3 Qxe3 20. Ng5 Qxf2 21. Rxf2 Bxg2 22. Kxg2 h6 23. Nf3 Re3 24. Rc2 f5 25. Kf2 Re4 26. b3 Kf7 27. Nd2 Bd4+ 28. Kf1 Re3 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "11"]
[White "Mendivil Salinas, Ismael"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "76"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Kh1 a6 10. f4 Qc7 11. Bf3 Nxd4 12. Bxd4 e5 13. Be3 Be6 14. Qe2 Bc4 15. Qf2 b5 16. Rfd1 b4 17. Ne2 d5 18. fxe5 Nxe4 19. Bxe4 dxe4 20. Ng3 Bxe5 21. Nxe4 f5 22. Nc5 Rf7 23. Rd2 Re8 24. Rad1 Bb5 25. a4 bxa3 26. bxa3 Bxh2 27. a4 Bg3 28. Qf3 Bc6 29. Nxa6 Bxf3 30. Nxc7 Rxc7 31. gxf3 Rxe3 32. Kg2 Bf4 33. Rf2 Rec3 34. Rd4 Be3 35. Rd8+ Kf7 36. Re2 Rxc2 37. Rd7+ Rxd7 38. Rxc2 Rd2+ 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "9"]
[White "Morales Garcia, Hugo"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "70"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 d6 8. Kh1 Nbd7 9. Be3 b5 10. a3 Bb7 11. Rc1 Be7 12. f3 0-0 13. f4 Rac8 14. f5 e5 15. Nde2 Rfd8 16. Ng3 d5 17. Nxd5 Nxd5 18. exd5 Bxd5 19. f6 Nxf6 20. Rxf6 Bxf6 21. Qg4 g6 22. h4 Bg7 23. h5 e4 24. Nxe4 Bxe4 25. Qxe4 Re8 26. Qf3 Qe7 27. Bf2 Bxb2 28. Re1 Qg5 29. Rxe8+ Rxe8 30. hxg6 hxg6 31. Qc6 Qc1+ 32. Kh2 Be5+ 33. g3 Re6 34. Qa8+ Kg7 35. Qd5 Qd2 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "13"]
[White "Pena, Gustavo"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "116"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. 0-0-0 Nbd7 11. Bd3 Qa5 12. Kb1 Nc5 13. Bc2 b5 14. Rc1 Bd7 15. Nge2 Rfc8 16. g4 Qd8 17. h4 Rab8 18. h5 a5 19. hxg6 fxg6 20. Bh6 Bh8 21. Nd1 b4 22. Bd3 Nxd3 23. Qxd3 Bb5 24. Qd2 Qd7 25. Ne3 Rxc1+ 26. Nxc1 a4 27. Nd3 b3 28. a3 Rc8 29. Rc1 Rc7 30. Nb4 Ne8 31. Nd1 Rxc1+ 32. Kxc1 Bf6 33. Nc3 Qc8 34. Kb1 Qc4 35. Nxb5 Qxb5 36. g5 Bd8 37. Qd3 Qxd3+ 38. Nxd3 Bb6 39. Kc1 Be3+ 40. Kd1 Kf7 41. Ke2 Bd4 42. Kd2 Nc7 43. Kc1 Na8 44. Kb1 Nb6 45. f4 exf4 46. Nxf4 Nc4 47. Nd3 Nd2+ 48. Kc1 Nxe4 49. Nb4 Be3+ 50. Kd1 Nf2+ 51. Ke2 Bd4 52. Nc6 Bxb2 53. Kxf2 Bd4+ 54. Nxd4 b2 55. Nb5 b1Q 56. Nxd6+ Ke7 57. Nc8+ Kd7 58. Na7 Qb6+ 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "15"]
[White "Perez Perez, Francisco Jose"]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "E68"]
[PlyCount "58"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Nc5 10. h3 Re8 11. Re1 a5 12. Kh2 Nfd7 13. f4 c6 14. Rb1 f5 15. Nb3 a4 16. Nxc5 Nxc5 17. Qc2 Qd7 18. b4 axb3 19. axb3 Nxe4 20. Nxe4 fxe4 21. Rxe4 Rxe4 22. Qxe4 Ra2 23. Kh1 Qf7 24. g4 h5 25. Bf3 hxg4 26. Bxg4 Bxg4 27. hxg4 Bd4 28. Be3 Qh7+ 29. Kg1 Bxe3+ 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "17"]
[White "Rossetto, Hector"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "60"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. 0-0 d6 8. Be3 b5 9. a3 Bb7 10. f3 Be7 11. Qe1 0-0 12. Qg3 Rd8 13. Bd3 Nbd7 14. Rae1 Rac8 15. f4 Nc5 16. Bf2 e5 17. Nf5 Bf8 18. Bxc5 Qxc5+ 19. Kh1 g6 20. Qg5 Nh5 21. fxe5 dxe5 22. Re3 f6 23. Qh4 Rd7 24. Ref3 Rf7 25. Ne3 Nf4 26. Rg3 Bg7 27. Rgf3 Rd8 28. Ng4 Rdf8 29. Nh6+ Bxh6 30. Qxh6 f5 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "14"]
[White "Yepez Obando, Olavo"]
[Black "Alvarez del Monte, Jose Luis"]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "81"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 Nc6 7. e4 d6 8. Be3 b6 9. Ne2 e5 10. Nc1 0-0 11. Nb3 Qc7 12. Be2 Ba6 13. d5 Ne7 14. g4 Ng6 15. Qd2 Qe7 16. Bg5 h6 17. Be3 Nh7 18. h4 Nxh4 19. Bxh6 Bxc4 20. Nc1 Bxe2 21. Kxe2 Qf6 22. Rxh4 Qxh4 23. Be3 Qh2+ 24. Bf2 Qh6 25. Be3 Qh2+ 26. Bf2 Qh6 27. Be3 Qg6 28. Kf2 f6 29. Ne2 Qf7 30. Rh1 Ng5 31. Ng3 g6 32. Rh6 Kg7 33. Bxg5 fxg5 34. Nf5+ Qxf5 35. Rh7+ Kxh7 36. gxf5 gxf5 37. Qxg5 fxe4 38. Qh5+ Kg7 39. Qg4+ Kh6 40. Qh4+ Kg7 41. Qg4+ 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "16"]
[White "Yepez Obando, Olavo"]
[Black "Boudy Bueno, Julio Leonardo"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "24"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. d4 b6 5. e3 Bb7 6. Bd3 Ne4 7. 0-0 f5 8. Ne2 0-0 9. a4 Bd6 10. b4 Rf6 11. Ng3 Rh6 12. c5 Nc3 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "1"]
[White "Yepez Obando, Olavo"]
[Black "Castillo, Francisco"]
[Result "1-0"]
[ECO "A71"]
[PlyCount "69"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5 0-0 9. Nd2 h6 10. Bh4 Re8 11. Be2 Na6 12. 0-0 Nc7 13. a4 b6 14. f4 Qd7 15. Bxf6 Bxf6 16. e5 Bg7 17. Nce4 Ba6 18. Bxa6 Nxa6 19. Nxd6 Rf8 20. Qe2 Nc7 21. Rad1 Rad8 22. b3 Ne8 23. N2e4 Nxd6 24. Nxd6 f6 25. Nc4 fxe5 26. fxe5 Rxf1+ 27. Qxf1 Qe8 28. Qf4 a6 29. e6 Bd4+ 30. Kh1 Rxd5 31. Qe4 Rd8 32. e7 Rd7 33. Qe6+ Kg7 34. Re1 Bc3 35. Qxd7 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "10"]
[White "Yepez Obando, Olavo"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]
[ECO "E55"]
[PlyCount "44"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 b6 11. Rd1 Bb7 12. Na2 Ba5 13. b3 Qe7 14. Bb2 Rfc8 15. Ne5 Nxe5 16. dxe5 Nd5 17. Nc3 Rd8 18. f3 h6 19. e4 Nb4 20. Rxd8+ Rxd8 21. Rd1 Rd7 22. Rxd7 Qxd7 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "12"]
[White "Yepez Obando, Olavo"]
[Black "Diaz Diaz, Joaquin Carlos"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "45"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nbd7 8. Qc2 c6 9. d5 Nc5 10. Bg5 h6 11. Bxf6 Qxf6 12. b4 Na6 13. dxc6 Nxb4 14. cxb7 Rb8 15. bxc8Q Nxc2 16. Qa6 Nxa1 17. Rxa1 Qe7 18. Nb5 Rfd8 19. Bf1 f5 20. Qxa7 Qe8 21. a4 Qc6 22. Qe3 Rb7 23. Nd2 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "4"]
[White "Yepez Obando, Olavo"]
[Black "Garcia Martinez, Silvino"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "112"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 e6 7. 0-0 Be7 8. Qe2 Nf6 9. Rd1 e5 10. h3 0-0 11. Bg5 a6 12. Rac1 h6 13. Bxf6 Bxf6 14. Nd5 Bg5 15. Rc3 Be6 16. Nxg5 Qxg5 17. Nb6 Rad8 18. Qe3 Bxc4 19. Qxg5 hxg5 20. Rxc4 g6 21. f3 f5 22. Rd2 Rf7 23. b4 Nd4 24. a4 fxe4 25. fxe4 Rdf8 26. Nd5 Rf1+ 27. Kh2 Re1 28. Rc7 Rf7 29. Rc8+ Kg7 30. Rd8 Ne2 31. Ne3 Nc3 32. Ng4 Rff1 33. Rd7+ Kf8 34. Rf2+ Rxf2 35. Nxf2 Re2 36. Kg3 Re3+ 37. Kh2 Re2 38. Kg3 Nxe4+ 39. Kf3 Rxf2+ 40. Kxe4 Rf4+ 41. Kd5 Rxb4 42. Ke6 g4 43. a5 gxh3 44. gxh3 Rd4 45. Rf7+ Ke8 46. Rg7 Kd8 47. h4 Kc8 48. Rxg6 Rxh4 49. Kxd6 Rd4+ 50. Kxe5 Ra4 51. Kd6 Kb8 52. Rg5 Rb4 53. Rh5 Rc4 54. Rc5 Rd4+ 55. Rd5 Rc4 56. Rc5 Rb4 1/2-1/2

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "8"]
[White "Yepez Obando, Olavo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "100"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 Qc7 8. Re1 b6 9. c3 Ba6 10. exd5 Nxd5 11. Nc4 0-0 12. Qe2 h6 13. Nfe5 Nxe5 14. Nxe5 Bb7 15. Ng6 Rfd8 16. Nxe7+ Nxe7 17. Bf4 Qd7 18. Bxb7 Qxb7 19. Rad1 Rd7 20. Qe4 Rad8 21. Qxb7 Rxb7 22. Kf1 Rbd7 23. Ke2 f6 24. Be3 Nc6 25. h4 h5 26. d4 cxd4 27. Bxd4 Nxd4+ 28. Rxd4 Rxd4 29. cxd4 Rxd4 30. Rc1 Rd7 31. Rc8+ Kf7 32. Ra8 e5 33. Rh8 Kg6 34. Rc8 Kf5 35. f3 g6 36. Rc6 Rd4 37. Rc7 a5 38. Rb7 Rb4 39. b3 e4 40. Ke3 exf3 41. Kxf3 g5 42. Rb8 g4+ 43. Ke3 Re4+ 44. Kf2 Re6 45. Rh8 Rc6 46. Rxh5+ Ke4 47. Rb5 Rc2+ 48. Kg1 Kf3 49. Rf5+ Kxg3 50. Rxf6 Rc1+ 0-1

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "3"]
[White "Yepez Obando, Olavo"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "127"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. Nb3 Qc7 7. g3 a6 8. Bg2 e6 9. 0-0 d6 10. a4 b6 11. f4 Be7 12. Be3 Rb8 13. Qe2 0-0 14. Rad1 Rd8 15. g4 Ne8 16. g5 b5 17. Qf2 b4 18. Ne2 g6 19. a5 Nxa5 20. Nxa5 Qxa5 21. Nd4 Qc7 22. f5 e5 23. fxg6 fxg6 24. Qf7+ Kh8 25. Nc6 Rb7 26. Nxd8 Qxd8 27. Qf3 Ng7 28. h4 b3 29. Rc1 Be6 30. Bh3 Qg8 31. Rf2 Bxh3 32. Qxh3 Qe6 33. Qf3 Rb8 34. cxb3 Qxb3 35. Rc3 Qe6 36. Rc7 Kg8 37. Kg2 Rf8 38. Qd1 Rd8 39. Qd5 Qxd5 40. exd5 Re8 41. Rfc2 Nf5 42. Bf2 a5 43. Rc8 Rxc8 44. Rxc8+ Kf7 45. Kf3 h6 46. Kg4 hxg5 47. hxg5 e4 48. Kf4 e3 49. Be1 e2 50. Bxa5 Nh4 51. Ke3 Bxg5+ 52. Kxe2 Nf5 53. Kd3 Ne7 54. Rc7 Ke8 55. Ke4 Ng8 56. Rc8+ Kf7 57. Bc3 Bf6 58. Rxg8 Bxc3 59. Rb8 Be1 60. Rb7+ Ke8 61. Rg7 Kd8 62. Rxg6 Kc7 63. Kf5 Bb4 64. Ke6 1-0

[Event "Cardenas/Matanzas/Santa Clara"]
[Site "Santa Clara"]
[Date "1968.??.??"]
[Round "6"]
[White "Yepez Obando, Olavo"]
[Black "Macskasy, Elod"]
[Result "1-0"]
[ECO "E07"]
[PlyCount "81"]
[EventDate "1968.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. g3 dxc4 6. Bg2 a6 7. 0-0 Nbd7 8. e4 0-0 9. a4 Rb8 10. Qe2 b5 11. axb5 axb5 12. Bf4 Ne8 13. Rfd1 Nd6 14. e5 Nf5 15. d5 Qe8 16. g4 Nh6 17. Bxh6 gxh6 18. Qe3 Kh8 19. Qxh6 Rg8 20. dxe6 fxe6 21. h3 Nc5 22. Qe3 Bb7 23. Nd4 Bxg2 24. Kxg2 Nd3 25. Ne4 Nxe5 26. f4 Nxg4 27. hxg4 Rxg4+ 28. Ng3 Qg6 29. Nde2 Rg8 30. Rh1 Bd6 31. Rh3 e5 32. fxe5 Re4 33. Qf3 Bxe5 34. Rah1 Rxe2+ 35. Qxe2 Bxg3 36. Rxh7+ Qxh7 37. Rxh7+ Kxh7 38. Qh5+ Kg7 39. Kxg3 Kf6+ 40. Kf4 c6 41. Qe5+ 1-0

[Event "Caracas Zonal"]
[Site "Caracas"]
[Date "1967.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]
[ECO "B89"]
[PlyCount "42"]
[EventDate "1967.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. f4 Qc7 10. Qe2 Bd7 11. f5 exf5 12. Nxf5 Bxf5 13. exf5 0-0 14. g4 d5 15. g5 d4 16. gxf6 Bxf6 17. Ne4 Qe5 18. Bg5 Rae8 19. Bxf6 Qxe4 20. Qxe4 Rxe4+ 21. Kd2 gxf6 1/2-1/2

[Event "ECU-ch"]
[Site "Quito"]
[Date "1967.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Garces, Napoleon"]
[Result "1-0"]
[ECO "B94"]
[PlyCount "113"]
[EventDate "1967.??.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "ECU"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. Bg5 Qa5 8. Qd2 e6 9. 0-0-0 b5 10. Bb3 Bb7 11. Rhe1 Be7 12. f4 Nc5 13. Bd5 Rc8 14. Bxb7 Nxb7 15. Nb3 Qc7 16. a3 0-0 17. f5 Qc4 18. Qd3 Qxd3 19. Rxd3 Nc5 20. Nxc5 dxc5 21. e5 Nd5 22. f6 Bd8 23. Nxd5 exd5 24. Rxd5 Re8 25. Red1 h6 26. Bh4 Bc7 27. Rxc5 Bxe5 28. Rxc8 Rxc8 29. fxg7 Kxg7 30. h3 Bf4+ 31. Kb1 Rc6 32. Bf2 h5 33. Rd5 Kg6 34. Rd4 Be5 35. Re4 Kf5 36. Rh4 Kg5 37. Re4 Kf5 38. Rh4 Kg5 39. g4 Rh6 40. Rxh5+ Rxh5 41. gxh5 Kxh5 42. b3 Bc3 43. Kc1 Kg5 44. Bg3 Kf5 45. Kd1 Ke4 46. h4 Ke3 47. Be1 Be5 48. h5 Kf4 49. Bd2+ Kg4 50. h6 Kh5 51. Ke2 Kg6 52. c4 f5 53. c5 f4 54. Kf3 Kf5 55. c6 Ke6 56. Bxf4 Bb2 57. h7 1-0

[Event "Caracas Zonal"]
[Site "Caracas"]
[Date "1967.??.??"]
[Round "?"]
[White "Yepez Obando, Olavo"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "A39"]
[PlyCount "108"]
[EventDate "1967.??.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nf6 5. Nf3 Nc6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Rd1 Be6 11. Qd2 Bxc4 12. Bxb7 Rb8 13. Bg2 Nd7 14. Qc2 Qa5 15. Bd2 Rfc8 16. Nd5 Qd8 17. Bc3 Bxd5 18. Bxd5 Bxc3 19. bxc3 Qa5 20. Rac1 Nf6 21. e4 Rc5 22. Bb3 Rbc8 23. c4 Nd7 24. Qc3 Qxc3 25. Rxc3 Nb6 26. Rd4 Kf8 27. Kg2 Ke8 28. Kf3 Kd7 29. Ke3 a5 30. a3 e5 31. Rdd3 Nxc4+ 32. Bxc4 Rxc4 33. Rb3 Ke6 34. f3 R8c6 35. Rb8 Rc3 36. Re8+ Kd7 37. Rf8 Ke7 38. Ra8 R6c5 39. Ra7+ Ke6 40. Ra6 Rxd3+ 41. Kxd3 h5 42. a4 f5 43. Ra7 fxe4+ 44. fxe4 Rc1 45. Rxa5 Rh1 46. Ra8 Rxh2 47. a5 Ra2 48. a6 Kd7 49. a7 Kc7 50. Rg8 Rxa7 51. Rxg6 Kc6 52. Rh6 Ra3+ 53. Ke2 Rxg3 54. Rxh5 Kc5 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Hernandez, Gustavo4444"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "A79"]
[PlyCount "62"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 g6 5. Nf3 Bg7 6. e4 0-0 7. Be2 d6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Rb8 12. a4 Nb4 13. Nc4 Bf8 14. Bg5 h6 15. Bh4 g5 16. Bf2 b6 17. Re1 a6 18. Qd2 Nh5 19. g3 Nf6 20. Bf1 Bg7 21. Rad1 Rb7 22. Bg2 b5 23. axb5 axb5 24. Na3 Bd7 25. Bf1 Qb8 26. g4 Nh7 27. Ne2 Nf8 28. Ng3 Ng6 29. Nh5 Ne5 30. Bg2 Bh8 31. h3 f6 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Yepez Obando, Olavo"]
[Black "Schorr, Leon"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "54"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "VEN"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Nf4 0-0 8. Be2 c5 9. 0-0 Qc7 10. b3 Nc6 11. d5 Ne5 12. Bb2 Rac8 13. Qd2 Ng6 14. Nxg6 hxg6 15. Rad1 exd5 16. Nxd5 Nxd5 17. Qxd5 d6 18. a4 Bb7 19. Qd3 Rfe8 20. Bf3 Bxf3 21. gxf3 Rcd8 22. Qc2 Bf6 23. Rd5 Bxb2 24. Qxb2 Re5 25. Rfd1 Rxd5 26. Rxd5 Re8 27. Qd2 Re6 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "Cassidy, Raymond"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "53"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Nf3 0-0 7. Be2 e5 8. 0-0 Ne8 9. Bg5 f6 10. Bh4 a6 11. Qd2 Nd7 12. Ne1 h5 13. h3 Kh7 14. Nd3 Bh6 15. Qc2 Ng7 16. Bg3 g5 17. Bh2 f5 18. exf5 Nxf5 19. Ne1 Kg7 20. Qd1 h4 21. Nc2 Nf6 22. Bd3 b6 23. Ne4 Ra7 24. Qe2 Raf7 25. Nxf6 Qxf6 26. Qe4 Kh8 27. Ne3 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "Yepez Obando, Olavo"]
[Black "Kerr, Brian"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "53"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "IRL"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. d4 Nc6 7. 0-0 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 Na7 12. b4 c6 13. Qd3 Bd7 14. e4 Nc8 15. e5 Ne8 16. d5 cxd5 17. Nxd5 e6 18. Ne3 d5 19. Bd4 Nc7 20. Nd2 Na8 21. Nb3 Nab6 22. f4 Nc4 23. Nc5 N8b6 24. Rf2 Nxe3 25. Qxe3 Nc4 26. Qc3 Bc6 27. Ra1 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.15"]
[Round "11"]
[White "Rego, Francisco Ernesto"]
[Black "Yepez Obando, Olavo"]
[Result "1-0"]
[ECO "E67"]
[PlyCount "89"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Portugal"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "POR"]
[BlackTeamCountry "ECU"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. d4 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Qc2 c6 10. Rd1 Qa5 11. e4 Qc5 12. b3 Re8 13. a4 Qa5 14. Ba3 Bf8 15. Bxf8 Nxf8 16. Rd6 Kg7 17. Qd2 Be6 18. Rd1 h6 19. h3 N8d7 20. Qb2 Qb4 21. Na2 Qc5 22. Bf1 a5 23. Nc3 Re7 24. g4 g5 25. Qc2 Rg8 26. Ne2 Kh7 27. Ng3 h5 28. Qd2 h4 29. Nh5 Nxh5 30. Nxg5+ Rxg5 31. Qxg5 Nhf6 32. Qxh4+ Kg6 33. g5 Ng8 34. Be2 Kg7 35. Bg4 Nf8 36. Bf5 Ng6 37. Qh5 Re8 38. h4 Qb6 39. Qg4 Nf4 40. h5 Ne7 41. h6+ Kh8 42. Bxe6 Nxe6 43. Rxe6 fxe6 44. Qxe6 Rf8 45. Qxe5+ 1-0

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.15"]
[Round "11"]
[White "Yepez Obando, Olavo"]
[Black "Durao, Joaquim Manuel"]
[Result "1/2-1/2"]
[ECO "C91"]
[PlyCount "44"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Portugal"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "POR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Be3 Na5 11. dxe5 Bxf3 12. Qxf3 dxe5 13. Nd2 c5 14. Bc2 Qc7 15. Rad1 Rfd8 16. Nf1 Rxd1 17. Rxd1 Rd8 18. Ng3 Rxd1+ 19. Qxd1 Qd6 20. Qxd6 Bxd6 21. Nf5 Bf8 22. Bg5 Nc4 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Myagmarsuren, Lhamsuren"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "121"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Mongolia"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "MGL"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. Bb3 Qa5 11. Nde2 Rfc8 12. 0-0 Ne5 13. Rad1 Nc4 14. Bxc4 Rxc4 15. a3 Rac8 16. Rf2 b5 17. Nf4 Kf8 18. Nd3 Qc7 19. g4 e6 20. Bh6 a5 21. Qg5 b4 22. axb4 axb4 23. Nb5 Bxb5 24. Bxg7+ Kxg7 25. Qxb5 Qc6 26. Qxc6 R8xc6 27. Rdd2 Nd7 28. b3 Rd4 29. Nc1 Rxd2 30. Rxd2 Nc5 31. Rd4 Na6 32. Rc4 Rxc4 33. bxc4 Nc5 34. Kf2 Kf6 35. Na2 b3 36. cxb3 Nxb3 37. Ke3 Na5 38. f4 g5 39. e5+ dxe5 40. fxg5+ Kxg5 41. c5 Kxg4 42. Nb4 f5 43. c6 Nc4+ 44. Kf2 e4 45. c7 Nb6 46. Nc6 f4 47. Ne7 Kh3 48. c8Q Nxc8 49. Nxc8 Kxh2 50. Nd6 e3+ 51. Kf3 e2 52. Kxe2 Kg2 53. Ne4 h5 54. Nf2 h4 55. Nd3 Kg3 56. Kf1 h3 57. Kg1 h2+ 58. Kh1 f3 59. Nc5 f2 60. Ne4+ Kf3 61. Ng3 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Tsagan, T."]
[Black "Yepez Obando, Olavo"]
[Result "0-1"]
[ECO "B83"]
[PlyCount "94"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Mongolia"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "MGL"]
[BlackTeamCountry "ECU"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Be7 7. Be2 Nc6 8. Qd2 0-0 9. f4 e5 10. Nxc6 bxc6 11. fxe5 dxe5 12. Qxd8 Rxd8 13. 0-0 Ng4 14. Bxg4 Bxg4 15. h3 Be6 16. b3 a5 17. Na4 f6 18. Rad1 Bf7 19. Bc5 Kf8 20. Kf2 h5 21. Ke3 h4 22. Rd3 Rxd3+ 23. cxd3 Bxc5+ 24. Nxc5 Ke7 25. Rc1 Rb8 26. Na4 Kd6 27. Nb2 Rb4 28. Rc3 g6 29. Kf3 Be6 30. g4 hxg3 31. Kxg3 f5 32. exf5 gxf5 33. Nc4+ Bxc4 34. bxc4 Kc5 35. Rc2 Kd4 36. Re2 Rb8 37. Kf2 a4 38. h4 a3 39. Kf3 Rh8 40. Kg3 Rg8+ 41. Kh3 Re8 42. Rf2 e4 43. dxe4 fxe4 44. Kg2 e3 45. Rf4+ Kd3 46. Kf1 Rb8 47. Rf3 Kd2 0-1

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Bastas, Grigorios"]
[Black "Yepez Obando, Olavo"]
[Result "1/2-1/2"]
[ECO "E74"]
[PlyCount "70"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Ecuador"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "ECU"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Bg5 h6 7. Bh4 0-0 8. Be2 Qa5 9. Qc2 Nxe4 10. Rc1 Bf5 11. Bd3 Nxc3 12. bxc3 Bxd3 13. Qxd3 Qxa2 14. Ne2 Re8 15. 0-0 Qa5 16. f4 Nd7 17. g4 a6 18. g5 hxg5 19. Bxg5 e6 20. Qh3 exd5 21. Qxd7 Rxe2 22. f5 Qa2 23. Bf4 Be5 24. Bxe5 dxe5 25. Qxd5 e4 26. Qe5 g5 27. Rcd1 e3 28. Rd6 Qxc4 29. h3 Kh7 30. Qf6 Qh4 31. Qxf7+ Kh8 32. Qf6+ Kg8 33. Qe6+ Kf8 34. Qf6+ Kg8 35. Qe6+ Kf8 1/2-1/2

[Event "Olympiad-17 Final C"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Yepez Obando, Olavo"]
[Black "Vizantiadis, Lazaros"]
[Result "1/2-1/2"]
[ECO "E93"]
[PlyCount "54"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ecuador"]
[BlackTeam "Greece"]
[WhiteTeamCountry "ECU"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. d5 0-0 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 g4 12. Nh2 Nxg3 13. fxg3 h5 14. 0-0 Bh6 15. Kh1 Nf6 16. Bd3 Ne8 17. Qc2 Ng7 18. Rae1 Bd7 19. Rf2 a6 20. Nf1 Rb8 21. Ne3 c5 22. a4 Kh7 23. Kg1 f6 24. Nf5 Nxf5 25. exf5 Qa5 26. Rff1 Qb4 27. b3 Qb6 1/2-1/2

