| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Andreasen vs Topalov |
| ½-½ | 57 |
1991 |
Politiken Cup | E92 King's Indian |
| 2. P Andreasen vs Suba |
| 0-1 | 31 |
1991 |
Alborg | A15 English |
| 3. P Andreasen vs H Falberg |
 | 1-0 | 60 |
1992 |
Aalborg op | D52 Queen's Gambit Declined |
| 4. Balashov vs P Andreasen |
| ½-½ | 67 |
1993 |
Alborg | B10 Caro-Kann |
| 5. J Schultz-Pedersen vs P Andreasen |
| ½-½ | 4 |
2000 |
Politiken Cup | B06 Robatsch |
| 6. P Andreasen vs E Mortensen |
| 0-1 | 47 |
2000 |
Politiken Cup | A48 King's Indian |
| 7. N S Nilsson vs P Andreasen |
| 0-1 | 80 |
2000 |
Politiken Cup | B06 Robatsch |
| 8. P Andreasen vs T J Andersen |
| ½-½ | 50 |
2000 |
Politiken Cup | A15 English |
| 9. A Kveinys vs P Andreasen |
| 1-0 | 19 |
2005 |
Gausdal Classics | A44 Old Benoni Defense |
| 10. J P Haapasalo vs P Andreasen |
| ½-½ | 8 |
2006 |
Politiken Cup | B06 Robatsch |
| 11. P Andreasen vs J Christensen |
| 1-0 | 26 |
2006 |
Politiken Cup | A07 King's Indian Attack |
| 12. Short vs P Andreasen |
| 1-0 | 39 |
2006 |
Politiken Cup | B06 Robatsch |
| 13. P B Petersen vs P Andreasen |
| ½-½ | 21 |
2006 |
Politiken Cup | B06 Robatsch |
| 14. P Andreasen vs D Quinn |
| 1-0 | 39 |
2006 |
Politiken Cup | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 15. P Andreasen vs C Holst |
| ½-½ | 44 |
2006 |
Politiken Cup | B28 Sicilian, O'Kelly Variation |
| 16. P Grove vs P Andreasen |
 | 0-1 | 22 |
2006 |
Politiken Cup | B06 Robatsch |
| 17. P Andreasen vs P Roder |
| ½-½ | 38 |
2007 |
Politiken Cup | A07 King's Indian Attack |
| 18. P Andreasen vs A Schmied |
| 1-0 | 40 |
2007 |
Politiken Cup | E64 King's Indian, Fianchetto, Yugoslav System |
| 19. J Hirneise vs P Andreasen |
| 0-1 | 26 |
2007 |
Politiken Cup | B06 Robatsch |
| 20. P Andreasen vs E Nordin |
| 1-0 | 25 |
2007 |
Politiken Cup | A42 Modern Defense, Averbakh System |
| 21. P Andreasen vs J Thomassen |
| 0-1 | 64 |
2007 |
Politiken Cup | E05 Catalan, Open, Classical line |
| 22. A Borg vs P Andreasen |
| ½-½ | 5 |
2007 |
Politiken Cup | D02 Queen's Pawn Game |
| 23. T Skovgaard vs P Andreasen |
| 0-1 | 45 |
2007 |
Politiken Cup | B06 Robatsch |
| 24. P Andreasen vs T Struch |
| 0-1 | 47 |
2007 |
Politiken Cup | A30 English, Symmetrical |
| 25. V Cmilyte vs P Andreasen |
| 1-0 | 40 |
2007 |
Politiken Cup | A42 Modern Defense, Averbakh System |