| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. B Malisov vs Kupreichik |
 | 0-1 | 13 |
1963 |
Minsk | A82 Dutch, Staunton Gambit |
| 2. Anishchenko vs Kupreichik |
 | 0-1 | 40 |
1964 |
URS | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 3. Kupreichik vs A J Whiteley |
| 0-1 | 33 |
1965 |
Groningen | C00 French Defense |
| 4. Bagirov vs Kupreichik |
 | 0-1 | 22 |
1965 |
Leningrad | D17 Queen's Gambit Declined Slav |
| 5. Kupreichik vs Karpov |
 | 0-1 | 33 |
1966 |
It, Trinec | C77 Ruy Lopez |
| 6. Kupreichik vs T Georgadze |
 | 0-1 | 53 |
1967 |
Moscow | B32 Sicilian |
| 7. Kupreichik vs M Mukhin |
| 0-1 | 54 |
1967 |
URS | C77 Ruy Lopez |
| 8. S Martinovic vs Kupreichik |
| 0-1 | 23 |
1968 |
Ybbs | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 9. Koolmeister vs Kupreichik |
 | 0-1 | 69 |
1968 |
Riga | D25 Queen's Gambit Accepted |
| 10. Kupreichik vs Dzindzichashvili |
 | 0-1 | 25 |
1968 |
USSR | C62 Ruy Lopez, Old Steinitz Defense |
| 11. Vorobiev vs Kupreichik |
| 0-1 | 31 |
1968 |
Riga | A02 Bird's Opening |
| 12. G Fedorov vs Kupreichik |
| 0-1 | 25 |
1968 |
Riga | B02 Alekhine's Defense |
| 13. Peebo vs Kupreichik |
 | 0-1 | 18 |
1968 |
Riga | B32 Sicilian |
| 14. A Shmit vs Kupreichik |
| 0-1 | 40 |
1968 |
Odessa | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 15. V Lipman vs Kupreichik |
| 0-1 | 30 |
1968 |
Riga | B03 Alekhine's Defense |
| 16. T Blackstone vs Kupreichik |
| 0-1 | 35 |
1968 |
Ybbs | B32 Sicilian |
| 17. Kupreichik vs D Kudischewitsch |
| 0-1 | 53 |
1968 |
Riga | B19 Caro-Kann, Classical |
| 18. Kupreichik vs Podgaets |
| 0-1 | 44 |
1969 |
URS-chT | C50 Giuoco Piano |
| 19. Kupreichik vs V Tukmakov |
| 0-1 | 71 |
1969 |
USSR Championship | C77 Ruy Lopez |
| 20. Kupreichik vs Alburt |
| 0-1 | 80 |
1969 |
URS-ch sf | C02 French, Advance |
| 21. Kholmov vs Kupreichik |
| 0-1 | 56 |
1969 |
URS | D15 Queen's Gambit Declined Slav |
| 22. Kupreichik vs Lutikov |
| 0-1 | 39 |
1969 |
USSR Championship | B04 Alekhine's Defense, Modern |
| 23. A Zaitsev vs Kupreichik |
| 0-1 | 35 |
1969 |
USSR Championship | D78 Neo-Grunfeld, 6.O-O c6 |
| 24. Kupreichik vs Gufeld |
| 0-1 | 34 |
1969 |
USSR Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 25. Kupreichik vs Geller |
 | 0-1 | 29 |
1969 |
USSR Championship | C77 Ruy Lopez |