| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. W Schmidt vs A Petrosian |
 | 1-0 | 39 | 1976 | Yerevan | E08 Catalan, Closed |
| 52. A Petrosian vs Smejkal |
| ½-½ | 16 | 1976 | Yerevan | A15 English |
| 53. Csom vs A Petrosian |
| ½-½ | 34 | 1976 | Yerevan | A15 English |
| 54. A Petrosian vs A Khachatrian |
| 1-0 | 41 | 1976 | Armenian Championship | A92 Dutch |
| 55. E Mnatsakanian vs A Petrosian |
| 0-1 | 40 | 1976 | Armenian Championship | C50 Giuoco Piano |
| 56. Kupreichik vs A Petrosian |
| 1-0 | 47 | 1976 | URS-ch otbor | C45 Scotch Game |
| 57. Taimanov vs A Petrosian |
| 1-0 | 36 | 1976 | URS-ch44 First League | E21 Nimzo-Indian, Three Knights |
| 58. V Peresipkin vs A Petrosian |
| 0-1 | 35 | 1976 | URS-ch44 First League | A09 Reti Opening |
| 59. A Petrosian vs V Karasev |
| 1-0 | 40 | 1976 | URS-ch44 First League | A41 Queen's Pawn Game (with ...d6) |
| 60. Dorfman vs A Petrosian |
| 1-0 | 24 | 1976 | URS-ch44 First League | A00 Uncommon Opening |
| 61. A Petrosian vs Tseshkovsky |
 | ½-½ | 57 | 1976 | URS-ch44 First League | A04 Reti Opening |
| 62. A Petrosian vs A Kochyev |
| ½-½ | 42 | 1976 | URS-ch44 First League | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 63. A Petrosian vs Alburt |
| 0-1 | 64 | 1976 | URS-ch44 First League | A34 English, Symmetrical |
| 64. K Grigorian vs A Petrosian |
| ½-½ | 44 | 1976 | URS-ch44 First League | E04 Catalan, Open, 5.Nf3 |
| 65. A Petrosian vs N Rashkovsky |
| ½-½ | 29 | 1976 | URS-ch44 First League | E63 King's Indian, Fianchetto, Panno Variation |
| 66. Sveshnikov vs A Petrosian |
| ½-½ | 72 | 1976 | URS-ch44 First League | A07 King's Indian Attack |
| 67. I Ivanov vs A Petrosian |
| 1-0 | 33 | 1976 | URS-ch44 First League | C28 Vienna Game |
| 68. A Petrosian vs Kupreichik |
| 1-0 | 74 | 1976 | URS-ch44 First League | A04 Reti Opening |
| 69. A Petrosian vs A Beliavsky |
| 1-0 | 44 | 1976 | URS-ch44 First League | A06 Reti Opening |
| 70. Furman vs A Petrosian |
| ½-½ | 41 | 1976 | URS-ch44 First League | A17 English |
| 71. A Kapengut vs A Petrosian |
| 1-0 | 42 | 1977 | Spartak Championship | B17 Caro-Kann, Steinitz Variation |
| 72. A Petrosian vs G Borisenko |
| 0-1 | 40 | 1977 | Spartak Championship | E62 King's Indian, Fianchetto |
| 73. A Petrosian vs L Zaid |
| ½-½ | 30 | 1977 | USSR Young Masters Championship | A15 English |
| 74. Vladimirov vs A Petrosian |
| ½-½ | 31 | 1977 | USSR Young Masters Championship | A06 Reti Opening |
| 75. A Mikhalchishin vs A Petrosian |
| 1-0 | 47 | 1977 | USSR Young Masters Championship | C87 Ruy Lopez |
Kibitzing
