| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Filosof vs P Andrason |
| 1-0 | 23 |
2009 |
Reykjavik Open | A07 King's Indian Attack |
| 2. P Andrason vs S Palsson |
 | 0-1 | 36 |
2009 |
Reykjavik Open | B90 Sicilian, Najdorf |
| 3. O Jonsson vs P Andrason |
| 1-0 | 24 |
2009 |
Reykjavik Open | B77 Sicilian, Dragon, Yugoslav Attack |
| 4. P Andrason vs B Sigurdsson |
| 1-0 | 28 |
2009 |
Reykjavik Open | B30 Sicilian |
| 5. P Andrason vs S Gudmundsson |
| 0-1 | 36 |
2009 |
Reykjavik Open | A58 Benko Gambit |
| 6. U Gasanova vs P Andrason |
| ½-½ | 67 |
2009 |
Reykjavik Open | B27 Sicilian |
| 7. J Gunnarsson vs P Andrason |
| 1-0 | 22 |
2009 |
Reykjavik Open | B31 Sicilian, Rossolimo Variation |
| 8. P Andrason vs B J Kristinsson |
| 0-1 | 30 |
2009 |
Reykjavik Open | D10 Queen's Gambit Declined Slav |
| 9. S Sigurjonsson vs P Andrason |
| 1-0 | 25 |
2009 |
Reykjavik Open | B23 Sicilian, Closed |
| 10. H Gardarsson vs P Andrason |
| 1-0 | 79 |
2010 |
Reykjavik Open | D43 Queen's Gambit Declined Semi-Slav |
| 11. P Andrason vs S Palsson |
 | ½-½ | 38 |
2010 |
Reykjavik Open | A00 Uncommon Opening |
| 12. C Andersson vs P Andrason |
| 1-0 | 45 |
2010 |
Reykjavik Open | B12 Caro-Kann Defense |
| 13. S Helgadottir vs P Andrason |
| 0-1 | 35 |
2010 |
Reykjavik Open | D35 Queen's Gambit Declined |
| 14. P Andrason vs O Guttulsrud |
| ½-½ | 41 |
2010 |
Reykjavik Open | E64 King's Indian, Fianchetto, Yugoslav System |
| 15. P Andrason vs T Botheim |
| 0-1 | 45 |
2010 |
Reykjavik Open | E63 King's Indian, Fianchetto, Panno Variation |
| 16. T Thorsteinsson vs P Andrason |
| 1-0 | 23 |
2010 |
Reykjavik Open | E12 Queen's Indian |
| 17. P Andrason vs E Sigurdarson |
| ½-½ | 32 |
2010 |
Reykjavik Open | D32 Queen's Gambit Declined, Tarrasch |
| 18. S Sigurdsson vs P Andrason |
| 1-0 | 29 |
2010 |
Reykjavik Open | C64 Ruy Lopez, Classical |
| 19. J W Knudsen vs P Andrason |
| 1-0 | 33 |
2011 |
Reykjavik Open | C00 French Defense |
| 20. P Andrason vs K Kristinsson |
| ½-½ | 33 |
2011 |
Reykjavik Open | A07 King's Indian Attack |
| 21. P Andrason vs Leo Van Dongen |
| 1-0 | 45 |
2011 |
Reykjavik Open | A56 Benoni Defense |
| 22. G B Kristinsson vs P Andrason |
| 1-0 | 22 |
2011 |
Reykjavik Open | D46 Queen's Gambit Declined Semi-Slav |
| 23. K Johannesson vs P Andrason |
| ½-½ | 55 |
2011 |
Reykjavik Open | A04 Reti Opening |
| 24. P Andrason vs J Ragnarsson |
| 0-1 | 16 |
2011 |
Reykjavik Open | D00 Queen's Pawn Game |
| 25. P Andrason vs O Duchrow |
| 0-1 | 54 |
2011 |
Reykjavik Open | A80 Dutch |