| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Gumula vs J Tomczak |
| 0-1 | 53 | 2001 | POL-ch U12 | B23 Sicilian, Closed |
| 2. W Moranda vs D Gumula |
| 1-0 | 20 | 2001 | POL-chT U20 2nd div | A57 Benko Gambit |
| 3. D Gumula vs G Danner |
| 0-1 | 34 | 2001 | Schwarzach Open A | A87 Dutch, Leningrad, Main Variation |
| 4. D Giesen vs D Gumula |
| 1-0 | 47 | 2001 | Schwarzach Open A | B72 Sicilian, Dragon |
| 5. D Gumula vs F Loidl |
| 1-0 | 31 | 2001 | Schwarzach Open A | E75 King's Indian, Averbakh, Main line |
| 6. D Gumula vs W Riedel |
| ½-½ | 38 | 2001 | Schwarzach Open A | E73 King's Indian |
| 7. A Maier vs D Gumula |
| 1-0 | 31 | 2001 | Schwarzach Open A | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 8. S Zilka vs D Gumula |
| ½-½ | 42 | 2001 | Trinec op | C15 French, Winawer |
| 9. H Grabher vs D Gumula |
| 1-0 | 30 | 2002 | Schwarzach op-A | B70 Sicilian, Dragon Variation |
| 10. D Gumula vs V Meijers |
| 0-1 | 47 | 2002 | 17. Schwarzacher Open A | D37 Queen's Gambit Declined |
| 11. D Gumula vs T Warakomski |
| 0-1 | 61 | 2003 | POL-ch U14 | E11 Bogo-Indian Defense |
| 12. D Gumula vs V Malaniuk |
| 0-1 | 25 | 2005 | Mielo op | C55 Two Knights Defense |
| 13. K Pinkas vs D Gumula |
| ½-½ | 15 | 2005 | Mielo op | C18 French, Winawer |
| 14. T Warakomski vs D Gumula |
| 1-0 | 53 | 2005 | POL-chT 1st League U18 | C07 French, Tarrasch |
| 15. D Gumula vs J Tomczak |
| ½-½ | 21 | 2005 | POL-chT 1st League U18 | B01 Scandinavian |
| 16. Z Pakleza vs D Gumula |
| 1-0 | 41 | 2005 | Polanica Zdroj op-A 41st | B06 Robatsch |
| 17. J Zawadzka vs D Gumula |
| 0-1 | 40 | 2005 | Polanica Zdroj op-A 41st | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 18. D Gumula vs D Szoen |
| 0-1 | 31 | 2005 | Polanica Zdroj op-A 41st | C05 French, Tarrasch |
| 19. D Gumula vs T Warakomski |
| 1-0 | 57 | 2005 | Polanica Zdroj op-A 41st | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 20. T Markowski vs D Gumula |
| ½-½ | 40 | 2005 | POL-chT | A06 Reti Opening |
| 21. D Gumula vs J Bernasek |
| 0-1 | 29 | 2005 | Litomysl op | B50 Sicilian |
| 22. D Szoen vs D Gumula |
| ½-½ | 102 | 2005 | Litomysl op | A52 Budapest Gambit |
| 23. T Warakomski vs D Gumula |
| 1-0 | 71 | 2006 | POL-ch U18 | C05 French, Tarrasch |
| 24. D Gumula vs J Tomczak |
| ½-½ | 37 | 2006 | Barlinek Lasker mem-A | B01 Scandinavian |
| 25. D Gumula vs S Sulskis |
| ½-½ | 20 | 2006 | Pardubice Open-A | C45 Scotch Game |
Kibitzing
