| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. G Nagel vs G Porubszki |
| ½-½ | 13 | 1984 | Caorle Open | B10 Caro-Kann |
| 2. G Porubszki vs A Drei |
| 0-1 | 37 | 1984 | Caorle Open | B22 Sicilian, Alapin |
| 3. G Porubszki vs J Portenier |
| ½-½ | 23 | 1984 | Caorle Open | A06 Reti Opening |
| 4. M Negra vs G Porubszki |
| 1-0 | 63 | 1984 | Caorle Open | E92 King's Indian |
| 5. N Moyse vs G Porubszki |
| 0-1 | 34 | 1984 | Caorle Open | E29 Nimzo-Indian, Samisch |
| 6. G Porubszki vs L Ceresoli |
| 0-1 | 37 | 1984 | Caorle Open | A07 King's Indian Attack |
| 7. B Radovic vs G Porubszki |
| ½-½ | 45 | 1984 | Caorle Open | E00 Queen's Pawn Game |
| 8. G Porubszki vs M Ceccarini |
| ½-½ | 42 | 1984 | Caorle Open | A07 King's Indian Attack |
| 9. E Werndl vs G Porubszki |
| 0-1 | 46 | 1988 | Hallein Open | D87 Grunfeld, Exchange |
| 10. G Porubszki vs A Starlinger |
| ½-½ | 28 | 1988 | Hallein Open | A07 King's Indian Attack |
| 11. W Huber vs G Porubszki |
| 1-0 | 40 | 1988 | Hallein Open | B22 Sicilian, Alapin |
| 12. M Hennigan vs G Porubszki |
| 1-0 | 40 | 1990 | Budapest Spring Open | B72 Sicilian, Dragon |
| 13. G Mathe vs G Porubszki |
| 1-0 | 26 | 1991 | Werfen | B31 Sicilian, Rossolimo Variation |
| 14. Karpov vs G Porubszki |
| 1-0 | 48 | 1992 | St. Martin simul | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
| 15. G Porubszki vs Hodgson |
| 0-1 | 38 | 1992 | Biel MTO Open | B06 Robatsch |
| 16. G Porubszki vs J Fang |
| 0-1 | 38 | 1993 | Philadelphia International | C44 King's Pawn Game |
| 17. G Porubszki vs A Karklins |
| 0-1 | 30 | 1993 | Philadelphia International | B74 Sicilian, Dragon, Classical |
| 18. J Mattson vs G Porubszki |
| 0-1 | 17 | 1993 | Philadelphia International | B06 Robatsch |
| 19. J Salman vs G Porubszki |
| 1-0 | 31 | 1993 | Philadelphia International | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 20. Suba vs G Porubszki |
| 1-0 | 26 | 1995 | Bern op | E71 King's Indian, Makagonov System (5.h3) |
| 21. H Genser vs G Porubszki |
| 1-0 | 43 | 1995 | Casino Open | B36 Sicilian, Accelerated Fianchetto |
| 22. E Martinovsky vs G Porubszki |
| 1-0 | 42 | 1997 | Wch Seniors | E11 Bogo-Indian Defense |
| 23. G Porubszki vs Miles |
| 0-1 | 59 | 1997 | Bad Woerishofen op 13th | A04 Reti Opening |
| 24. G Porubszki vs A Hellmayr |
| 0-1 | 21 | 1997 | Linz Open | A14 English |
| 25. G Porubszki vs J Dornauer |
| 0-1 | 40 | 1997 | Linz Open | A48 King's Indian |
Kibitzing
