| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. M Rivas Pastor vs R Meulders |
| 0-1 | 31 | 1978 | Amsterdam Zonal | A92 Dutch |
| 52. G Morrison vs M Rivas Pastor |
| 0-1 | 42 | 1978 | Amsterdam Zonal | A30 English, Symmetrical |
| 53. M Rivas Pastor vs Timman |
| 0-1 | 32 | 1978 | Amsterdam Zonal | B07 Pirc |
| 54. M Rivas Pastor vs Short |
 | 1-0 | 23 | 1979 | Aaronson Masters | E12 Queen's Indian |
| 55. M Rivas Pastor vs G Flear |
| 1-0 | 46 | 1979 | Aaronson Masters | D43 Queen's Gambit Declined Semi-Slav |
| 56. H D MacPherson vs M Rivas Pastor |
| 0-1 | 33 | 1979 | Aaronson Masters | A00 Uncommon Opening |
| 57. P Littlewood vs M Rivas Pastor |
| 1-0 | 48 | 1979 | Aaronson Masters | C62 Ruy Lopez, Old Steinitz Defense |
| 58. M Rivas Pastor vs G Ligterink |
| 1-0 | 30 | 1979 | Aaronson Masters | E12 Queen's Indian |
| 59. M Rivas Pastor vs J P Dominguez Sanz |
| 1-0 | 41 | 1979 | Las Palmas | E10 Queen's Pawn Game |
| 60. Geller vs M Rivas Pastor |
| 1-0 | 24 | 1979 | Las Palmas | A33 English, Symmetrical |
| 61. M Rivas Pastor vs J Garriga Nualart |
| 1-0 | 27 | 1979 | Las Palmas | D02 Queen's Pawn Game |
| 62. J Garcia Padron vs M Rivas Pastor |
| 1-0 | 40 | 1979 | Las Palmas | A22 English |
| 63. M Rivas Pastor vs F Sanz Alonso |
| 1-0 | 72 | 1979 | Las Palmas | E11 Bogo-Indian Defense |
| 64. J Bellon Lopez vs M Rivas Pastor |
| 1-0 | 56 | 1979 | Las Palmas | B43 Sicilian, Kan, 5.Nc3 |
| 65. M Rivas Pastor vs G Garcia Gonzalez |
| 0-1 | 47 | 1979 | Las Palmas | A53 Old Indian |
| 66. Csom vs M Rivas Pastor |
| 1-0 | 40 | 1979 | Las Palmas | A20 English |
| 67. M Rivas Pastor vs Ivkov |
| 0-1 | 40 | 1979 | Las Palmas | A32 English, Symmetrical Variation |
| 68. O Rodriguez Vargas vs M Rivas Pastor |
| ½-½ | 83 | 1979 | Las Palmas | D02 Queen's Pawn Game |
| 69. M Rivas Pastor vs J L Fernandez Garcia |
| 1-0 | 71 | 1979 | Las Palmas | D02 Queen's Pawn Game |
| 70. S Tatai vs M Rivas Pastor |
| 0-1 | 39 | 1979 | Las Palmas | D02 Queen's Pawn Game |
| 71. M Rivas Pastor vs Suba |
| ½-½ | 43 | 1979 | Las Palmas | A46 Queen's Pawn Game |
| 72. Vaganian vs M Rivas Pastor |
| 1-0 | 19 | 1979 | Las Palmas | A29 English, Four Knights, Kingside Fianchetto |
| 73. M Rivas Pastor vs J Betancort Curbelo |
| 1-0 | 29 | 1979 | Las Palmas | A47 Queen's Indian |
| 74. M Rivas Pastor vs J de la Villa Garcia |
| 1-0 | 38 | 1979 | ESP-ch | A48 King's Indian |
| 75. M Rivas Pastor vs Korchnoi |
| 1-0 | 35 | 1979 | Linares | E12 Queen's Indian |
Kibitzing
