| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Petek vs L Ptacnikova |
| 1-0 | 9 |
1995 |
It (open) (juniors) | A27 English, Three Knights System |
| 2. B Ivanovic vs L Ptacnikova |
| 1-0 | 57 |
1996 |
Ch Brazil | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 3. L Ptacnikova vs Khalifman |
| 0-1 | 37 |
1997 |
Viking op | B42 Sicilian, Kan |
| 4. Navara vs L Ptacnikova |
| 0-1 | 57 |
1997 |
CZE-chT 9798 | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 5. L Ptacnikova vs Navara |
| ½-½ | 75 |
1998 |
Energy Cup | B56 Sicilian |
| 6. Navara vs L Ptacnikova |
| ½-½ | 33 |
2000 |
Olomouc Mipap Cup | B40 Sicilian |
| 7. L Ptacnikova vs B Thorsteinsson |
| 0-1 | 75 |
2001 |
Jonsson Mem Open | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 8. L Ptacnikova vs Stefansson |
| ½-½ | 32 |
2001 |
ch-ISL | B56 Sicilian |
| 9. L Ptacnikova vs G Valgardsson |
| 1-0 | 53 |
2001 |
Jonsson Mem Open | C05 French, Tarrasch |
| 10. L Ptacnikova vs T Thorhallsson |
| ½-½ | 39 |
2001 |
ch-ISL | B32 Sicilian |
| 11. L Ptacnikova vs G Kjartansson |
| 1-0 | 42 |
2001 |
Jonsson Mem Open | A25 English |
| 12. S Kristjansson vs L Ptacnikova |
 | ½-½ | 67 |
2001 |
ch-ISL | B31 Sicilian, Rossolimo Variation |
| 13. Hector vs L Ptacnikova |
| 1-0 | 34 |
2001 |
Jonsson Mem Open | B32 Sicilian |
| 14. H Baldursson vs L Ptacnikova |
| 1-0 | 72 |
2001 |
ISL-chT 2000/01 | B32 Sicilian |
| 15. J Vidarsson vs L Ptacnikova |
| 1-0 | 32 |
2001 |
ch-ISL | B31 Sicilian, Rossolimo Variation |
| 16. G Palmason vs L Ptacnikova |
| 1-0 | 86 |
2001 |
Jonsson Mem Open | A46 Queen's Pawn Game |
| 17. S Bjornsson vs L Ptacnikova |
| ½-½ | 51 |
2001 |
ch-ISL | E11 Bogo-Indian Defense |
| 18. L Ptacnikova vs D Arngrimsson |
| 1-0 | 78 |
2001 |
Jonsson Mem Open | A14 English |
| 19. L Ptacnikova vs A Gunnarsson |
| 1-0 | 52 |
2001 |
ch-ISL | C95 Ruy Lopez, Closed, Breyer |
| 20. L Ptacnikova vs S Steindorsson |
| ½-½ | 64 |
2001 |
Jonsson Mem Open | B90 Sicilian, Najdorf |
| 21. L Ptacnikova vs B Thorfinnsson |
| 0-1 | 77 |
2001 |
ch-ISL | B56 Sicilian |
| 22. O Simonsen vs L Ptacnikova |
| 1-0 | 43 |
2001 |
Jonsson Mem Open | B31 Sicilian, Rossolimo Variation |
| 23. J Gunnarsson vs L Ptacnikova |
| 1-0 | 37 |
2001 |
ch-ISL | B45 Sicilian, Taimanov |
| 24. F Olafsson vs L Ptacnikova |
| 1-0 | 38 |
2001 |
Jonsson Mem Open | A20 English |
| 25. B Thorfinnsson vs L Ptacnikova |
| 1-0 | 38 |
2001 |
ch-ISL | A45 Queen's Pawn Game |