| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H Krieger vs N Gelbmann |
| 1-0 | 24 | 1993 | Werfen op-A | B93 Sicilian, Najdorf, 6.f4 |
| 2. N Gelbmann vs Z Kawaciukova |
| 1-0 | 25 | 1994 | Vienna op | B42 Sicilian, Kan |
| 3. H Wolte vs N Gelbmann |
| 0-1 | 26 | 1994 | AUT-ch U18 | A03 Bird's Opening |
| 4. N Gelbmann vs P Mayerhofer |
| 0-1 | 47 | 1994 | AUT-ch U18 | B44 Sicilian |
| 5. N Gelbmann vs J Kraschl |
| 0-1 | 26 | 1994 | AUT-ch U18 | B82 Sicilian, Scheveningen |
| 6. K Neumeier vs N Gelbmann |
| 1-0 | 46 | 1995 | Werfen op-A | B25 Sicilian, Closed |
| 7. N Gelbmann vs M Womacka |
| 0-1 | 32 | 1995 | Werfen op-A | B53 Sicilian |
| 8. P Staller vs N Gelbmann |
| ½-½ | 21 | 1995 | Werfen op-A | E62 King's Indian, Fianchetto |
| 9. C Weiss vs N Gelbmann |
| ½-½ | 3 | 1995 | Werfen op-A | A46 Queen's Pawn Game |
| 10. N Gelbmann vs S Ziger |
| 1-0 | 18 | 1995 | Werfen op-A | C15 French, Winawer |
| 11. L Neckar vs N Gelbmann |
| 0-1 | 50 | 1995 | Werfen op-A | E62 King's Indian, Fianchetto |
| 12. N Gelbmann vs S D Jovanovic |
| 1-0 | 33 | 1995 | Werfen op-A | B57 Sicilian |
| 13. I Piven vs N Gelbmann |
| ½-½ | 53 | 1995 | Werfen op-A | E62 King's Indian, Fianchetto |
| 14. V Zavoronkov vs N Gelbmann |
| 1-0 | 35 | 1996 | EU-ch U20 | B55 Sicilian, Prins Variation, Venice Attack |
| 15. R Antoniewski vs N Gelbmann |
| 1-0 | 37 | 1996 | EU-ch U20 | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. N Gelbmann vs N Sirigos |
| 1-0 | 46 | 1996 | EU-ch U20 | C84 Ruy Lopez, Closed |
| 17. P Soln vs N Gelbmann |
| 1-0 | 36 | 1996 | EU-ch U20 | E77 King's Indian |
| 18. N Gelbmann vs Z Gyimesi |
| ½-½ | 26 | 1996 | EU-ch U20 | C80 Ruy Lopez, Open |
| 19. N Gelbmann vs H Proehl |
| ½-½ | 41 | 1996 | EU-ch U20 | C11 French |
| 20. J Petrov vs N Gelbmann |
| ½-½ | 64 | 1996 | EU-ch U20 | E63 King's Indian, Fianchetto, Panno Variation |
| 21. N Gelbmann vs A Avdic |
| 1-0 | 55 | 1996 | EU-ch U20 | B90 Sicilian, Najdorf |
| 22. A Belozerov vs N Gelbmann |
| 1-0 | 26 | 1996 | EU-ch U20 | B53 Sicilian |
| 23. N Gelbmann vs A Barva |
| 0-1 | 30 | 1996 | EU-ch U20 | C11 French |
| 24. F Hager vs N Gelbmann |
| 1-0 | 33 | 1997 | AUT-chT 9697 | E73 King's Indian |
| 25. N Gelbmann vs K Fahrner |
| 0-1 | 24 | 1997 | AUT-chT 9697 | B02 Alekhine's Defense |
Kibitzing
