[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Diaz Diaz, Joaquin Carlos"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2260"]
[BlackElo "2340"]
[PlyCount "117"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nge2 Ne7 8. 0-0 0-0 9. Qd2 Rb8 10. a4 d6 11. Ra2 Nec6 12. Nd1 Nb4 13. Bxd4 Bxd4 14. Ra3 Bg7 15. c3 Nc6 16. Ne3 a6 17. f4 b5 18. axb5 axb5 19. h3 Ne7 20. Kh2 f5 21. exf5 Nxf5 22. Nxf5 exf5 23. Bd5+ Kh8 24. Ng1 b4 25. Raa1 bxc3 26. bxc3 Bb7 27. Bxb7 Rxb7 28. Rfc1 Re7 29. Re1 Rxe1 30. Rxe1 Qa5 31. Rc1 Rb8 32. Ne2 Re8 33. Rc2 Qa8 34. Ng1 h6 35. Ra2 Qb7 36. Rb2 Qc6 37. Rc2 Kh7 38. h4 Re7 39. Qf2 Qa6 40. Qd2 Qa8 41. Rc1 Qe8 42. Kg2 Qc6+ 43. Nf3 c4 44. d4 Bf6 45. Kf2 Qd5 46. Re1 Rb7 47. Re2 Rb3 48. Qe3 Kg7 49. Rc2 Kf7 50. Qe2 Rb7 51. Nd2 Rc7 52. Qf3 Qa5 53. Nf1 d5 54. Ne3 Rd7 55. h5 Qa1 56. Nxd5 Bg7 57. Re2 Qa4 58. hxg6+ Kxg6 59. Nb6 1-0

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2260"]
[BlackElo "2385"]
[PlyCount "52"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. d3 Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. Bg5 c6 9. Ba4 h6 10. Bh4 g5 11. Bg3 d6 12. Nd2 h5 13. h4 Bg4 14. Qe1 Nd7 15. Nc4 gxh4 16. Nxd6+ Kf8 17. Bh2 Qg5 18. Qc1 Qg6 19. Nf5 Bxf5 20. exf5 Qxf5 21. d4 Rg8 22. Qh6+ Ke7 23. Bxe5 Nxe5 24. Rfe1 Rxg2+ 25. Kxg2 Rg8+ 26. Kf1 Qh3+ 0-1

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Lopez Colon, Francisco"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2260"]
[BlackElo "2205"]
[PlyCount "127"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Bg7 8. Bc4 Qa5 9. Qe3 Nbd7 10. 0-0 0-0 11. Rad1 d5 12. exd5 cxd5 13. Bb3 e6 14. Qf4 b5 15. a3 Qb6 16. Rfe1 a5 17. a4 b4 18. Ne2 Rfc8 19. Bh6 Bh8 20. Ng3 Qc7 21. Qc1 Ra6 22. Re3 Rc6 23. Rf3 Bg7 24. Bf4 Qb6 25. Qe3 Ne8 26. Bh6 Ndf6 27. Bxg7 Kxg7 28. Qg5 h6 29. Qe3 Qc7 30. Rd3 Nd6 31. Rxf6 Kxf6 32. Bxd5 Nf5 33. Nxf5 exd5 34. Nxh6 Re6 35. Ng4+ Kg7 36. Qh6+ Kg8 37. Re3 Qd6 38. Rg3 Rxc2 39. f4 Rxb2 40. Rf3 Qb6 41. f5 Re1+ 42. Kh2 Qd6+ 43. Rf4 Re4 44. Ne5 Rxf4 45. fxg6 fxg6 46. Qxf4 Qe6 47. Qh6 Qf6 48. Nxg6 Qd6+ 49. Kg1 Rb1+ 50. Kf2 Qf6+ 51. Kg3 Re1 52. h4 Rf1 53. h5 Qd6+ 54. Kg4 Qe6+ 55. Kg3 Qe1+ 56. Kh3 Rh1+ 57. Kg4 Qd1+ 58. Kg5 Qd2+ 59. Nf4 Qxd4 60. Qe6+ Kh7 61. h6 Qa7 62. Qg6+ Kh8 63. Qe8+ Kh7 64. Ng6 1-0

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "2"]
[White "Betancort Curbelo, Juan"]
[Black "Marino Bravo, Marco Antonio"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2260"]
[PlyCount "102"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 f6 6. exf6 Nxf6 7. Be2 Bd6 8. 0-0 0-0 9. Nbd2 Qc7 10. h3 Bd7 11. Bd3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Nf3 Bd6 15. Re1 Rae8 16. Rxe8 Rxe8 17. Be3 Bc6 18. Qc2 Ne4 19. Bxe4 dxe4 20. Qb3+ Qf7 21. Qxf7+ Kxf7 22. Nd2 b6 23. a3 h6 24. b4 Ke6 25. Rd1 Rd8 26. Rc1 g5 27. Nc4 Bf4 28. bxc5 Bb5 29. Bxf4 gxf4 30. Nd6 Bc6 31. Re1 e3 32. fxe3 bxc5 33. Nc4 f3 34. gxf3 Bxf3 35. Kf2 Be4 36. Kg3 Rd3 37. Kf4 Rxc3 38. Nd2 Bc6 39. Rg1 Kf6 40. h4 Rxa3 41. e4 Rd3 42. Nf3 Rc3 43. Ne5 Be8 44. Ra1 Rh3 45. Ra6+ Kg7 46. Rxa7+ Kf8 47. Kg4 Re3 48. Kf5 Rh3 49. Nd7+ Bxd7+ 50. Rxd7 Rxh4 51. e5 c4 1/2-1/2

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Moreno, A."]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2260"]
[BlackElo "2245"]
[PlyCount "97"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Nf3 Nd7 6. Be2 Qc7 7. 0-0 h6 8. b4 Ne7 9. a4 g5 10. Nbd2 Ng6 11. Nb3 Be7 12. Bd3 0-0 13. Bxf5 exf5 14. Qd3 f4 15. g3 f5 16. gxf4 g4 17. Ne1 Nb6 18. f3 h5 19. fxg4 hxg4 20. Ng2 Nc4 21. Nd2 Nxd2 22. Bxd2 Qd7 23. Be1 Rf7 24. Bg3 Raf8 25. Rab1 Rh7 26. c4 Rh3 27. cxd5 cxd5 28. Qb5 Qxb5 29. axb5 Bd8 30. Rbc1 Bb6 31. Rfd1 Kf7 32. Kf2 Ke6 33. Ke3 Kd7 34. Rc2 Ke6 35. Rdc1 Kd7 36. Kd3 Re8 37. Ne3 Ne7 38. Rf1 Ke6 39. Nd1 Rh7 40. Nb2 Bd8 41. Ra1 Bb6 42. Na4 Rb8 43. Rac1 Bd8 44. Nc5+ Kf7 45. Nd7 Ra8 46. Ra1 b6 47. Nf6 Rh8 48. Rca2 Nc8 49. Nxd5 1-0

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "5"]
[White "Betancort Curbelo, Juan"]
[Black "Sarasola, Juan"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2260"]
[PlyCount "91"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. e4 Bg7 6. Nf3 Bg4 7. Be2 Nbd7 8. 0-0 0-0 9. h3 Bxf3 10. Bxf3 Ne5 11. Be2 a6 12. a4 Ne8 13. Bg5 Qc7 14. f4 f6 15. Bh4 Nf7 16. Be1 Qd7 17. f5 Bh6 18. fxg6 hxg6 19. Bg4 Qd8 20. Be6 Kg7 21. Bxf7 Kxf7 22. Bd2 Rh8 23. Ra3 Qd7 24. Ne2 Ng7 25. a5 Bxd2 26. Qxd2 Rh4 27. Re3 Rah8 28. Qc3 Ke8 29. b4 Qc8 30. b5 g5 31. bxa6 bxa6 32. Ng3 g4 33. Nf5 Nxf5 34. exf5 Kf7 35. Qe1 Qd7 36. Rf4 R4h5 37. Rfe4 Qxf5 38. Rxe7+ Kg6 39. Rg3 Rg5 40. Re8 Kh7 41. hxg4 Rxe8 42. Qxe8 Qb1+ 43. Kh2 Qb2 44. Rh3+ Kg7 45. Qh8+ Kg6 46. Rh6+ 1-0

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "4"]
[White "Betancort Curbelo, Juan"]
[Black "Tebar Moreno, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2260"]
[PlyCount "122"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nge7 5. Nge2 g6 6. 0-0 Bg7 7. d3 0-0 8. Be3 Nd4 9. Qd2 d6 10. Nd1 Rb8 11. Nxd4 cxd4 12. Bh6 e5 13. Bxg7 Kxg7 14. f4 f6 15. c3 Nc6 16. h4 h6 17. Kh2 Bd7 18. Nf2 Rc8 19. Bh3 Bxh3 20. Kxh3 Qd7+ 21. Kh2 b5 22. Rac1 Rc7 23. c4 bxc4 24. dxc4 Rb7 25. Nd3 Rfb8 26. Rc2 f5 27. Qe2 exf4 28. Rxf4 Re8 29. g4 fxe4 30. Rxe4 Ne5 31. Rxd4 Nxc4 32. Re4 Rxe4 33. Qxe4 d5 34. Qd4+ Kh7 35. b3 Qd6+ 36. Kg2 Nb6 37. Rf2 Re7 38. Rf6 Re2+ 39. Kf3 Qe7 40. Rf4 g5 41. hxg5 hxg5 42. Rf5 Re4 43. Qc5 d4 44. Qxe7+ Rxe7 45. Re5 Rxe5 46. Nxe5 Nd5 47. Ke4 Nc3+ 48. Kxd4 Nxa2 49. Nd3 a5 50. Kc4 Kg7 51. Kb5 Kf7 52. Kxa5 Ke6 53. b4 Nc3 54. Nb2 Ke5 55. Na4 Nd5 56. b5 Kf4 57. Nc3 Ne3 58. Kb4 Nxg4 59. b6 Ne5 60. b7 Nd7 61. Kb5 Ke5 1/2-1/2

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Doncevic, Dario"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2360"]
[BlackElo "2260"]
[PlyCount "117"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. Nf3 Bg7 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 0-0 9. e5 dxe5 10. dxe5 Nd5 11. h4 Nxc3 12. bxc3 Qd5 13. Be4 Qc4 14. Bd2 Nd7 15. h5 Nc5 16. Bd3 Nxd3+ 17. cxd3 Qe6 18. hxg6 hxg6 19. d4 f6 20. Qh3 f5 21. Qd3 b5 22. a4 a6 23. 0-0 Rfd8 24. Be3 Rab8 25. Rfc1 Qc4 26. Qf1 Qxf1+ 27. Kxf1 e6 28. Ke2 Bf8 29. axb5 axb5 30. Ra7 Rdc8 31. Rca1 b4 32. c4 b3 33. Rb1 b2 34. Ra2 Rb4 35. Rbxb2 Rxc4 36. Kd3 Rb4 37. Rxb4 Bxb4 38. Kc4 Be7 39. Ra7 Kf8 40. Bd2 c5 41. d5 exd5+ 42. Kxd5 c4 43. Bc3 g5 44. g3 gxf4 45. gxf4 Rb8 46. Rc7 Kf7 47. Bd4 c3 48. Bxc3 Rb5+ 49. Kc4 Rb1 50. Kd5 Rb5+ 51. Kc4 Rb1 52. Ra7 Rf1 53. Kd5 Rd1+ 54. Bd4 Kf8 55. e6 Bd8 56. Ra8 Ke8 57. Ke5 Rc1 58. Bb6 Rc5+ 59. Kd4 1-0

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2440"]
[BlackElo "2260"]
[PlyCount "46"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. Nf3 Bg7 6. Bd3 0-0 7. Be3 Bg4 8. h3 Bxf3 9. Qxf3 e5 10. dxe5 dxe5 11. f5 Nfd7 12. 0-0-0 b5 13. g4 Qc7 14. h4 Na6 15. h5 Ndc5 16. hxg6 Nxd3+ 17. Rxd3 fxg6 18. Qh3 h6 19. Bxh6 Bxh6+ 20. Qxh6 Qg7 21. Rd6 Rf6 22. Rxf6 Qxf6 23. Qh7+ Kf8 1-0

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Garcia, Gildardo"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2430"]
[BlackElo "2260"]
[PlyCount "67"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nf3 Bg7 4. Bc4 Nf6 5. Qe2 0-0 6. e5 dxe5 7. dxe5 Nd5 8. 0-0 c6 9. Re1 Na6 10. Nbd2 Nc5 11. Ne4 Nxe4 12. Qxe4 Bf5 13. Qe2 Bg4 14. h3 Bxf3 15. Qxf3 Qa5 16. Bg5 Rfe8 17. Rad1 Rad8 18. c3 h6 19. Bh4 g5 20. Bg3 e6 21. h4 Qc5 22. Bd3 Qe7 23. Qe4 f5 24. exf6 Nxf6 25. Qg6 Rd5 26. c4 Ra5 27. Be5 Rd8 28. hxg5 hxg5 29. a3 Qf7 30. Qxf7+ Kxf7 31. Bc7 Rxd3 32. Bxa5 Rb3 33. Bc3 Bf8 34. Re3 1-0

[Event "Las Palmas op"]
[Site "Las Palmas"]
[Date "1989.??.??"]
[Round "?"]
[White "Perez, P."]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "2260"]
[PlyCount "74"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. d3 Nf6 4. g3 Nc6 5. Bg2 Bc5 6. Nf3 0-0 7. 0-0 a5 8. Nd5 d6 9. Bg5 Be6 10. Bxf6 gxf6 11. e3 Bxd5 12. cxd5 Ne7 13. Nh4 Kh8 14. Kh1 Rg8 15. Qe2 Qf8 16. f4 Qh6 17. d4 Bb6 18. fxe5 fxe5 19. dxe5 dxe5 20. Nxf5 Nxf5 21. Rxf5 Rxg3 22. Rxe5 Rxe3 23. Rxe3 Qxe3 24. Qxe3 Bxe3 25. Re1 Bc5 26. Rc1 Bd6 27. a4 Re8 28. Bf1 Re4 29. b3 Rd4 30. Bg2 Rd2 31. Rf1 Kg7 32. h3 Rb2 33. Rf3 Rb1+ 34. Bf1 Rd1 35. Kg1 Rxd5 36. Bc4 Rd2 37. Rf2 Bc5 0-1

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "3"]
[White "Sanchez, Rai"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2260"]
[PlyCount "48"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. e3 Bg7 4. Bd3 Nf6 5. Nbd2 Nc6 6. c3 0-0 7. 0-0 e5 8. b3 Qe7 9. Ng5 Nd5 10. Nge4 f5 11. Bc4 Be6 12. Bxd5 Bxd5 13. Ng3 f4 14. Ne2 fxe3 15. fxe3 exd4 16. Nf4 Qxe3+ 17. Rf2 Rxf4 18. Nf3 Bxf3 19. Bxe3 Bxd1 20. Bxf4 Bg4 21. h3 Bd7 22. g4 dxc3 23. Kh2 Rf8 24. Rc1 Rxf4 0-1

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "6"]
[White "Torres Medina, Miguel"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2260"]
[PlyCount "46"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Qe2 e5 6. Nf3 Nc6 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Be3 c6 10. Bc5 Bf8 11. Rd1 Qc7 12. Bxf8 Kxf8 13. 0-0 Kg7 14. Qd3 b5 15. Bb3 a5 16. a4 b4 17. Nb1 Ba6 18. Bc4 Rhd8 19. Qe2 Rxd1 20. Rxd1 Bxc4 21. Qxc4 Rd8 22. Rd3 Nd7 23. b3 Nf8 1-0

[Event "Cajas op"]
[Site "Cajas"]
[Date "1989.??.??"]
[Round "1"]
[White "Vila, F."]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "2260"]
[PlyCount "70"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 c6 7. Bd3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Be3 e5 11. d5 cxd5 12. exd5 a6 13. a3 Rc8 14. Be4 Ne8 15. Ne2 f5 16. Bd3 e4 17. Bxe4 fxe4 18. Qxe4 Nc5 19. Bxc5 Rxc5 20. Nf4 Nc7 21. c4 Qe8 22. Ne6 Nxe6 23. dxe6 Qc6 24. Qg4 Rxc4 25. f4 Qc5+ 26. Kh1 Qf5 27. Qxf5 gxf5 28. Rae1 Re8 29. g4 Kf8 30. Rf2 Ke7 31. gxf5 Bf6 32. Rff1 Rg8 33. Rc1 Rgc8 34. Rcd1 R4c5 35. Rg1 Rxf5 0-1

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.13"]
[Round "15"]
[White "Rivas Pastor, Manuel"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2365"]
[BlackElo "2350"]
[PlyCount "57"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Bf4 e6 5. e3 c5 6. d5 exd5 7. Nc3 d6 8. cxd5 Be7 9. e4 0-0 10. a4 Nbd7 11. Be2 a6 12. 0-0 Re8 13. Nd2 Bc8 14. Re1 h6 15. Bg3 g5 16. h4 Ne5 17. hxg5 hxg5 18. Ra3 Ng6 19. Qc2 Bf8 20. Nc4 Rb8 21. Rb3 Qc7 22. Qc1 Nh7 23. Bh5 Ne5 24. Bxe5 dxe5 25. d6 Bxd6 26. Nd5 Qd8 27. Rd1 b5 28. Nde3 Re6 29. Nf5 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.11"]
[Round "14"]
[White "Betancort Curbelo, Juan"]
[Black "Garcia Gonzales, Guillermo"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "2350"]
[BlackElo "2490"]
[PlyCount "86"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. h3 a6 12. a4 Nh5 13. Kh2 f5 14. Nc4 Ne5 15. Nxe5 Bxe5 16. e3 Rb8 17. a5 b5 18. axb6 Rxb6 19. Ra3 Rb4 20. f4 Bg7 21. Bf3 Nf6 22. Qc2 Qe7 23. Rd1 h5 24. b3 Nd7 25. Na2 Rb8 26. Qf2 Qf7 27. Qc2 Qf6 28. Rd3 h4 29. g4 fxg4 30. Bxg4 c4 31. Rc3 Nb6 32. Bxc8 Rbxc8 33. bxc4 Qf5 34. Qxf5 gxf5 35. Rcb3 Nxc4 36. Rxa6 Ra8 37. Nb4 Rab8 38. Ra7 Bf6 39. Rc7 Re4 40. Kg2 Bd8 41. Ra7 Ba5 42. Ba3 Nxa3 43. Rxa5 Nc4 0-1

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.10"]
[Round "13"]
[White "Vaganian, Rafael A"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2570"]
[BlackElo "2350"]
[PlyCount "105"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. d5 e5 5. a3 a5 6. Nf3 d6 7. e4 g6 8. Be2 Bg7 9. 0-0 0-0 10. Rb1 Bc8 11. b4 axb4 12. axb4 Bg4 13. Ne1 Bxe2 14. Qxe2 Nh5 15. g3 Nd7 16. Nd3 Qe7 17. Bd2 Rfc8 18. Ra1 Ndf6 19. Nb5 Qd7 20. Na7 Re8 21. f3 Bf8 22. Ra3 Ng7 23. Rfa1 Nfh5 24. g4 Nf6 25. Nc6 Rxa3 26. Rxa3 h5 27. h3 Nh7 28. Ra7 hxg4 29. hxg4 f5 30. Be3 Qc8 31. Nf2 f4 32. Bd2 Ng5 33. Kg2 Qd7 34. b5 Rc8 35. c5 dxc5 36. Nd3 Nf5 37. exf5 e4 38. Nce5 Qh7 39. Nxf4 Bd6 40. fxe4 Bxe5 41. Ra3 Kg7 42. fxg6 Qh4 43. Nh3 Nxh3 44. Rxh3 Qxh3+ 45. Kxh3 Rh8+ 46. Kg2 Rh2+ 47. Kf3 Rh3+ 48. Kf2 Rh2+ 49. Ke3 Rxe2+ 50. Kxe2 c4 51. Kd1 Kf6 52. Kc2 Kxg6 53. Bc3 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.08"]
[Round "12"]
[White "Betancort Curbelo, Juan"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2350"]
[BlackElo "2395"]
[PlyCount "87"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. e3 Nf6 4. Nc3 Bf5 5. Nf3 e6 6. Be2 dxc4 7. Bxc4 Nbd7 8. 0-0 Nb6 9. Bb3 Bd6 10. Re1 Nbd5 11. Bc2 Bxc2 12. Qxc2 Nb4 13. Qe2 Qc7 14. e4 e5 15. a3 Na6 16. Bg5 Nd7 17. Rac1 f6 18. Bh4 Qd8 19. Bg3 Qe7 20. dxe5 Bxe5 21. Nxe5 fxe5 22. Red1 Nac5 23. Rc2 0-0 24. Rcd2 Nb6 25. b4 Nb3 26. Rd3 a5 27. Qa2 Qf7 28. bxa5 Nxa5 29. Qxf7+ Rxf7 30. Bxe5 Nac4 31. Rd8+ Rf8 32. Rxf8+ Kxf8 33. Bd4 Na4 34. Nxa4 Rxa4 35. f4 b6 36. Bc3 Ke7 37. Bxg7 Ne3 38. Rb1 Rxe4 39. Rxb6 Rxf4 40. h3 Rf1+ 41. Kh2 Kd6 42. g4 h5 43. Rb3 Rf3 44. Rb4 1/2-1/2

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.07"]
[Round "11"]
[White "Suba, Mihai"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2435"]
[BlackElo "2350"]
[PlyCount "85"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nc6 6. g3 Nxd4 7. Qxd4 Be7 8. Bg2 0-0 9. b3 c6 10. Bb2 Qa5 11. 0-0 Re8 12. h3 Qh5 13. g4 Qh4 14. Ne4 d5 15. cxd5 cxd5 16. Nd2 Qh6 17. Nf3 Nxg4 18. hxg4 Bf6 19. Qa4 Re4 20. Qa5 Rxg4 21. Bxf6 gxf6 22. Qxd5 Kh8 23. Ne1 Be6 24. Qxb7 Rag8 25. f4 Qh5 26. Rd1 Qc5+ 27. Rf2 Rg3 28. f5 Bc8 29. Qxf7 Qb6 30. e4 R3g7 31. Qc4 Bb7 32. Qd4 Qc6 33. Re2 h5 34. Qd6 Qc3 35. Qd2 Qc5+ 36. Qe3 Qc6 37. Nd3 Kh7 38. Nf4 Rg3 39. Qd4 h4 40. Qd7+ Kh6 41. Qxc6 Bxc6 42. Kh2 R8g4 43. Rf2 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.06"]
[Round "10"]
[White "Betancort Curbelo, Juan"]
[Black "Sanz Alonso, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2350"]
[BlackElo "2390"]
[PlyCount "149"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. e3 Na6 7. Bd2 Nxc5 8. Nf3 b6 9. Be2 Bb7 10. 0-0 Nce4 11. Nxe4 Bxe4 12. Qa4 Be7 13. Rfd1 Qc7 14. Rac1 Rfd8 15. Bc3 Qb7 16. b4 d6 17. Bd4 Nd7 18. Qb3 a6 19. Qb2 e5 20. Bc3 b5 21. cxb5 axb5 22. Qb3 Rdc8 23. a3 Bc6 24. Bb2 Nb6 25. e4 Na4 26. Nd2 Bg5 27. Rc2 Nxb2 28. Rxb2 d5 29. Nf3 Bf6 30. exd5 Bd7 31. Rbb1 Qa7 32. Rbc1 e4 33. Nd2 Rxc1 34. Rxc1 Bg5 35. Rc2 e3 36. fxe3 Bxe3+ 37. Kf1 Qd4 38. Qb2 Qxd5 39. Nf3 Re8 40. Qc3 Bb6 41. Rd2 Qe6 42. Bd3 Rc8 43. Qe5 Qxe5 44. Nxe5 Be8 45. Rc2 Rxc2 46. Bxc2 f6 47. Nd3 Bd4 48. Bb3+ Kf8 49. Ke2 Ke7 50. Bd5 f5 51. Kd2 Kd6 52. Bf3 g5 53. h3 h5 54. Kc2 Bf7 55. Be2 Be8 56. Ne1 g4 57. hxg4 fxg4 58. Nd3 Bd7 59. Nf4 h4 60. Kd3 Bb2 61. Ke4 Bxa3 62. Nd3 g3 63. Kf3 Kd5 64. Nf4+ Kd4 65. Ng6 Bc6+ 66. Kg4 Ke3 67. Ne5 Be8 68. Bf3 Bxb4 69. Kxh4 Bd6 70. Bc6 Bxc6 71. Nxc6 Kd3 72. Kg4 Kc3 73. Na7 Kc4 74. Kf3 b4 75. Nc6 1/2-1/2

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.04"]
[Round "9"]
[White "Tatai, Stefano"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2575"]
[BlackElo "2350"]
[PlyCount "61"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. dxe6 fxe6 9. Bd3 Nc6 10. 0-0 Kh8 11. Bd2 Nd4 12. Ng5 e5 13. f5 gxf5 14. exf5 Bd7 15. Nd5 Bc6 16. Ne6 Nxe6 17. fxe6 Bxd5 18. cxd5 c4 19. Bxc4 Qb6+ 20. Kh1 Qd4 21. Qe2 Nxd5 22. Rf7 Rxf7 23. exf7 Nb6 24. Be6 Qxb2 25. Rf1 Rf8 26. Qd3 Qd4 27. Qxd4 exd4 28. Bg5 Ra8 29. Rf3 d3 30. Rg3 h5 31. Bf6 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.03"]
[Round "8"]
[White "Betancort Curbelo, Juan"]
[Black "Garcia Padron, Jose"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2350"]
[BlackElo "2400"]
[PlyCount "24"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 g6 4. e4 Bg7 5. Bxc4 Qxd4 6. Qb3 e6 7. Be3 Qd8 8. Rd1 Nd7 9. Nf3 Qe7 10. 0-0 c6 11. a4 Nb6 12. Be2 e5 1/2-1/2

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.02"]
[Round "7"]
[White "Fernandez Garcia, Jose Luis"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2340"]
[BlackElo "2350"]
[PlyCount "85"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. Bxd7+ Nfxd7 8. d5 b5 9. Nxb5 Qa5+ 10. Nc3 Bxc3+ 11. bxc3 Qxc3+ 12. Bd2 Qc4 13. Qe2 Qxe2+ 14. Kxe2 h6 15. c4 Na6 16. Rab1 Nb6 17. Kd3 Kd7 18. Rb3 e6 19. Rhb1 Nc7 20. Ra3 Rhb8 21. Re1 exd5 22. exd5 Re8 23. Rxe8 Nxe8 24. f5 g5 25. Bc3 Ke7 26. Rb3 Nf6 27. Rb1 Nh5 28. g3 Kd7 29. Nd2 Re8 30. Ne4 Kc7 31. Nf2 Nd7 32. Ng4 f6 33. Nxh6 Ng7 34. Rf1 Rh8 35. Ng4 Ne8 36. Re1 Ne5+ 37. Nxe5 fxe5 38. Rxe5 Rf8 39. Re7+ Kd8 40. f6 Nxf6 41. Rxa7 Ng4 42. Ra8+ Ke7 43. Rxf8 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.01"]
[Round "1"]
[White "Csom, Istvan"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2510"]
[BlackElo "2350"]
[PlyCount "90"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. d3 Nge7 7. Nbd2 d5 8. a3 0-0 9. Rb1 b6 10. b4 cxb4 11. axb4 a5 12. bxa5 bxa5 13. Ba3 Re8 14. Qc2 Bd7 15. Rfc1 Rb8 16. Nb3 Nf5 17. Nc5 Rxb1 18. Rxb1 Ncd4 19. Nxd4 Nxd4 20. Qd1 dxc4 21. dxc4 Bc6 22. Bxc6 Nxc6 23. Qa4 Qa8 24. Nb7 Nd4 25. Kf1 Rb8 26. Bd6 Rc8 27. Qxa5 Qxa5 28. Nxa5 Nf5 29. c5 Bf8 30. Nb7 Rc6 31. Rd1 Rc8 32. e4 Ne7 33. Ra1 Nc6 34. Ra6 f6 35. Ke2 Bg7 36. f4 h5 37. Na5 Nd4+ 38. Kd3 e5 39. Kc4 g5 40. fxg5 fxg5 41. Rb6 Ra8 42. Rb8+ Rxb8 43. Bxb8 Kf7 44. Kd5 Nf3 45. c6 Ke8 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.08.??"]
[Round "2"]
[White "Betancort Curbelo, Juan"]
[Black "Dominguez Sanz, Juan Pedro"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2350"]
[BlackElo "2275"]
[PlyCount "36"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 c6 7. a4 a5 8. h3 Na6 9. Be3 Nb4 10. Qd2 Qc7 11. Rad1 Re8 12. Rfe1 Bd7 13. e5 Nfd5 14. Nxd5 cxd5 15. c3 Nc6 16. exd6 exd6 17. Bh6 Nd8 18. Bxg7 Kxg7 1/2-1/2

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.07.31"]
[Round "6"]
[White "Betancort Curbelo, Juan"]
[Black "Garriga Nualart, Josep"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2350"]
[BlackElo "2300"]
[PlyCount "71"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Qd2 a6 8. a4 a5 9. Nge2 Na6 10. g4 Nb4 11. Ng3 Nd7 12. Rd1 Qc7 13. Be2 e5 14. dxe5 Nxe5 15. 0-0 Be6 16. b3 Rfd8 17. Rc1 Rac8 18. Bd4 f6 19. f4 Nxg4 20. f5 gxf5 21. exf5 Bh6 22. Rf4 Ne5 23. fxe6 Ng6 24. Be3 d5 25. Rd4 Bxe3+ 26. Qxe3 Qe5 27. Qxe5 fxe5 28. Rdd1 Nf4 29. Bg4 Rc7 30. cxd5 cxd5 31. Nce2 Rg7 32. Bf3 e4 33. Nxf4 exf3 34. Nxd5 Rxg3+ 35. hxg3 Nxd5 36. Rxd5 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.07.30"]
[Round "5"]
[White "Rodriguez Vargas, Orestes"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2495"]
[BlackElo "2350"]
[PlyCount "79"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Be7 6. Bd3 Nbd7 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 b4 11. Na4 0-0 12. Qc2 h6 13. e5 Nd5 14. Qe2 Re8 15. Bd2 N5b6 16. Qe4 Nf8 17. Nc5 Bxc5 18. dxc5 Nd5 19. a3 a5 20. Rfd1 f5 21. exf6 Qxf6 22. Ne5 Red8 23. Re1 Nc7 24. axb4 axb4 25. Rxa8 Rxa8 26. Qxb4 Ba6 27. Bxa6 Rxa6 28. Qb7 Qd8 29. Bc3 Ra4 30. Nxc6 Qd7 31. Ne5 Qe7 32. c6 Qd6 33. g3 Kh7 34. Qb3 Ra8 35. Rd1 Nd5 36. Qb7 Qb8 37. Nd7 Nxd7 38. Qxd7 Nxc3 39. Qd3+ Kh8 40. Qxc3 1-0

[Event "Las Palmas-08"]
[Site "Las Palmas"]
[Date "1979.07.29"]
[Round "4"]
[White "Betancort Curbelo, Juan"]
[Black "Geller, Efim P"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2350"]
[BlackElo "2550"]
[PlyCount "58"]
[EventDate "1979.07.25"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Bg5 Nbd7 9. Qd2 c6 10. 0-0 Nc5 11. Qc2 Qe7 12. Rfd1 Ne6 13. Bh4 Nf4 14. Ne1 Qc7 15. Bg3 Be6 16. b3 Nd7 17. Rac1 f5 18. Bxf4 exf4 19. exf5 Bxf5 20. Qd2 Nc5 21. b4 Rad8 22. Nd5 Ne4 23. Nxc7 Nxd2 24. Bd3 Bxd3 25. Rxd2 Bf5 26. Re2 Rd7 27. Ne6 Re8 28. Nxf4 Rxe2 29. Nxe2 Bb2 0-1

[Event "Lanzarote 5th"]
[Site "Lanzarote"]
[Date "1977.06.09"]
[Round "9"]
[White "Betancort Curbelo, Juan"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2355"]
[BlackElo "2415"]
[PlyCount "116"]
[EventDate "1977.05.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. dxe5 Qxd1+ 5. Kxd1 c6 6. g3 Nd7 7. f4 Nc5 8. Bg2 Nh6 9. Nf3 Bf5 10. Ke1 Ne4 11. Nd2 Nxd2 12. Bxd2 Bb4 13. Ne4 Be7 14. h3 0-0-0 15. Be3 Kc7 16. Kf2 Be6 17. Rhd1 b6 18. g4 Bd5 19. f5 Rhe8 20. Bf4 Kb7 21. Bf3 Ng8 22. g5 Bb4 23. a3 Bxe4 24. Bxe4 Bc5+ 25. e3 Ne7 26. Kf3 g6 27. f6 Nd5 28. Rac1 b5 29. h4 Bb6 30. Rc2 Ba5 31. h5 Nc7 32. Rd6 Rxd6 33. exd6 Ne6 34. hxg6 hxg6 35. Rh2 Nc5 36. Bc2 Kc8 37. Rh7 Rf8 38. Bxg6 fxg6 39. Rxa7 Bd8 40. e4 Kb8 41. Re7 Nd3 42. Bg3 Nc5 43. e5 Kc8 44. Rg7 Ne6 45. Rxg6 Ba5 46. Ke4 Bd2 47. Kf5 Nd4+ 48. Kg4 Ne6 49. Bf2 c5 50. Kf5 Kd7 51. Rh6 Rf7 52. Rh8 b4 53. axb4 cxb4 54. g6 c3 55. bxc3 bxc3 56. gxf7 c2 57. f8N+ Nxf8 58. Rxf8 c1N 1-0

[Event "Lanzarote 5th"]
[Site "Lanzarote"]
[Date "1977.06.04"]
[Round "5"]
[White "Tatai, Stefano"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2480"]
[BlackElo "2355"]
[PlyCount "97"]
[EventDate "1977.05.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 Nf6 4. c4 c5 5. 0-0 e6 6. Nc3 Be7 7. d4 0-0 8. d5 exd5 9. cxd5 d6 10. Nd2 Na6 11. Nc4 Nc7 12. Re1 Rb8 13. a4 Re8 14. e4 Bf8 15. Bf4 Ba6 16. b3 Bxc4 17. bxc4 Nd7 18. Nb5 Nxb5 19. axb5 Rb7 20. Bd2 g6 21. Bc3 Bg7 22. Qc2 Rc7 23. Bxg7 Kxg7 24. Qc3+ Qf6 25. Qxf6+ Nxf6 26. Ra2 Ree7 27. f4 Ne8 28. Kf2 h6 29. Re3 h5 30. Ke2 Nf6 31. Bf3 Kf8 32. Kd3 Ne8 33. Ra1 Rc8 34. Re2 Rb8 35. Bg2 Rbb7 36. Bh3 Kg7 37. g4 hxg4 38. Bxg4 Rb8 39. e5 Rbb7 40. h4 f6 41. e6 f5 42. Bf3 Kf6 43. h5 Rg7 44. hxg6 Rxg6 45. Bh5 Rg8 46. Bf7 Rh8 47. Rg1 a5 48. Bxe8 Rxe8 49. Rh2 1-0

[Event "Lanzarote 5th"]
[Site "Lanzarote"]
[Date "1977.06.01"]
[Round "3"]
[White "Garcia Padron, Jose"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2425"]
[BlackElo "2355"]
[PlyCount "90"]
[EventDate "1977.05.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d3 d6 8. Rb1 a5 9. a3 Bd7 10. b4 axb4 11. axb4 Qc8 12. b5 Nd4 13. Nxd4 exd4 14. Nd5 Nxd5 15. Bxd5 Be6 16. Bf3 h5 17. Bg5 Bg4 18. Be4 Re8 19. Re1 Kh7 20. Ra1 Rxa1 21. Qxa1 f5 22. Bf3 Bxf3 23. exf3 Kg8 24. Kf1 Kf7 25. Rc1 b6 26. Rc2 Qa8 27. Qd1 Qa4 28. Qb1 Ra8 29. Re2 Bf8 30. Qe1 Qa1 31. Bc1 Qc3 32. Qxc3 dxc3 33. Rc2 Bg7 34. Ke2 Ke6 35. Bf4 Ra7 36. Be3 d5 37. h3 d4 38. Bg5 Bf6 39. Bf4 g5 40. Bc1 Ra1 41. f4 g4 42. hxg4 fxg4 43. f3 Kf5 44. Kf2 Be7 45. Re2 Rxc1 0-1

[Event "EU-chT 06th Group5"]
[Site "Athens "]
[Date "1976.03.26"]
[Round "3.1"]
[White "Ornithopoulos, Nikolaos"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "A18"]
[BlackElo "2360"]
[PlyCount "85"]
[EventDate "1976.03.20"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Spain"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "ESP"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Nfd7 5. cxd5 Nxe5 6. d4 Ng6 7. Bb5+ c6 8. dxc6 Nxc6 9. Nf3 Bd7 10. 0-0 a6 11. Ba4 Nb4 12. a3 Bxa4 13. Qxa4+ b5 14. Qb3 Nc6 15. d5 Na5 16. Qd1 e5 17. Re1 f6 18. h4 Bd6 19. Ne4 0-0 20. h5 Ne7 21. b3 Nb7 22. Be3 Qd7 23. b4 Rac8 24. h6 g6 25. Rc1 Rxc1 26. Bxc1 a5 27. Qb3 axb4 28. axb4 Nf5 29. Bd2 g5 30. Qc2 g4 31. Qc6 Qe7 32. Nh2 Nd4 33. Qc3 Qd7 34. Qg3 f5 35. Nxd6 Qxd6 36. Qxe5 Qxe5 37. Rxe5 Nc2 38. Nxg4 fxg4 39. Rg5+ Kf7 40. Rg7+ Kf6 41. Rxb7 Rf7 42. Rxb5 Rd7 43. Rc5 1-0

[Event "EU-chT 06th Group5"]
[Site "Athens "]
[Date "1976.03.21"]
[Round "2"]
[White "Hecht, Hans Joachim"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2495"]
[BlackElo "2360"]
[PlyCount "119"]
[EventDate "1976.03.20"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Spain"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 0-0 6. Qd2 c6 7. h4 e5 8. 0-0-0 Qe7 9. Nge2 Re8 10. dxe5 dxe5 11. Bh6 Na6 12. h5 Nc5 13. Ng3 Be6 14. Bxg7 Kxg7 15. hxg6 fxg6 16. Qg5 Ncd7 17. Nf5+ Bxf5 18. exf5 b5 19. Bd3 Nf8 20. Qh6+ Kf7 21. g4 Qb4 22. g5 Qf4+ 23. Kb1 e4 24. Nxe4 Ng8 25. fxg6+ hxg6 26. Qh8 Rad8 27. Qc3 Re6 28. a3 Ne7 29. Rh8 Qe5 30. Qxe5 Rxe5 31. Rhh1 Ne6 32. Rh7+ Ng7 33. Rc1 Re6 34. Rch1 Rd5 35. Rh8 a6 36. Ra8 c5 37. Rhh8 Nef5 38. Ra7+ Ne7 39. Raa8 Nef5 40. b3 Ne8 41. Rhxe8 Rxe8 42. Rxe8 Rxd3 43. cxd3 Kxe8 44. Nxc5 Nd4 45. f4 a5 46. Kc1 Ke7 47. Kd2 Kd6 48. Nb7+ Ke6 49. Nxa5 Kf5 50. Kc3 Ne2+ 51. Kb4 Nxf4 52. Kxb5 Kxg5 53. Nc6 Kf6 54. a4 Ke6 55. Kb6 Kd6 56. a5 Kd7 57. Kb7 Nxd3 58. b4 Nf4 59. a6 Nd5 60. a7 1-0

[Event "EU-chT 06th Group5"]
[Site "Athens "]
[Date "1976.03.20"]
[Round "1"]
[White "Betancort Curbelo, Juan"]
[Black "Kestler, Hans Guenter"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2360"]
[PlyCount "80"]
[EventDate "1976.03.20"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "GRE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 Bg4 8. h3 Bxf3 9. Bxf3 Nd7 10. e3 e5 11. d5 Ne7 12. Bg2 f5 13. f4 Kh8 14. Bd2 Ng8 15. Qc2 Nh6 16. Rae1 Nf6 17. b4 a5 18. a3 axb4 19. axb4 Nh5 20. Ne2 Ra3 21. Bc1 Ra1 22. Kh2 Qe7 23. Bb2 Ra2 24. Nc3 Raa8 25. Bf3 Nf6 26. Qd2 Nf7 27. Ra1 Rfe8 28. Rxa8 Rxa8 29. Ra1 Rxa1 30. Bxa1 g5 31. Bb2 h5 32. Qc2 exf4 33. exf4 gxf4 34. gxf4 Qe3 35. Kg2 Qxf4 36. Ne2 Qg5+ 37. Kf1 Ne5 38. Bc1 Qh4 39. Qxf5 Nxf3 40. Qxf3 Qxc4 0-1

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "9"]
[White "Betancort Curbelo, Juan"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2360"]
[BlackElo "2475"]
[PlyCount "88"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Qa5+ 7. N5c3 b5 8. Nd2 b4 9. Nb3 Qd8 10. Na4 Qxd5 11. Qxd5 Nxd5 12. e4 Nf6 13. f3 Bd7 14. Nac5 a5 15. Be3 Be7 16. Rc1 0-0 17. Nxd7 Nfxd7 18. Bb5 a4 19. Nd2 Ra5 20. Bxd7 Nxd7 21. Rc7 Rd8 22. Ke2 Bd6 23. Rc6 Nb8 24. Rxd6 Rxd6 25. Nc4 Raa6 26. Nxd6 Rxd6 27. Rd1 Rxd1 28. Kxd1 Nc6 29. Kd2 Na5 30. Kd3 a3 31. bxa3 bxa3 32. Bc1 Kf8 33. Bxa3+ Ke8 34. Bb4 Nc6 35. Kc4 Kd7 36. Bc5 g6 37. Kd5 h5 38. a4 f6 39. Bb6 Nb4+ 40. Kc4 Nc6 41. a5 g5 42. Kb5 Ne7 43. a6 Kc8 44. Bc5 Ng6 1-0

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "7"]
[White "Betancort Curbelo, Juan"]
[Black "Darga, Klaus"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2360"]
[BlackElo "2500"]
[PlyCount "83"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[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. e3 d5 5. Nc3 Nc6 6. Bd3 Be7 7. 0-0 0-0 8. b3 b6 9. Bb2 cxd4 10. exd4 Bb7 11. Rc1 Rc8 12. Re1 Nb4 13. Bf1 Re8 14. Ne5 Nc6 15. Nxc6 Bxc6 16. Re3 g6 17. Rc2 Bf8 18. Rf3 Bg7 19. Rd3 Bb7 20. Re3 Qd7 21. a4 Red8 22. a5 dxc4 23. bxc4 Ne8 24. Nb5 Bc6 25. axb6 axb6 26. Ra3 Bxb5 27. cxb5 Nd6 28. Rxc8 Nxc8 29. Ra8 Ne7 30. Qa4 Nf5 31. Ra7 Qe8 32. Qa6 Nxd4 33. Ba3 Rc8 34. Qxb6 Nb3 35. Re7 Qd8 36. Qxd8+ Rxd8 37. b6 Bf8 38. Ra7 Rb8 39. Bxf8 Kxf8 40. b7 Ke7 41. g4 Nc5 42. Bg2 1/2-1/2

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "4"]
[White "Betancort Curbelo, Juan"]
[Black "Fraguela Gil, Jose Miguel"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2360"]
[BlackElo "2380"]
[PlyCount "35"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 0-0 6. Be2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. Qb3 Nb6 10. 0-0 Be6 11. Qd1 Nc6 12. Be3 Rc8 13. Rc1 Nd5 14. Nxd5 Bxd5 15. b3 Qd6 16. Qd2 Rfd8 17. Bc4 Qa3 18. Ne5 1/2-1/2

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "11"]
[White "Betancort Curbelo, Juan"]
[Black "Hernandez Onna, Roman"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2360"]
[BlackElo "2460"]
[PlyCount "88"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[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 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Be3 Ng4 11. Bxc5 dxc5 12. h3 Nh6 13. Qd2 f6 14. Rad1 Nf7 15. Nb5 Bh6 16. Qc3 Nd6 17. Nxd6 cxd6 18. a3 a4 19. b4 axb3 20. Qxb3 f5 21. Bd3 Rf7 22. Ra1 Bf8 23. Rfb1 f4 24. Be2 h5 25. Nd2 Rh7 26. Qd1 Qe8 27. a4 g5 28. a5 Qg6 29. f3 Rg7 30. Rb3 Be7 31. Qb1 Bd8 32. a6 bxa6 33. Rb8 Rga7 34. Bd1 Qf7 35. Rxa8 Rxa8 36. Ba4 Qc7 37. Be8 Rb8 38. Qa2 h4 39. Nb3 Rb4 40. Na5 Qxa5 41. Qxa5 Bxa5 42. Rxa5 Rxc4 43. Bd7 Rc1+ 44. Kh2 Bxd7 0-1

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "2"]
[White "Betancort Curbelo, Juan"]
[Black "Pomar Salamanca, Arturo"]
[Result "1/2-1/2"]
[ECO "E56"]
[WhiteElo "2360"]
[PlyCount "40"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[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. Nf3 d5 6. Bd3 c5 7. 0-0 dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 11. Rd1 b5 12. Ba2 Bb7 13. Bb1 Bb6 14. Ne4 Nxe4 15. Qxe4 g6 16. Qf4 Na5 17. Bd2 cxd4 18. Nxd4 Nc6 19. Qg4 h5 20. Nxc6 hxg4 1/2-1/2

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "1"]
[White "Garcia Padron, Jose"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "C09"]
[BlackElo "2360"]
[PlyCount "69"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 Ra7 9. Re1+ Be7 10. Ne5 Qc7 11. Nb3 Nf6 12. Bf4 c4 13. Ng6 Qd8 14. Nxh8 cxb3 15. axb3 Kf8 16. Bb8 Bg4 17. f3 Qxb8 18. fxg4 Kg8 19. Nxf7 Kxf7 20. Qe2 Ne4 21. Rf1+ Kg8 22. Rxa6 Rxa6 23. Qxa6 Qe8 24. Ra1 Qd7 25. Qa7 Qd6 26. Qa8+ Bd8 27. Qc8 Qf6 28. c3 h6 29. Qf5 Qd6 30. Ra8 Ng5 31. g3 Nf7 32. Ra7 Bc7 33. b4 Qe7 34. Kf1 g6 35. Qc8+ 1-0

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "3"]
[White "Haik, Aldo"]
[Black "Betancort Curbelo, Juan"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2325"]
[BlackElo "2360"]
[PlyCount "176"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Qe7 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 d6 10. Qc2 c5 11. e4 Nc6 12. d5 Nd4 13. Nxd4 cxd4 14. Ne2 e5 15. a4 Qc7 16. Rfc1 Nd7 17. Qd1 Qc5 18. Qd2 a5 19. Bh3 Nb8 20. b3 Na6 21. Rab1 Bc8 22. Bxc8 Raxc8 23. Kg2 Nb4 24. Rf1 f5 25. exf5 Rxf5 26. Rbd1 Rcf8 27. f3 d3 28. Nc1 Nc2 29. Qxd3 Ne3+ 30. Kh1 Nxd1 31. Qxd1 Qe3 32. Kg2 e4 33. f4 Re8 34. Ne2 Rf7 35. Nd4 Qc3 36. Ne6 e3 37. Re1 Rf6 38. Re2 h6 39. Kf3 Qe5 40. Qd3 Qh5+ 41. Kg2 Rexe6 42. dxe6 Rxe6 43. Rxe3 Rxe3 44. Qxe3 Qd1 45. Qxb6 Qc2+ 46. Kf3 Qd1+ 47. Kg2 Qc2+ 48. Kf3 Qd1+ 49. Ke4 Qh1+ 50. Kf5 Qxh2 51. Qe3 Qh3+ 52. Ke4 Qg2+ 53. Kd4 Qc6 54. Kc3 Kh8 55. g4 Qh1 56. g5 Qa1+ 57. Kd3 Qd1+ 58. Ke4 h5 59. Qf3 Qc2+ 60. Kd5 Qg6 61. Kd4 Kh7 62. Qh3 Qe8 63. Qf3 Qg6 64. Kd5 Kg8 65. Kc6 h4 66. Qg4 Qe8+ 67. Kd5 Qa8+ 68. Kd4 Qa7+ 69. Kd3 Qb6 70. Qe6+ Kh7 71. Qf5+ Kg8 72. Qe6+ Kh7 73. Qe4+ Kg8 74. g6 Qxb3+ 75. Ke2 Kf8 76. Qf5+ Ke7 77. Qf7+ Kd8 78. Qf8+ Kc7 79. Qxg7+ Kc6 80. Qf7 Qc2+ 81. Kf3 Qd1+ 82. Kg2 Qg4+ 83. Kf2 Qg3+ 84. Ke2 Qg2+ 85. Ke3 Qg1+ 86. Ke4 Qb1+ 87. Kd4 Qg1+ 88. Kd3 Qd1+ 1/2-1/2

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "5"]
[White "Larsen, Bent"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2625"]
[BlackElo "2360"]
[PlyCount "105"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. b3 Nf6 6. Bb2 0-0 7. d3 e6 8. Bxc6 bxc6 9. Qd2 d6 10. f4 Qe7 11. Nf3 e5 12. fxe5 dxe5 13. Qg5 Re8 14. 0-0-0 h6 15. Qe3 Ng4 16. Qg1 h5 17. Kb1 e4 18. Nxe4 Bxb2 19. Kxb2 f5 20. Nc3 Ne3 21. Rc1 Qf6 22. Qe1 a5 23. Ka3 a4 24. Nxa4 Ng2 25. Qd2 f4 26. Rhg1 Bh3 27. gxf4 Nxf4 28. e3 Ne6 29. Rg3 Bf5 30. Qc3 Qe7 31. Ne5 Nf8 32. e4 Qxe5 33. exf5 Qxf5 34. Rcg1 Re6 35. Rg5 Qf2 36. R5g2 Qf7 37. Qd2 Qb7 38. Rf1 Nd7 39. Kb2 Rxa4 40. Qh6 Rxa2+ 41. Kxa2 Qa8+ 42. Kb2 Ne5 43. Rd2 Qd8 44. Qf4 Qb8 45. Qf2 Rd6 46. Kc2 Qa8 47. Qxc5 Qa2+ 48. Kc3 Rxd3+ 49. Rxd3 Qb2+ 50. Kxb2 Nxd3+ 51. Ka3 Nxc5 52. Rf6 Kg7 53. Rxc6 1-0

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "8"]
[White "Rodriguez Vargas, Orestes"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B09"]
[BlackElo "2360"]
[PlyCount "87"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c5 7. dxc5 dxc5 8. 0-0 Nc6 9. e5 Nd5 10. Ne4 Bf5 11. c3 c4 12. Bc2 Qb6+ 13. Kh1 Ne3 14. Bxe3 Qxe3 15. Nfd2 b5 16. Rf3 Qb6 17. Qe1 Rfd8 18. Nf1 f6 19. Ne3 fxe5 20. Nxf5 gxf5 21. Ng5 e4 22. Bxe4 fxe4 23. Qxe4 Rd6 24. Qxh7+ Kf8 25. f5 Ne5 26. Rg3 Nd3 27. Ne4 Ke8 28. Rxg7 Kd7 29. Rf1 Nf2+ 30. Nxf2 Qxf2 31. Rxe7+ Kc6 32. Ree1 Re8 33. Rb1 Qc2 34. Qh5 Re2 35. Qf3+ Kb6 36. f6 Rdd2 37. Rfc1 Qg6 38. Rg1 Qf7 39. b3 cxb3 40. Rxb3 Rxa2 41. c4 a6 42. cxb5 axb5 43. Qd3 Qh5 44. f7 1-0

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "10"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2345"]
[BlackElo "2360"]
[PlyCount "56"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. f4 d5 4. Nf3 c5 5. 0-0 Nf6 6. d3 0-0 7. Nc3 d4 8. Na4 Nbd7 9. c4 Qc7 10. Rb1 a5 11. a3 Ra6 12. b4 axb4 13. axb4 b6 14. Bd2 Ng4 15. h3 Nh6 16. Ng5 e5 17. Ne4 Nf5 18. Kh2 Nd6 19. Nxd6 Qxd6 20. bxc5 bxc5 21. Rb5 h5 22. e3 h4 23. exd4 hxg3+ 24. Kh1 exd4 25. Kg1 Re8 26. Be4 Rxe4 27. dxe4 Qe6 28. Nb2 Qxh3 0-1

[Event "Lanzarote 4th"]
[Site "Lanzarote"]
[Date "1976.??.??"]
[Round "6"]
[White "Weinstein, Norman"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2430"]
[BlackElo "2360"]
[PlyCount "80"]
[EventDate "1976.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 e5 8. Nf3 c6 9. 0-0 Re8 10. Rad1 Qc7 11. d5 c5 12. Ne1 a6 13. Rb1 h5 14. Nd3 Nh7 15. Be3 Ndf6 16. f3 Bd7 17. b4 b6 18. Rb2 Reb8 19. Rfb1 Ne8 20. Rb3 a5 21. bxc5 bxc5 22. Qb2 Rxb3 23. Qxb3 f5 24. Bd1 fxe4 25. Nxe4 Nhf6 26. Ndf2 Nxe4 27. Nxe4 Bf5 28. Bc2 Bf8 29. Qb7 Ra7 30. Qxc7 Nxc7 31. Ba4 Be7 32. Rb6 Bxe4 33. fxe4 Kf7 34. Bd2 Ne8 35. Kf2 Nc7 36. Kf3 Na8 37. Rb8 Nc7 38. Rb6 Na8 39. Rb8 Nc7 40. a3 Kf6 1-0

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.05.??"]
[Round "6"]
[White "Betancort Curbelo, Juan"]
[Black "Diez del Corral, Jesus"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2360"]
[BlackElo "2515"]
[PlyCount "53"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nd7 5. g3 e5 6. Bg2 Ne7 7. 0-0 0-0 8. dxe5 dxe5 9. e4 c6 10. Qc2 Nc5 11. Rd1 Qc7 12. b4 Ne6 13. Bb2 a5 14. a3 f5 15. c5 axb4 16. axb4 Rxa1 17. Bxa1 Rd8 18. Bf1 Nd4 19. Bc4+ Kh8 20. Nxd4 Rxd4 21. Rxd4 exd4 22. Ne2 b5 23. Bb3 Qa7 24. Bb2 Qd7 25. Nxd4 fxe4 26. Ne6 Nf5 27. Nxg7 1-0

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.05.??"]
[Round "10"]
[White "Betancort Curbelo, Juan"]
[Black "Pfleger, Helmut"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2360"]
[BlackElo "2540"]
[PlyCount "67"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 d5 5. Nf3 Nc6 6. Be2 Be7 7. 0-0 cxd4 8. exd4 0-0 9. Bg5 dxc4 10. Bxc4 b6 11. a3 Bb7 12. Ba2 Nd5 13. Bxe7 Ncxe7 14. Nxd5 Nxd5 15. Qd2 Qf6 16. Bxd5 Bxd5 17. Ne5 Rfd8 18. Qe3 Qf5 19. Rfd1 Rac8 20. Rac1 f6 21. Nd3 Be4 22. Rxc8 Rxc8 23. Rc1 Rxc1+ 24. Nxc1 Bd5 25. f3 h5 26. Qd3 Qg5 27. Ne2 h4 28. Kf2 e5 29. dxe5 Qxe5 30. Qd4 Qxd4+ 31. Nxd4 Kf7 32. Ke3 g5 33. g3 hxg3 34. hxg3 1/2-1/2

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.05.??"]
[Round "8"]
[White "Betancort Curbelo, Juan"]
[Black "Rodriguez Vargas, Orestes"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2360"]
[BlackElo "2435"]
[PlyCount "88"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nbd2 0-0 7. 0-0 d5 8. Qe2 Ne4 9. a3 Be7 10. Rd1 Nd7 11. Bc2 Bd6 12. cxd5 exd5 13. Nxe4 dxe4 14. Nd2 f5 15. Nc4 Ba6 16. Bb3 Kh8 17. f4 exf3 18. Qxf3 Nf6 19. Nxd6 Qxd6 20. Bd2 Qe7 21. Rac1 c5 22. dxc5 bxc5 23. Bc3 Rab8 24. Ba4 Bb7 25. Qf4 Nd5 26. Qe5 Qg5 27. Qg3 Qxg3 28. hxg3 Nxc3 29. Rxc3 Be4 30. Rd2 Rfc8 31. Bd7 Rd8 32. Rxc5 h6 33. b4 Rb7 34. Rc8 Rxc8 35. Bxc8 Rc7 36. Be6 Rc3 37. Rd8+ Kh7 38. Bg8+ Kg6 39. Rd6+ Kg5 40. Bf7 f4 41. exf4+ Kg4 42. Kf2 Rxg3 43. Bg6 Rxg2+ 44. Ke3 Bf5 1/2-1/2

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.05.??"]
[Round "5"]
[White "Debarnot, Roberto Luis"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2380"]
[BlackElo "2360"]
[PlyCount "70"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. cxd5 exd5 8. d4 b6 9. Bb2 Bb7 10. Ne5 Nc6 11. Nxc6 Bxc6 12. Nd2 Rc8 13. Rc1 Bb7 14. Nf3 Rc7 15. Qd3 c4 16. Qf5 Qc8 17. Qe5 Re8 18. bxc4 dxc4 19. Bh3 Qb8 20. d5 Bxd5 21. Rfd1 Bxf3 22. exf3 Ba3 23. Qc3 Bxb2 24. Qxb2 b5 25. a4 a6 26. Rd6 Qb7 27. Qd4 Rc6 28. Rd8 Qe7 29. Rxe8+ Qxe8 30. Rc3 g6 31. Re3 Qb8 32. Re7 c3 33. Be6 Rxe6 34. Rxe6 fxe6 35. Qxf6 Qc8 0-1

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.05.??"]
[Round "9"]
[White "Garcia Padron, Jose"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "2360"]
[PlyCount "64"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 e6 7. Qg4 Qe7 8. Nf3 Qxc5 9. Be3 Qe7 10. 0-0-0 Nc6 11. Bc4 d5 12. exd6 cxd6 13. Rhe1 h6 14. Qg3 e5 15. Bf4 Be6 16. Bxe6 fxe6 17. Rxd6 Qxd6 18. Qg6+ Kd7 19. Nxe5+ Nxe5 20. Bxe5 Qe7 21. Rd1+ Kc8 22. Qe4 Qe8 23. Bd6 Bxd6 24. Rxd6 a5 25. Rxe6 Qb5 26. c4 Qd7 27. Re7 Qc6 28. Qf5+ Kd8 29. Re4 Re8 30. Rd4+ Kc7 31. Qf4+ Kc8 32. Qf5+ Kb8 0-1

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.04.27"]
[Round "1"]
[White "Betancort Curbelo, Juan"]
[Black "Visier Segovia, Fernando"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2360"]
[BlackElo "2375"]
[PlyCount "36"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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. Bg5 h6 9. Bh4 c6 10. dxe5 dxe5 11. Qc2 Qc7 12. Rfd1 Nc5 13. b4 Ne6 14. Rd2 Nh5 15. Rad1 Nhf4 16. Bd3 Re8 17. Bg3 Ng5 18. Nxg5 hxg5 1/2-1/2

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.04.??"]
[Round "3"]
[White "Adorjan, Andras"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2515"]
[BlackElo "2360"]
[PlyCount "65"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. h3 Bh5 8. c4 Nb6 9. Nc3 d5 10. c5 N6d7 11. b4 0-0 12. Be3 f6 13. exf6 Bxf6 14. Qd2 Re8 15. Rae1 Nf8 16. g4 Bg6 17. g5 Be7 18. Nh4 c6 19. f4 a5 20. b5 b6 21. f5 exf5 22. Nxf5 bxc5 23. dxc5 Ne6 24. Nxe7+ Qxe7 25. Bg4 Bf7 26. Qf2 Qd7 27. Bf4 cxb5 28. Bxb8 Raxb8 29. c6 Qe7 30. Nxd5 Qf8 31. Bxe6 Rxe6 32. Rxe6 h6 33. g6 1-0

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.04.??"]
[Round "2"]
[White "Betancort Curbelo, Juan"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2360"]
[BlackElo "2415"]
[PlyCount "84"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nc3 g6 6. Nf3 Bg7 7. Be2 0-0 8. 0-0 dxc4 9. Bxc4 Nbd7 10. Bb3 Nb6 11. Qe2 Nbd5 12. Ne5 Be6 13. Rd1 Rc8 14. Bd2 Qb6 15. Nxd5 Nxd5 16. Bxd5 Bxd5 17. Nd7 Qxb2 18. Nxf8 Bxf8 19. Rac1 Rd8 20. Qe5 Qxa2 21. Qc7 Ra8 22. Bb4 Qe2 23. Qf4 Qh5 24. Bd2 Bc6 25. f3 e6 26. Qe5 Bg7 27. Qc5 Qxc5 28. dxc5 Bb2 29. Rc4 Rd8 30. Kf2 Rd5 31. Ke3 Ba3 32. Ra1 Bxc5+ 33. Rxc5 Rxc5 34. Rxa7 Kg7 35. Ra5 Rxa5 36. Bxa5 Kf6 37. Bc3+ Ke7 38. g4 Kd6 39. h4 h5 40. g5 e5 41. Ba5 b5 42. Bb4+ Ke6 0-1

[Event "Lanzarote 3rd"]
[Site "Lanzarote"]
[Date "1975.04.??"]
[Round "4"]
[White "Betancort Curbelo, Juan"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2350"]
[BlackElo "2455"]
[PlyCount "83"]
[EventDate "1975.04.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "7"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Bd3 d5 7. 0-0 Nc6 8. dxc5 dxc4 9. Bxc4 Qa5 10. Qe2 Qxc5 11. h3 a6 12. a4 Na5 13. Ba2 b5 14. e4 b4 15. Be3 Qc7 16. Nd5 Nxd5 17. Bxd5 Bb7 18. Rac1 Qb8 19. Rc5 Bxd5 20. exd5 Nb7 21. Rc6 Qd8 22. Rfc1 Qd7 23. Rb6 Rfc8 24. Rbc6 Nd6 25. Bd4 Bf8 26. g4 Ne8 27. Qc4 Rd8 28. Bb6 Qxd5 29. Bxd8 Qxf3 30. Bc7 Qxh3 31. Be5 Nf6 32. Bxf6 exf6 33. Rc7 Kh8 34. Rxf7 Rd8 35. Qe6 Qh4 36. Rc8 Rd1+ 37. Kg2 Qh1+ 38. Kg3 Rd3+ 39. Qe3 Rxe3+ 40. fxe3 Qg1+ 41. Kf3 Qf1+ 42. Kg3 1/2-1/2

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Visier Segovia, Fernando"]
[Result "0-1"]
[ECO "E89"]
[PlyCount "68"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 e5 7. Nge2 c6 8. d5 cxd5 9. cxd5 a6 10. a4 Nh5 11. g4 Nf4 12. h4 f5 13. gxf5 gxf5 14. Nxf4 exf4 15. Bd4 Nd7 16. Bxg7 Kxg7 17. Qd2 Ne5 18. Be2 Kh8 19. a5 Bd7 20. Qd4 Rc8 21. exf5 Bxf5 22. Kd2 Rc5 23. Qb4 Qf6 24. Qxf4 Ng6 25. Qb4 Ne7 26. Ra4 Bd7 27. Ra3 Nxd5 28. Nxd5 Rxd5+ 29. Ke1 Re8 30. Kf2 Bb5 31. Bd1 Rd4 32. Qc3 Qe5 33. b4 Rg8 34. Ra2 Qg3+ 0-1

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Visier Segovia, Fernando"]
[Result "1-0"]
[ECO "E64"]
[PlyCount "61"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. g3 Bg7 6. Bg2 0-0 7. Nf3 Na6 8. 0-0 Nc7 9. e4 a6 10. a4 Rb8 11. a5 b5 12. axb6 Rxb6 13. Ra3 e5 14. Ne1 Nd7 15. Nd3 f5 16. f4 exf4 17. Bxf4 Bd4+ 18. Kh1 Ne5 19. Na4 Nxc4 20. Nxb6 Nxb6 21. Bh6 Rf7 22. exf5 Rxf5 23. Re1 Bb7 24. Nf4 Be5 25. Rb3 Nb5 26. Ne6 Qa8 27. g4 Rf2 28. Rxe5 dxe5 29. Nc7 Nxc7 30. Rxb6 Rf7 31. Rxb7 1-0

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Visier Segovia, Fernando"]
[Result "1-0"]
[ECO "A53"]
[PlyCount "67"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. g3 c6 5. Bg2 e5 6. Nf3 Nbd7 7. 0-0 Be7 8. Nh4 Bg4 9. h3 exd4 10. hxg4 dxc3 11. g5 Nh5 12. Nf5 Ne5 13. b3 g6 14. Nxe7 Qxe7 15. Qd4 0-0 16. Qxc3 f6 17. f4 Nd7 18. Bb2 Ng7 19. Rad1 Rad8 20. Rd3 fxg5 21. Rxd6 Nc5 22. Rxd8 Rxd8 23. fxg5 Nce6 24. Kh2 Qxg5 25. Bh3 Qh5 26. Rf3 Nd4 27. Kg2 Qe5 28. Re3 Qf6 29. c5 Qf7 30. Rd3 Rf8 31. Qe1 Ndf5 32. e4 Nh6 33. Kg1 g5 34. Rd7 1-0

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Betancort Curbelo, Juan"]
[Black "Visier Segovia, Fernando"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "79"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e5 6. 0-0 d6 7. d3 Bg4 8. h3 Be6 9. f4 Qd7 10. Kh2 Nge7 11. Be3 Nd4 12. Qd2 0-0 13. fxe5 dxe5 14. Nd1 Rad8 15. Nxd4 cxd4 16. Bh6 Bxh6 17. Qxh6 Rc8 18. Qd2 Kg7 19. c4 dxc3 20. bxc3 Rfd8 21. Nf2 Qc7 22. Rac1 Qa5 23. Rc2 Rc4 24. Ng4 Ng8 25. Ne3 Ra4 26. Rf2 Ne7 27. h4 h5 28. Qe2 Ra3 29. Qf3 f5 30. exf5 Nxf5 31. Bh3 Rf8 32. Bxf5 Rxc3 33. Rb2 Rc7 34. g4 gxf5 35. gxf5 Bf7 36. f6+ Kh8 37. Rg2 Qe1 38. Rbf2 Qb4 39. Nc4 Bxc4 40. f7 1-0

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Visier Segovia, Fernando"]
[Black "Betancort Curbelo, Juan"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "56"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. 0-0 cxd4 7. Qxd4 Be7 8. Nc3 0-0 9. Bf4 Nc6 10. Qd2 Na5 11. b3 d5 12. Ne5 dxc4 13. Qxd8 Rfxd8 14. Bxb7 Nxb7 15. Nc6 Rd7 16. bxc4 Bd6 17. Rfd1 Rc8 18. Nxa7 Rxc4 19. Bxd6 Rxc3 20. Nb5 Rc2 21. Kf1 h5 22. a4 Rc4 23. Rd3 Nd5 24. Be5 f6 25. Bd4 e5 26. Bxb6 Nxb6 27. a5 Rxd3 28. exd3 Rc5 0-1

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Visier Segovia, Fernando"]
[Black "Betancort Curbelo, Juan"]
[Result "1/2-1/2"]
[ECO "E41"]
[PlyCount "105"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. e4 e5 10. d5 Na5 11. Bg5 Bg4 12. h3 Bxf3 13. Qxf3 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. f4 Kg7 17. Rf3 Rad8 18. g4 Rd7 19. Raf1 Rb8 20. Rb1 b6 21. a4 Rdb7 22. Rf2 Rg8 23. Kg2 Kf8 24. Kg3 h5 25. fxe5 fxe5 26. Rf6 Ke7 27. Rbf1 Rg7 28. g5 Rxg5+ 29. Kh4 Rg7 30. Be2 Rb8 31. R6f5 Rh8 32. R1f2 Rhh7 33. Rxh5 Rxh5+ 34. Kxh5 Rg3 35. h4 Rg6 36. Rf5 Nb3 37. Rg5 Rf6 38. Bg4 Rf4 39. Rf5 Nd2 40. Rxf4 exf4 41. Kg5 f3 42. e5 dxe5 43. h5 f2 44. Bh3 Nxc4 45. h6 Kf8 46. Kf6 Kg8 47. Bf1 Ne3 48. d6 Nxf1 49. d7 Kh7 50. d8Q Ng3 51. Qd3+ e4 52. Qxg3 f1Q+ 53. Ke7 1/2-1/2

[Event "Match Betancourt-Visier +4-1=2"]
[Site "Las Palmas"]
[Date "1973.??.??"]
[Round "?"]
[White "Visier Segovia, Fernando"]
[Black "Betancort Curbelo, Juan"]
[Result "1/2-1/2"]
[ECO "E88"]
[PlyCount "80"]
[EventDate "1973.??.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[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 Nbd7 10. Nge2 a6 11. 0-0-0 b5 12. Kb1 Re8 13. Rc1 Nf8 14. g4 Bd7 15. h4 b4 16. Nd1 a5 17. Ng3 Qb8 18. Nf2 Rc8 19. Bh3 Rxc1+ 20. Rxc1 Qb7 21. h5 Rc8 22. h6 Bh8 23. Rxc8 Qxc8 24. Qc2 Qb8 25. Qc4 Qa7 26. Bf1 Be8 27. Qa6 Qxa6 28. Bxa6 N6d7 29. Bb5 Bf6 30. g5 Bd8 31. Ng4 f6 32. gxf6 Kf7 33. Bg5 Bb6 34. f4 exf4 35. Bxf4 Nxf6 36. Bxe8+ Nxe8 37. e5 dxe5 38. Nxe5+ Kf6 39. Nf3 Nd7 40. Bg5+ Kf7 1/2-1/2

[Event "ESP-ch"]
[Site "Reus"]
[Date "1968.08.07"]
[Round "10"]
[White "Mari Sancho, Rafael"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "63"]
[EventDate "1968.07.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 cxd4 8. cxd4 Qb6 9. g3 Be7 10. Bg2 0-0 11. 0-0 a6 12. Re1 Qc7 13. Nf4 b5 14. h4 Nb6 15. b3 Bd7 16. Bf1 Rfc8 17. Bb2 Qd8 18. Rc1 Qf8 19. Bd3 Be8 20. Kg2 g6 21. Bb1 Ba3 22. Bxa3 Qxa3 23. h5 Ne7 24. hxg6 hxg6 25. Qd2 Kg7 26. Rh1 Ng8 27. Ng5 Kf8 28. Rh7 Ke7 29. Nxg6+ Kd8 30. Nxe6+ fxe6 31. Qg5+ Ne7 32. Nxe7 1-0

[Event "Spain"]
[Site "Spain"]
[Date "1968.??.??"]
[Round "?"]
[White "Visier Segovia, Fernando"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "61"]
[EventDate "1968.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 0-0 9. Qe2 Qc7 10. 0-0-0 b5 11. a3 Nc6 12. Kb1 Bd7 13. g4 Rac8 14. f4 e5 15. Nxc6 Bxc6 16. g5 Nxe4 17. Nxe4 Bxe4 18. Rhg1 exf4 19. Bxf4 Bg6 20. h4 Rfe8 21. h5 Bxg5 22. hxg6 Rxe2 23. gxf7+ Kh8 24. Bxd6 Qc6 25. Rxg5 Rxc2 26. Be5 Rc1+ 27. Ka2 Qh6 28. Rxg7 Qxg7 29. Rxc1 Rf8 30. Rg1 Rxf7 31. Bxf7 1-0

[Event "ESP-ch"]
[Site "Cadiz"]
[Date "1963.08.19"]
[Round "6"]
[White "Betancort Curbelo, Juan"]
[Black "Romero Briones, Antonio"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "78"]
[EventDate "1963.07.14"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Nxb3 11. Nxb3 Be7 12. Nbd4 Nxd4 13. cxd4 c5 14. Be3 c4 15. Nd2 Bf5 16. f4 Qd7 17. h3 h5 18. Kh2 Rc8 19. Rc1 a5 20. Nf3 b4 21. Bd2 Qa7 22. Qe1 Rh6 23. a3 c3 24. bxc3 b3 25. Qe2 Qa6 26. Qxa6 Rxa6 27. g4 hxg4 28. hxg4 Bd3 29. Rg1 b2 30. Rb1 Bxa3 31. Nh4 Rb8 32. Nf5 Bf8 33. Ne3 a4 34. Nxd5 a3 35. Nc7+ Kd7 36. Nxa6 Bxa6 37. c4 Bxc4 38. Bc3 Bd3 39. Rbd1 a2 0-1

[Event "ESP-ch"]
[Site "Cadiz"]
[Date "1963.07.20"]
[Round "7"]
[White "Palacios de la Prida, Ernesto"]
[Black "Betancort Curbelo, Juan"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "111"]
[EventDate "1963.07.14"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. Bd3 Nf6 4. Nd2 c5 5. c3 Be7 6. f4 Qc7 7. Ngf3 Nbd7 8. 0-0 b6 9. Ne5 Bb7 10. Qf3 g6 11. g4 Rf8 12. g5 Nxe5 13. fxe5 Nh5 14. Qg4 0-0-0 15. Nf3 Ng7 16. Bd2 Nf5 17. b4 c4 18. Bxf5 gxf5 19. Qh5 Rde8 20. Kf2 Bd8 21. Rg1 Qe7 22. Rg3 Rh8 23. Qh3 Reg8 24. Rag1 Qe8 25. Qf1 Qa4 26. Qb1 Qe8 27. h4 Be7 28. h5 Qd8 29. Ke2 Bc6 30. R1g2 Be8 31. Be1 h6 32. gxh6 Rxg3 33. Bxg3 Rxh6 34. Qh1 f6 35. Rh2 Qd7 36. Bf4 Rh7 37. h6 Qa4 38. Qb1 Qa3 39. exf6 Bxf6 40. Kd2 a5 41. bxa5 b5 42. Rg2 Qf8 43. a4 Ra7 44. axb5 Rxa5 45. b6 Kb7 46. h7 Bf7 47. Ne5 Qa8 48. h8Q Bxh8 49. Nxf7 Ra2+ 50. Ke1 Rxg2 51. Nd6+ Kb8 52. Kf1 Ra2 53. b7 Qa4 54. Nf7+ e5 55. Nxe5 Qb3 56. Nxc4+ 1-0

