| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P B Petersen vs Kupreichik |
| 0-1 | 32 |
1993 |
Copenhagen | B20 Sicilian |
| 2. P B Petersen vs A Karlsen |
| 1-0 | 25 |
1993 |
Copenhagen op 15th | C90 Ruy Lopez, Closed |
| 3. P B Petersen vs Thormod Furu |
| 1-0 | 33 |
2001 |
Politiken Cup | B01 Scandinavian |
| 4. B Laubsch vs P B Petersen |
| 1-0 | 57 |
2001 |
Politiken Cup | B07 Pirc |
| 5. P B Petersen vs S Brynell |
| ½-½ | 55 |
2001 |
Politiken Cup | C02 French, Advance |
| 6. P B Petersen vs H Nielsen |
| 1-0 | 58 |
2001 |
Politiken Cup | B32 Sicilian |
| 7. F Preuss vs P B Petersen |
| 0-1 | 32 |
2001 |
Politiken Cup | A02 Bird's Opening |
| 8. O Hassan vs P B Petersen |
| ½-½ | 28 |
2001 |
Politiken Cup | B07 Pirc |
| 9. P B Petersen vs D Palo |
| 0-1 | 66 |
2001 |
Politiken Cup | B83 Sicilian |
| 10. C Christensen vs P B Petersen |
| ½-½ | 29 |
2001 |
Politiken Cup | B26 Sicilian, Closed, 6.Be3 |
| 11. M L Andersen vs P B Petersen |
| 0-1 | 30 |
2001 |
Politiken Cup | B48 Sicilian, Taimanov Variation |
| 12. P B Petersen vs D Nielsen |
| 1-0 | 35 |
2001 |
Politiken Cup | B58 Sicilian |
| 13. P B Petersen vs A Aaberg |
 | 0-1 | 35 |
2001 |
Politiken Cup | B33 Sicilian |
| 14. J Kristiansen vs P B Petersen |
| 1-0 | 27 |
2006 |
Politiken Cup | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 15. P B Petersen vs B Brinck-Claussen |
| ½-½ | 29 |
2006 |
Politiken Cup | C00 French Defense |
| 16. P B Petersen vs P Andreasen |
| ½-½ | 21 |
2006 |
Politiken Cup | B06 Robatsch |
| 17. L M Larsen vs P B Petersen |
| 0-1 | 35 |
2006 |
Politiken Cup | B22 Sicilian, Alapin |
| 18. M Bergvoll vs P B Petersen |
| 0-1 | 32 |
2006 |
Politiken Cup | B48 Sicilian, Taimanov Variation |
| 19. P B Petersen vs D Omarsson |
| 1-0 | 46 |
2006 |
Politiken Cup | B74 Sicilian, Dragon, Classical |
| 20. P B Petersen vs F Preuss |
| ½-½ | 47 |
2006 |
Politiken Cup | C41 Philidor Defense |
| 21. J Adamski vs P B Petersen |
| 1-0 | 31 |
2006 |
Politiken Cup | A30 English, Symmetrical |
| 22. R E Andersen vs P B Petersen |
 | 0-1 | 24 |
2007 |
Politiken Cup | B22 Sicilian, Alapin |
| 23. F Preuss vs P B Petersen |
| ½-½ | 21 |
2007 |
Politiken Cup | B23 Sicilian, Closed |
| 24. P B Petersen vs A Rosenkilde |
| 0-1 | 39 |
2007 |
Politiken Cup | B23 Sicilian, Closed |
| 25. P B Petersen vs N Petersen |
| ½-½ | 43 |
2007 |
Politiken Cup | B46 Sicilian, Taimanov Variation |