| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Lasinskas vs B Petersson |
| 1-0 | 37 | 2012 | Reykjavik Open | D43 Queen's Gambit Declined Semi-Slav |
| 2. B Petersson vs S Sigurjonsson |
| 0-1 | 39 | 2012 | Reykjavik Open | B00 Uncommon King's Pawn Opening |
| 3. A O Johansen vs B Petersson |
| 1-0 | 53 | 2012 | Reykjavik Open | D12 Queen's Gambit Declined Slav |
| 4. B Petersson vs B Kristbergsson |
| 1-0 | 20 | 2012 | Reykjavik Open | B46 Sicilian, Taimanov Variation |
| 5. G Gunnlaugsson vs B Petersson |
| 1-0 | 27 | 2012 | Reykjavik Open | C84 Ruy Lopez, Closed |
| 6. B Petersson vs M Edakina |
| 1-0 | 24 | 2012 | Reykjavik Open | C47 Four Knights |
| 7. O Jonsson vs B Petersson |
| 1-0 | 45 | 2012 | Reykjavik Open | C55 Two Knights Defense |
| 8. B Petersson vs O Maggason |
| ½-½ | 36 | 2012 | Reykjavik Open | C55 Two Knights Defense |
| 9. E de Winter vs B Petersson |
| 1-0 | 53 | 2012 | Reykjavik Open | A28 English |
| 10. B Petersson vs Y Wang |
| 0-1 | 68 | 2013 | Reykjavik Open | C01 French, Exchange |
| 11. B Petersson vs E Kristinardottir |
| 1-0 | 49 | 2014 | Reykjavik Open | B15 Caro-Kann |
| 12. J K Thorgeirsson vs B Petersson |
| 1-0 | 40 | 2014 | Reykjavik Open | B41 Sicilian, Kan |
| 13. O Johannesson vs B Petersson |
| 1-0 | 37 | 2014 | Reykjavik Open | D15 Queen's Gambit Declined Slav |
| 14. B Petersson vs O Haraldsson |
| 1-0 | 42 | 2014 | Reykjavik Open | B80 Sicilian, Scheveningen |
| 15. S Bergsson vs B Petersson |
| 1-0 | 23 | 2014 | Reykjavik Open | B43 Sicilian, Kan, 5.Nc3 |
| 16. B Petersson vs M Murray |
| 1-0 | 26 | 2014 | Reykjavik Open | B00 Uncommon King's Pawn Opening |
| 17. M Karlsson vs B Petersson |
| 1-0 | 42 | 2014 | Reykjavik Open | A11 English, Caro-Kann Defensive System |
| 18. B Petersson vs P Michalowski |
| 0-1 | 26 | 2014 | Reykjavik Open | B90 Sicilian, Najdorf |
| 19. A Tari vs B Petersson |
| 1-0 | 26 | 2015 | Reykjavik Open | B43 Sicilian, Kan, 5.Nc3 |
| 20. B Petersson vs F Steinthorsson |
| ½-½ | 53 | 2015 | Reykjavik Open | D02 Queen's Pawn Game |
| 21. H Halldorsson vs B Petersson |
| 0-1 | 27 | 2015 | Reykjavik Open | D10 Queen's Gambit Declined Slav |
| 22. B Petersson vs P Haugli |
| ½-½ | 41 | 2015 | Reykjavik Open | B23 Sicilian, Closed |
| 23. D Haessel vs B Petersson |
| 1-0 | 37 | 2015 | Reykjavik Open | D11 Queen's Gambit Declined Slav |
| 24. B Petersson vs G K Lee |
| 1-0 | 28 | 2015 | Reykjavik Open | C54 Giuoco Piano |
| 25. E Quillien vs B Petersson |
| 1-0 | 59 | 2015 | Reykjavik Open | A11 English, Caro-Kann Defensive System |
Kibitzing
