| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. H Karner vs M Ruderfer |
| 0-1 | 47 | 1975 | 13th Soviet Team Championship Final-B | A15 English |
| 52. M Ruderfer vs N Popov |
| 0-1 | 39 | 1975 | 13th Soviet Team Championship Final-B | D15 Queen's Gambit Declined Slav |
| 53. M Ruderfer vs A Kudriashov |
| 1-0 | 47 | 1975 | 13th Soviet Team Championship qual-2 | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 54. I Platonov vs M Ruderfer |
 | 1-0 | 38 | 1976 | Azmiddin Khodzhaev Memorial | D85 Grunfeld |
| 55. M Ruderfer vs O Dementiev |
| 1-0 | 54 | 1976 | Azmiddin Khodzhaev Memorial | A13 English |
| 56. Y Nikolaevsky vs M Ruderfer |
| 1-0 | 43 | 1976 | Azmiddin Khodzhaev Memorial | A06 Reti Opening |
| 57. G Borisenko vs M Ruderfer |
| ½-½ | 41 | 1977 | Azmiddin Khodzhaev Memorial | E13 Queen's Indian, 4.Nc3, Main line |
| 58. I Ivanov vs M Ruderfer |
| 0-1 | 30 | 1978 | Azmiddin Khodzhaev Memorial 1978/79 | E15 Queen's Indian |
| 59. V Manin vs M Ruderfer |
| 1-0 | 31 | 1978 | Azmiddin Khodzhaev Memorial 1978/79 | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 60. M Ruderfer vs L Maslov |
| 1-0 | 42 | 1978 | Azmiddin Khodzhaev Memorial 1978/79 | E41 Nimzo-Indian |
| 61. G Agzamov vs M Ruderfer |
| 1-0 | 39 | 1978 | Uzbekistani Championship | A13 English |
| 62. Taimanov vs M Ruderfer |
| ½-½ | 45 | 1979 | 14th Soviet Team Championship qual-1 | A04 Reti Opening |
| 63. M Ruderfer vs Vladimirov |
| ½-½ | 32 | 1979 | 14th Soviet Team Championship Final-B | A04 Reti Opening |
| 64. Gipslis vs M Ruderfer |
| 1-0 | 36 | 1979 | 14th Soviet Team Championship Final-B | C53 Giuoco Piano |
| 65. M Ruderfer vs A Veingold |
| ½-½ | 28 | 1979 | 14th Soviet Team Championship Final-B | E90 King's Indian |
| 66. A Kapengut vs M Ruderfer |
| ½-½ | 57 | 1979 | 14th Soviet Team Championship Final-B | C92 Ruy Lopez, Closed |
| 67. M Ruderfer vs A Beliavsky |
| 0-1 | 70 | 1979 | 14th Soviet Team Championship qual-1 | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 68. N Zilberman vs M Ruderfer |
| ½-½ | 31 | 1979 | 14th Soviet Team Championship qual-1 | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 69. M Ruderfer vs A Butnorius |
| ½-½ | 32 | 1979 | 14th Soviet Team Championship qual-1 | D37 Queen's Gambit Declined |
| 70. M Ruderfer vs Psakhis |
| 0-1 | 35 | 1980 | SSSR 30/60 (Psakhis,L) | A30 English, Symmetrical |
| 71. Gufeld vs M Ruderfer |
| ½-½ | 58 | 1980 | URS-ch48 sf Krasnoyarsk | C82 Ruy Lopez, Open |
| 72. M Ruderfer vs Psakhis |
| 0-1 | 35 | 1980 | URS-ch48 sf Krasnoyarsk | A30 English, Symmetrical |
| 73. M Ruderfer vs S Vesselovsky |
| ½-½ | 26 | 1980 | URS-ch48 sf Krasnoyarsk | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 74. I Foygel vs M Ruderfer |
| ½-½ | 47 | 1980 | URS-ch48 sf Krasnoyarsk | E01 Catalan, Closed |
| 75. M Ruderfer vs Lutikov |
| ½-½ | 50 | 1980 | URS-ch48 sf Krasnoyarsk | B07 Pirc |
Kibitzing
