| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Liavdansky vs E Ruban |
| 1-0 | 36 | 1969 | Leningrad Championship | E46 Nimzo-Indian |
| 27. E Ruban vs B Vladimirov |
| 0-1 | 56 | 1969 | Leningrad Championship | A49 King's Indian, Fianchetto without c4 |
| 28. E Ruban vs I Radashkovich |
| 0-1 | 52 | 1970 | Leningrad Championship | D55 Queen's Gambit Declined |
| 29. A Lukin vs E Ruban |
| 1-0 | 39 | 1970 | Leningrad Championship | C16 French, Winawer |
| 30. E Ruban vs V Liavdansky |
| 1-0 | 42 | 1970 | Leningrad Championship | B30 Sicilian |
| 31. E Ruban vs B Kantsler |
| 0-1 | 39 | 1980 | USSR Junior Championship | A04 Reti Opening |
| 32. I Zakharevich vs E Ruban |
| 1-0 | 30 | 1996 | Minsk op | E12 Queen's Indian |
Kibitzing
