| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Clever vs T Stock |
| 0-1 | 23 | 1989 | CIF PV email | E82 King's Indian, Samisch, double Fianchetto Variation |
| 2. H Clever vs B Bogle |
| 0-1 | 37 | 1990 | ICCF-Cup8/9 V080 corr | A45 Queen's Pawn Game |
| 3. H Clever vs L Kuehner |
| 0-1 | 18 | 1990 | ICCF-Cup8/9 V080 corr | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 4. J Bahlo vs H Clever |
| 0-1 | 46 | 1990 | ICCF-Cup8/9 V080 corr | A07 King's Indian Attack |
| 5. H Clever vs A Delhoste |
| 1-0 | 16 | 1990 | ICCF-Cup8/9 V080 corr | D44 Queen's Gambit Declined Semi-Slav |
| 6. H Clever vs M Kopec |
| 0-1 | 38 | 1990 | ICCF-Cup8/9 V080 corr | A31 English, Symmetrical, Benoni Formation |
| 7. H Clever vs O Walther |
| 0-1 | 24 | 1990 | ICCF-Cup8/9 V080 corr | E97 King's Indian |
| 8. S Dresling vs H Clever |
| 0-1 | 36 | 1990 | ICCF-Cup8/9 V080 corr | B12 Caro-Kann Defense |
| 9. M Kolanowski vs H Clever |
| 1-0 | 35 | 1990 | ICCF-Cup8/9 V080 corr | C44 King's Pawn Game |
| 10. W Krueger vs H Clever |
| 0-1 | 30 | 1990 | ICCF-Cup8/9 V080 corr | B10 Caro-Kann |
| 11. H Clever vs M Schirmer |
| 1-0 | 37 | 1993 | corr | A52 Budapest Gambit |
| 12. H Clever vs V Unglaub |
| ½-½ | 72 | 2000 | EU-ch M1164 corr | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 13. H Polsterer vs H Clever |
| 0-1 | 53 | 2000 | EU-ch64 sf05 corr | C92 Ruy Lopez, Closed |
| 14. A Sonzogno vs H Clever |
| ½-½ | 40 | 2000 | EU-ch64 sf05 corr | E12 Queen's Indian |
| 15. H Clever vs T Schmidt |
| 1-0 | 24 | 2000 | EU-ch64 sf05 corr | B90 Sicilian, Najdorf |
| 16. H Clever vs S G Orlov |
| 1-0 | 25 | 2000 | EU-ch64 sf05 corr | C92 Ruy Lopez, Closed |
| 17. H Clever vs O Moise |
| ½-½ | 29 | 2000 | EU-ch64 sf05 corr | B30 Sicilian |
| 18. M Shablinsky vs H Clever |
| 0-1 | 49 | 2000 | EU-ch64 sf05 corr | C78 Ruy Lopez |
| 19. H Clever vs Z Krecak |
| ½-½ | 58 | 2000 | EU-ch64 sf05 corr | B04 Alekhine's Defense, Modern |
| 20. H Clever vs G Kaiser |
| 1-0 | 46 | 2000 | EU-ch M1164 corr | D45 Queen's Gambit Declined Semi-Slav |
| 21. H Clever vs J Janssen |
| 1-0 | 31 | 2000 | EU-ch64 sf05 corr | B84 Sicilian, Scheveningen |
| 22. H Clever vs R Holmberg |
| 0-1 | 45 | 2000 | EU-ch64 sf05 corr | C14 French, Classical |
| 23. H Clever vs A Heuzeveldt |
| 1-0 | 12 | 2000 | EU-ch M1164 corr | D06 Queen's Gambit Declined |
| 24. H Clever vs F Geider |
| 0-1 | 56 | 2000 | EU-ch64 sf05 corr | C65 Ruy Lopez, Berlin Defense |
| 25. H Borchers vs H Clever |
| ½-½ | 53 | 2000 | EU-ch64 sf05 corr | C93 Ruy Lopez, Closed, Smyslov Defense |
Kibitzing
