| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. L Ortega vs G Cabrilo |
| 1-0 | 44 | 1983 | Varna | A26 English |
| 52. L Ortega vs N Spiridonov |
| ½-½ | 47 | 1983 | Varna | A00 Uncommon Opening |
| 53. L Ortega vs E Ermenkov |
| ½-½ | 41 | 1983 | Varna | A00 Uncommon Opening |
| 54. L Ortega vs L Espig |
| ½-½ | 28 | 1983 | Varna | A30 English, Symmetrical |
| 55. L Ortega vs E Meduna |
| 0-1 | 64 | 1983 | Varna | A06 Reti Opening |
| 56. D Lalev vs L Ortega |
| ½-½ | 17 | 1983 | Varna | A46 Queen's Pawn Game |
| 57. L Ortega vs A Zapata |
| 0-1 | 23 | 1984 | Bayamo | E92 King's Indian |
| 58. A Rodriguez vs L Ortega |
| ½-½ | 20 | 1984 | Bayamo | B92 Sicilian, Najdorf, Opocensky Variation |
| 59. F Braga vs L Ortega |
| ½-½ | 10 | 1984 | Bayamo | B22 Sicilian, Alapin |
| 60. L Ortega vs R Hernandez Onna |
| ½-½ | 12 | 1984 | Bayamo | E11 Bogo-Indian Defense |
| 61. G Lebredo Zaragoitia vs L Ortega |
| 0-1 | 53 | 1984 | Bayamo | B03 Alekhine's Defense |
| 62. L Ortega vs J Ochoa |
| ½-½ | 11 | 1984 | Bayamo | A15 English |
| 63. G Estevez Morales vs L Ortega |
| 0-1 | 32 | 1984 | Bayamo | A46 Queen's Pawn Game |
| 64. L Ortega vs S Garcia Martinez |
| ½-½ | 12 | 1984 | Bayamo | D34 Queen's Gambit Declined, Tarrasch |
| 65. J Diaz vs L Ortega |
  | 1-0 | 27 | 1984 | Bayamo | B98 Sicilian, Najdorf |
| 66. R Mateo vs L Ortega |
| ½-½ | 12 | 1984 | Bayamo | B12 Caro-Kann Defense |
| 67. D Alzate vs L Ortega |
| 1-0 | 24 | 1984 | Bayamo | B92 Sicilian, Najdorf, Opocensky Variation |
| 68. L Ortega vs G Garcia Gonzalez |
| ½-½ | 61 | 1984 | Bayamo | A15 English |
| 69. L Ortega vs J L Vilela |
| ½-½ | 8 | 1984 | Bayamo | A00 Uncommon Opening |
| 70. V Zaltsman vs L Ortega |
| ½-½ | 25 | 1985 | Havana II | E10 Queen's Pawn Game |
| 71. L Ortega vs W Arencibia Rodriguez |
| 1-0 | 29 | 1985 | Havana-B | A14 English |
| 72. C Garcia Palermo vs L Ortega |
| 1-0 | 48 | 1985 | Havana-B | A70 Benoni, Classical with 7.Nf3 |
| 73. S Tatai vs L Ortega |
| 0-1 | 31 | 1985 | Capablanca mem-B | B98 Sicilian, Najdorf |
| 74. Hodgson vs L Ortega |
| 0-1 | 28 | 1986 | Yerevan | B21 Sicilian, 2.f4 and 2.d4 |
| 75. K Grigorian vs L Ortega |
| 0-1 | 52 | 1986 | Yerevan | A70 Benoni, Classical with 7.Nf3 |
Kibitzing
