| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Hertneck vs Mancuso |
| 1-0 | 30 |
1983 |
Ravenna-J | E76 King's Indian, Four Pawns Attack |
| 2. Hertneck vs Gheorghiu |
| 0-1 | 42 |
1984 |
Hamburg op | E91 King's Indian |
| 3. Hertneck vs J Paavilainen |
| 1-0 | 38 |
1985 |
Nordic-chT | E84 King's Indian, Samisch, Panno Main line |
| 4. Hertneck vs H Kestler |
| 1-0 | 32 |
1985 |
Bundesliga 8586 | E60 King's Indian Defense |
| 5. Hertneck vs Joachim Sieglen |
| 1-0 | 39 |
1987 |
Bundesliga 8788 | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 6. Hertneck vs F Dietze |
| 1-0 | 42 |
1987 |
Bundesliga 8788 | E91 King's Indian |
| 7. Hertneck vs J Hickl |
| 1-0 | 35 |
1987 |
Altensteig | E94 King's Indian, Orthodox |
| 8. Hertneck vs J Hickl |
| 0-1 | 42 |
1988 |
Munich | E70 King's Indian |
| 9. Hertneck vs Gerhard Reis |
| 1-0 | 39 |
1988 |
Bundesliga 8889 | E94 King's Indian, Orthodox |
| 10. Hertneck vs Vogt |
| 1-0 | 42 |
1988 |
DDR-FRG | E94 King's Indian, Orthodox |
| 11. Hertneck vs Petursson |
| ½-½ | 60 |
1989 |
Nordic-tt | E91 King's Indian |
| 12. Hertneck vs Schmid Guenter |
| 1-0 | 61 |
1989 |
Bundesliga 8990 | E97 King's Indian |
| 13. Hertneck vs F Berend |
| 1-0 | 34 |
1990 |
Mitropa-Cup | E91 King's Indian |
| 14. Hertneck vs Nunn |
| 1-0 | 39 |
1990 |
Nuremberg rapid | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 15. Hertneck vs L Brunner |
| 1-0 | 58 |
1990 |
Nuremberg rapid | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 16. Hertneck vs Kupreichik |
| 0-1 | 28 |
1990 |
Badenweiler | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 17. Hertneck vs M Pavlovic |
| ½-½ | 18 |
1990 |
Mitropa-Cup | E94 King's Indian, Orthodox |
| 18. Hertneck vs Judit Polgar |
| 1-0 | 39 |
1991 |
Munchen | E97 King's Indian |
| 19. Hertneck vs Vogt |
| ½-½ | 36 |
1991 |
EUCup Bayern-Porz | E94 King's Indian, Orthodox |
| 20. Hertneck vs P H Nielsen |
| 0-1 | 45 |
1991 |
Bad Lauterberg | E91 King's Indian |
| 21. Hertneck vs R Kassebaum |
| 1-0 | 52 |
1991 |
Bundesliga 9192 | E94 King's Indian, Orthodox |
| 22. Hertneck vs Wahls |
| 1-0 | 39 |
1991 |
Munich | E97 King's Indian |
| 23. Hertneck vs Dolmatov |
| ½-½ | 44 |
1992 |
Tilburg | E92 King's Indian |
| 24. Hertneck vs Wahls |
| 1-0 | 60 |
1992 |
Munich | E97 King's Indian |
| 25. Hertneck vs Piket |
| 0-1 | 39 |
1992 |
Manila (ol) 55/645 | E97 King's Indian |
