| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Gerenski vs N Minev |
| ½-½ | 23 | 1958 | Sofia | B32 Sicilian |
| 2. H Gerenski vs N Padevsky |
| ½-½ | 15 | 1958 | Sofia | C78 Ruy Lopez |
| 3. W Golz vs H Gerenski |
| ½-½ | 24 | 1958 | Sofia | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 4. B Gurgenidze vs H Gerenski |
| ½-½ | 14 | 1958 | Sofia | D50 Queen's Gambit Declined |
| 5. R Bobekov vs H Gerenski |
| 1-0 | 52 | 1958 | Sofia | E15 Queen's Indian |
| 6. H Gerenski vs S Brzozka |
| 0-1 | 57 | 1958 | Sofia | C68 Ruy Lopez, Exchange |
| 7. D Pantaleev vs H Gerenski |
| 0-1 | 35 | 1958 | Sofia | E76 King's Indian, Four Pawns Attack |
| 8. H Gerenski vs G Szilagyi |
| ½-½ | 59 | 1958 | Sofia | B96 Sicilian, Najdorf |
| 9. M Vukcevich vs H Gerenski |
| ½-½ | 23 | 1958 | Sofia | C88 Ruy Lopez |
| 10. H Gerenski vs C Radovici |
| 0-1 | 38 | 1958 | Sofia | C45 Scotch Game |
| 11. A Tsvetkov vs H Gerenski |
| ½-½ | 37 | 1958 | Sofia | A04 Reti Opening |
| 12. Shamkovich vs H Gerenski |
| 1-0 | 25 | 1958 | Russia - Bulgaria | C78 Ruy Lopez |
| 13. P Peev vs H Gerenski |
| 1-0 | 23 | 1967 | BUL-ch | A69 Benoni, Four Pawns Attack, Main line |
| 14. I A Zaitsev vs H Gerenski |
| ½-½ | 17 | 1968 | EU-ch 7th Railways USIC | B96 Sicilian, Najdorf |
| 15. H Gerenski vs A Planinc |
 | 1-0 | 33 | 1970 | EUR-chT (Men) 4th | A26 English |
| 16. J Lechtynsky vs H Gerenski |
| 0-1 | 44 | 1970 | EUR-chT (Men) 4th | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 17. H Gerenski vs S Bohosjan |
| 1-0 | 32 | 1970 | Varna | E67 King's Indian, Fianchetto |
| 18. Shamkovich vs H Gerenski |
| ½-½ | 18 | 1970 | Varna | B50 Sicilian |
| 19. N Padevsky vs H Gerenski |
| ½-½ | 20 | 1970 | Varna | B84 Sicilian, Scheveningen |
| 20. H Gerenski vs S Garcia Martinez |
| 1-0 | 56 | 1970 | Varna | A25 English |
| 21. H Gerenski vs G Tringov |
| 0-1 | 31 | 1970 | Varna | E90 King's Indian |
| 22. N Kirov vs H Gerenski |
| ½-½ | 43 | 1970 | Varna | B92 Sicilian, Najdorf, Opocensky Variation |
| 23. H Gerenski vs G Szilagyi |
| 0-1 | 31 | 1970 | Varna | B56 Sicilian |
| 24. A Hennings vs H Gerenski |
| 1-0 | 46 | 1970 | Varna | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 25. H Gerenski vs D Dobrev |
| ½-½ | 61 | 1970 | Varna | A17 English |
Kibitzing
