| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Kummer vs B Komnenic |
| 0-1 | 53 | 1986 | Balatonbereny Open | A64 Benoni, Fianchetto, 11...Re8 |
| 2. H Kummer vs P Szegedi |
| ½-½ | 35 | 1986 | Balatonbereny Open | E91 King's Indian |
| 3. S Conquest vs H Kummer |
| 1-0 | 99 | 1986 | Commonwealth Championship | D35 Queen's Gambit Declined |
| 4. V Moiseev vs H Kummer |
| ½-½ | 19 | 1991 | Oberwart Open | B29 Sicilian, Nimzovich-Rubinstein |
| 5. H Kummer vs R Mainka |
| 0-1 | 38 | 1991 | Oberwart Open | A57 Benko Gambit |
| 6. Z Basagic vs H Kummer |
| 1-0 | 56 | 1991 | Oberwart Open | B29 Sicilian, Nimzovich-Rubinstein |
| 7. F Schuh vs H Kummer |
| 0-1 | 24 | 1991 | Austrian Championship | A46 Queen's Pawn Game |
| 8. H Kummer vs E Brestian |
| ½-½ | 45 | 1991 | Austrian Championship | D55 Queen's Gambit Declined |
| 9. M Schlosser vs H Kummer |
| 1-0 | 36 | 1991 | Austrian Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 10. H Kummer vs R Topakian |
| ½-½ | 53 | 1991 | AUT-ch+ | D91 Grunfeld, 5.Bg5 |
| 11. A Fauland vs H Kummer |
| 1-0 | 34 | 1991 | Austrian Championship | A13 English |
| 12. H Kummer vs E Weinzettl |
| 0-1 | 43 | 1991 | Austrian Championship | D81 Grunfeld, Russian Variation |
| 13. A Postl vs H Kummer |
| 1-0 | 45 | 1991 | Austrian Championship | D02 Queen's Pawn Game |
| 14. H Kummer vs H Baumgartner |
| 0-1 | 37 | 1991 | Austrian Championship | D52 Queen's Gambit Declined |
| 15. A Dueckstein vs H Kummer |
| 1-0 | 51 | 1991 | Austrian Championship | B23 Sicilian, Closed |
| 16. F Hoelzl vs H Kummer |
| 1-0 | 48 | 1991 | Austrian Championship | D02 Queen's Pawn Game |
| 17. H Kummer vs R Lendwai |
| ½-½ | 43 | 1991 | Austrian Championship | E17 Queen's Indian |
| 18. J Sinowjew vs H Kummer |
| ½-½ | 27 | 1991 | Austrian Championship | B29 Sicilian, Nimzovich-Rubinstein |
| 19. H Kummer vs W Wittmann |
| 0-1 | 64 | 1991 | Austrian Championship | A45 Queen's Pawn Game |
| 20. M Wach vs H Kummer |
| 1-0 | 25 | 1991 | Austrian Championship | B00 Uncommon King's Pawn Opening |
| 21. H Kummer vs G Schroll |
| ½-½ | 5 | 1991 | Austrian Championship | E12 Queen's Indian |
| 22. H Kummer vs R Polzin |
| 0-1 | 35 | 1992 | Oberwart Open | E11 Bogo-Indian Defense |
| 23. H Kummer vs E Agrest |
| 0-1 | 40 | 1992 | Oberwart Open | A41 Queen's Pawn Game (with ...d6) |
| 24. H Kummer vs B Vigh |
| 0-1 | 70 | 1992 | Oberwart Open | E75 King's Indian, Averbakh, Main line |
| 25. H Kummer vs R Kosc |
| ½-½ | 20 | 1993 | Velden Open | B32 Sicilian |
Kibitzing
