| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Juettler vs H Liebert |
| 1-0 | 26 |
1956 |
Leipzig | A88 Dutch, Leningrad, Main Variation with c6 |
| 2. Saidy vs H Liebert |
| 1-0 | 42 |
1957 |
WchT U26 04th | A07 King's Indian Attack |
| 3. Lutikov vs H Liebert |
| 1-0 | 24 |
1960 |
Bad Salzungen | B05 Alekhine's Defense, Modern |
| 4. Polugaevsky vs H Liebert |
| 1-0 | 27 |
1961 |
Rostov on Don (Russia) | A80 Dutch |
| 5. Nezhmetdinov vs H Liebert |
 | 1-0 | 38 |
1961 |
05 | C12 French, McCutcheon |
| 6. Taimanov vs H Liebert |
| 1-0 | 70 |
1961 |
Rostov | A81 Dutch |
| 7. H Liebert vs Vasiukov |
| 0-1 | 48 |
1962 |
Lasker mem | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 8. H Liebert vs Minev |
| 0-1 | 44 |
1962 |
Lasker mem | C44 King's Pawn Game |
| 9. Sliwa vs H Liebert |
| 1-0 | 39 |
1963 |
Rubinstein Mem | E22 Nimzo-Indian, Spielmann Variation |
| 10. H Liebert vs Ujtumen |
| 0-1 | 39 |
1964 |
Tel-Aviv olm fB | C82 Ruy Lopez, Open |
| 11. H Liebert vs Kavalek |
| 0-1 | 38 |
1965 |
Leipzig Inter 1st | A45 Queen's Pawn Game |
| 12. H Liebert vs Uhlmann |
 | 0-1 | 35 |
1966 |
Zinnowitz | D01 Richter-Veresov Attack |
| 13. H Liebert vs Sliwa |
| 0-1 | 41 |
1966 |
Rubinstein mem 04th | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 14. Antoshin vs H Liebert |
| 1-0 | 34 |
1966 |
DSV-Turnier 03rd | E12 Queen's Indian |
| 15. W Schmidt vs H Liebert |
| 1-0 | 51 |
1967 |
Rubinstein mem | B48 Sicilian, Taimanov Variation |
| 16. Hort vs H Liebert |
| 1-0 | 59 |
1967 |
Polanica Zdroj | E17 Queen's Indian |
| 17. Spassky vs H Liebert |
| 1-0 | 23 |
1967 |
Sochi | E30 Nimzo-Indian, Leningrad |
| 18. A Zaitsev vs H Liebert |
| 1-0 | 33 |
1967 |
Memorial M.Chigorin | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 19. H Liebert vs L Shamkovich |
| 0-1 | 61 |
1967 |
Memorial M.Chigorin | B41 Sicilian, Kan |
| 20. H Liebert vs Kotov |
 | 0-1 | 74 |
1967 |
Sochi | B06 Robatsch |
| 21. H Liebert vs Parma |
| 0-1 | 47 |
1968 |
Bucharest (Romania) | A14 English |
| 22. Boleslavsky vs H Liebert |
| 1-0 | 44 |
1969 |
DDR-BLR m | C93 Ruy Lopez, Closed, Smyslov Defense |
| 23. Petrosian vs H Liebert |
 | 1-0 | 49 |
1970 |
Siegen | A29 English, Four Knights, Kingside Fianchetto |
| 24. Geller vs H Liebert |
 | 1-0 | 47 |
1970 |
Kapfenberg | B07 Pirc |
| 25. Julio Bolbochan vs H Liebert |
| 1-0 | 40 |
1970 |
Siegen (Germany) | E91 King's Indian |