| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Portisch vs D Drimer |
| ½-½ | 19 |
1957 |
WchT U26 04th | E08 Catalan, Closed |
| 2. D Drimer vs J Kozma |
| ½-½ | 24 |
1957 |
WchT U26 04th | C47 Four Knights |
| 3. P Ravn vs D Drimer |
| 0-1 | 45 |
1957 |
WchT U26 04th | B04 Alekhine's Defense, Modern |
| 4. D Drimer vs K Darga |
| ½-½ | 17 |
1960 |
Leipzig ol (Men) qual-D | B85 Sicilian, Scheveningen, Classical |
| 5. Vukcevich vs D Drimer |
 | 1-0 | 62 |
1960 |
WchT U26 07th | B36 Sicilian, Accelerated Fianchetto |
| 6. Uhlmann vs D Drimer |
| 0-1 | 53 |
1960 |
Leipzig ol (Men) | A14 English |
| 7. M Bobotsov vs D Drimer |
| 1-0 | 50 |
1960 |
Leipzig ol (Men) fin-A | E10 Queen's Pawn Game |
| 8. D Drimer vs G Kluger |
| ½-½ | 34 |
1960 |
Asztalos mem 3rd | C46 Three Knights |
| 9. A Matanovic vs D Drimer |
| 1-0 | 31 |
1960 |
Leipzig ol (Men) | B42 Sicilian, Kan |
| 10. D Drimer vs Sliwa |
| ½-½ | 41 |
1960 |
Asztalos mem | C46 Three Knights |
| 11. G Barcza vs D Drimer |
| ½-½ | 44 |
1960 |
Leipzig ol (Men) | A14 English |
| 12. D Drimer vs Bronstein |
| 0-1 | 42 |
1960 |
? | B92 Sicilian, Najdorf, Opocensky Variation |
| 13. D Drimer vs K Darga |
| ½-½ | 15 |
1960 |
Leipzig ol (Men) fin-A | B44 Sicilian |
| 14. D Drimer vs Botvinnik |
  | ½-½ | 26 |
1960 |
Leipzig Olympiad Fin | B60 Sicilian, Richter-Rauzer |
| 15. D Drimer vs Tringov |
| 0-1 | 53 |
1960 |
WchT U26 07th | D04 Queen's Pawn Game |
| 16. G Kluger vs D Drimer |
| 1-0 | 42 |
1961 |
Maroczy mem | D31 Queen's Gambit Declined |
| 17. G Mititelu vs D Drimer |
 | 1-0 | 42 |
1961 |
ROM-ch | D11 Queen's Gambit Declined Slav |
| 18. D Drimer vs Bronstein |
| 0-1 | 42 |
1961 |
Budapest | B92 Sicilian, Najdorf, Opocensky Variation |
| 19. V M Georgescu vs D Drimer |
| 0-1 | 31 |
1961 |
Romania | B88 Sicilian, Fischer-Sozin Attack |
| 20. Taimanov vs D Drimer |
| ½-½ | 42 |
1961 |
Budapest | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 21. J Marsalek vs D Drimer |
| ½-½ | 78 |
1961 |
Bucharest GMT 5th | A61 Benoni |
| 22. Filip vs D Drimer |
| ½-½ | 37 |
1961 |
Maroczy mem | A14 English |
| 23. Korchnoi vs D Drimer |
| 1-0 | 35 |
1961 |
Budapest | A07 King's Indian Attack |
| 24. D Drimer vs J Fichtl |
| 1-0 | 44 |
1962 |
Lasker mem | D46 Queen's Gambit Declined Semi-Slav |
| 25. D Drimer vs Minev |
| ½-½ | 29 |
1962 |
Lasker mem | D10 Queen's Gambit Declined Slav |