[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.08.01"]
[Round "9"]
[White "Ibanez, Dagoberto"]
[Black "Hernandez, Jose de Jesus"]
[Result "1-0"]
[ECO "C09"]
[BlackElo "2310"]
[PlyCount "69"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nbd2 0-0 10. Nb3 Bb6 11. Nbd4 a6 12. Be2 Qd6 13. Be3 Bc7 14. h3 f5 15. Nb3 f4 16. Bc5 Qh6 17. Nbd4 Bd6 18. Bxd6 Qxd6 19. Re1 Kh8 20. Bd3 Nxd4 21. Nxd4 Nf5 22. Qh5 g6 23. Qg5 Nxd4 24. cxd4 Bf5 25. Bxf5 gxf5 26. Re5 f3 27. g3 Rg8 28. Qxf5 Raf8 29. Qe6 Qb4 30. Rxd5 Rxg3+ 31. Kh1 Rg2 32. Qe5+ Kg8 33. Rd7 Qxb2 34. Rg1 Qxf2 35. Rg7+ 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.31"]
[Round "8"]
[White "Morejon, Jorge L"]
[Black "Ibanez, Dagoberto"]
[Result "1/2-1/2"]
[ECO "C89"]
[PlyCount "148"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. c3 0-0 8. Re1 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 12. d4 Bd6 13. Re1 Ng4 14. g3 Nxh2 15. Qh5 Ng4 16. Bg5 Qd7 17. Bc2 f5 18. Nd2 Bb7 19. Rad1 Kh8 20. f3 Nf6 21. Qh3 g6 22. Qh4 Nh5 23. f4 Qc6 24. Re2 Rae8 25. Rde1 Kg7 26. Bb3 h6 27. Be7 Bxe7 28. Rxe7+ Kh8 29. Qh2 Rxe7 30. Rxe7 Re8 31. Bd5 Rxe7 32. Bxc6 Bxc6 33. Qf2 Nf6 34. d5 Bxd5 35. Qd4 Kg7 36. b3 Re1+ 37. Kf2 Rd1 38. Ke2 Rh1 39. c4 Rh2+ 40. Kd1 bxc4 41. bxc4 Bf7 42. Kc1 Rh1+ 43. Kb2 Rh2 44. Kc1 Rh1+ 45. Kc2 Rh2 46. Kd1 Rh1+ 47. Kc2 Rh2 48. Kb3 Rg2 49. Qc3 g5 50. fxg5 hxg5 51. Qe3 Kg6 52. Nf3 Ne4 53. g4 Rg3 54. gxf5+ Kxf5 55. Kb2 c5 56. Qe2 Bxc4 57. Qxc4 Rxf3 58. Qxa6 g4 59. a4 g3 60. Qc8+ Kf4 61. Qb8+ Ke3 62. Qb3+ Ke2 63. Qc4+ Ke3 64. Qb3+ Kf4 65. Qf7+ Ke3 66. Qb3+ Ke2 67. Qc4+ Kf2 68. Qxe4 g2 69. Qc2+ Kf1 70. Qc1+ Kf2 71. Qxc5+ Kf1 72. Qc1+ Kf2 73. Qd2+ Kf1 74. Qd1+ Kf2 1/2-1/2

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.30"]
[Round "7"]
[White "Ibanez, Dagoberto"]
[Black "Echevarria, Ramon"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "75"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. 0-0 0-0 8. Rb1 Nd4 9. a3 b6 10. h4 Bb7 11. Nf4 Qc7 12. Be3 Rad8 13. h5 d5 14. hxg6 hxg6 15. exd5 Nxd5 16. Nfxd5 Bxd5 17. Nxd5 exd5 18. Bg5 Rd7 19. Re1 Ne6 20. Qg4 Nxg5 21. Qxg5 Qd6 22. Bh3 Bf6 23. Qf4 Qxf4 24. gxf4 Rdd8 25. Kg2 Kg7 26. Kf3 Rh8 27. Bg2 b5 28. b3 Rd6 29. a4 bxa4 30. bxa4 Ra6 31. Rb5 Rxa4 32. Rxc5 Rh4 33. c4 dxc4 34. Rxc4 Rxc4 35. dxc4 g5 36. fxg5 Bxg5 37. Ra1 Rxc4 38. Rxa7 1/2-1/2

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.29"]
[Round "6"]
[White "Fernandez Bravo, Ciro Angel"]
[Black "Ibanez, Dagoberto"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "31"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nd2 a6 14. Rc1 Ba7 15. Nb3 Re8 16. Nf4 1/2-1/2

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.29"]
[Round "5"]
[White "Ibanez, Dagoberto"]
[Black "Labrada, Jose A"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "115"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. 0-0 0-0 9. Qe2 b6 10. Bg5 Bb7 11. Rad1 Qd6 12. Rfe1 Nd7 13. d5 e5 14. Bxe7 Qxe7 15. Nxe5 Nxe5 16. Qxe5 Qxe5 17. Rxe5 Rfe8 18. Rde1 Kf8 19. c4 Rxe5 20. Rxe5 Rd8 21. Re3 c6 22. dxc6 Bxc6 23. f3 Rd4 24. Kf2 h5 25. Ke2 g5 26. Re5 g4 27. Ke3 Rd6 28. Be2 h4 29. Rg5 gxf3 30. gxf3 Re6+ 31. Kf2 Rd6 32. Ke3 Re6+ 33. Kd2 Rd6+ 34. Ke3 Rf6 35. Kf2 Rd6 36. Rh5 Rd2 37. b4 Rxa2 38. b5 Bd7 39. Rxh4 Ke7 40. Rd4 Ra4 41. h4 Bf5 42. Ke3 Ra1 43. Kf4 Bh7 44. Rd5 Rh1 45. Kg3 Bg6 46. c5 bxc5 47. Rxc5 Kd6 48. Rc6+ Ke5 49. Ra6 Rg1+ 50. Kf2 Rh1 51. Ra4 Bc2 52. Rxa7 f5 53. b6 Rxh4 54. b7 Rb4 55. Bb5 Rxb5 56. Ra5 Rxa5 57. b8Q+ Kd4 58. Qb4+ 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.28"]
[Round "4"]
[White "Barreras, Alberto"]
[Black "Ibanez, Dagoberto"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2390"]
[PlyCount "69"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Bd3 a6 11. 0-0 Rb8 12. Bd2 Qc8 13. a4 Ne8 14. Rae1 Nc7 15. b3 Qe8 16. e5 dxe5 17. f5 Qd8 18. Ne4 Ne8 19. fxg6 hxg6 20. Ng5 Nef6 21. h4 e4 22. Bxe4 Ne5 23. Qd1 Nxe4 24. Rxe4 Nd7 25. Qe2 Bf6 26. h5 Bd4+ 27. Kh1 Nf6 28. hxg6 Nxe4 29. Qxe4 Kg7 30. Rxf7+ Rxf7 31. Ne6+ Kg8 32. gxf7+ Kxf7 33. Qh7+ Ke8 34. Nxd8 Rxd8 35. Bg5 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.27"]
[Round "2"]
[White "Ibanez, Dagoberto"]
[Black "Boudy Bueno, Julio Leonardo"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2370"]
[PlyCount "54"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. Nd2 Qc7 9. a4 Be7 10. Nc4 Be6 11. Ne3 0-0 12. Qf3 g6 13. b3 Rad8 14. Bb2 Nd7 15. Rad1 f6 16. Qg3 Kh8 17. Ng4 h5 18. Ne3 Kh7 19. Bc4 Nc5 20. Qf3 Rxd1 21. Rxd1 Rd8 22. Rxd8 Qxd8 23. Bf1 Kg7 24. h3 Qd2 25. Ba3 Qd4 26. Bd3 Qa1+ 27. Kh2 Qxa3 0-1

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.27"]
[Round "3"]
[White "Ibanez, Dagoberto"]
[Black "Truy Yera, Nelson"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "111"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. c3 Be7 8. Nbd2 f5 9. 0-0 0-0 10. Ne5 Nxe5 11. dxe5 Qe8 12. Nf3 Qg6 13. Re1 c6 14. Qc2 Kh8 15. b3 Bd7 16. Bb2 Bc5 17. Re2 h5 18. Rd1 Qh7 19. c4 Rac8 20. Qc1 Rfe8 21. Ng5 Qg6 22. Nxe4 dxe4 23. Bxe4 Be6 24. Bf3 Be7 25. Qe3 Rcd8 26. Rxd8 Rxd8 27. Rd2 f4 28. Rxd8+ Bxd8 29. Qxf4 Qb1+ 30. Qc1 Qxa2 31. Bd1 Qa5 32. Bxh5 Bg5 33. f4 Be7 34. Bd4 Qb4 35. Qc3 Qa3 36. h3 Qa2 37. Bg4 Qb1+ 38. Kh2 Bxg4 39. hxg4 Qd1 40. Qh3+ Kg8 41. Bf2 a5 42. Qf3 Qc1 43. Qe4 Qd1 44. Qf3 Qc1 45. Qe3 Qd1 46. g5 b5 47. cxb5 cxb5 48. Qc3 Qh5+ 49. Kg3 Qg6 50. Kg4 a4 51. bxa4 bxa4 52. Qc4+ Kh7 53. Qxa4 Qd3 54. Qd4 Qe2+ 55. Kg3 Ba3 56. Qe3 1-0

[Event "Havana Radio Rebelde op 1st"]
[Site "Havana"]
[Date "1981.07.26"]
[Round "1"]
[White "Fernandez Arce, Rene"]
[Black "Ibanez, Dagoberto"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "116"]
[EventDate "1981.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. d3 d6 5. Be3 Nf6 6. h3 Be7 7. Nbd2 Qc7 8. g4 b5 9. Bg2 Bb7 10. 0-0 a6 11. c3 Nd7 12. Qe2 Nb6 13. f5 e5 14. d4 Na5 15. b3 h6 16. d5 Bc8 17. Qf2 Bd7 18. b4 Nac4 19. bxc5 dxc5 20. Nxc4 Nxc4 21. Rad1 Bd6 22. Nd2 Nxe3 23. Qxe3 c4 24. Kh2 Qc5 25. Qxc5 Bxc5 26. f6 g6 27. Nf3 Bd6 28. Rb1 a5 29. Nd2 Rc8 30. Rfc1 0-0 31. Bf1 a4 32. Be2 Rb8 33. Kg3 Bc5 34. Kf3 Rb6 35. Kg2 Rxf6 36. Rf1 Rxf1 37. Rxf1 Kg7 38. Nf3 f6 39. Nd2 Bd6 40. Rb1 Rc8 41. Kf2 Bc5+ 42. Ke1 Rc7 43. Kd1 Be3 44. Kc2 Bf2 45. Nf3 Bc5 46. Kd2 Kf7 47. Rf1 Ke7 48. Nh4 Be8 49. Rb1 Bf2 50. Nf3 Kd6 51. Bd1 Bd7 52. Ke2 Bg3 53. Bc2 a3 54. Rg1 Bf4 55. h4 Kc5 56. g5 fxg5 57. hxg5 h5 58. Rd1 Bg4 0-1

