| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. T Ronsted vs L Petersen |
| ½-½ | 51 | 1999 | Politiken Cup | D52 Queen's Gambit Declined |
| 27. M Poulsen vs L Petersen |
| 1-0 | 28 | 1999 | Politiken Cup | A00 Uncommon Opening |
| 28. L Petersen vs H Dalso |
| ½-½ | 40 | 1999 | Politiken Cup | A48 King's Indian |
| 29. J K Jensen vs L Petersen |
| ½-½ | 46 | 1999 | Politiken Cup | B12 Caro-Kann Defense |
| 30. D B Jensen vs L Petersen |
| 0-1 | 37 | 2000 | Politiken Cup | A34 English, Symmetrical |
| 31. L Petersen vs C Hoi |
| 0-1 | 23 | 2000 | Politiken Cup | A48 King's Indian |
| 32. N P Nielsen vs L Petersen |
| 0-1 | 32 | 2000 | Politiken Cup | B01 Scandinavian |
| 33. L Petersen vs J A Nilssen |
| 0-1 | 31 | 2000 | Politiken Cup | A46 Queen's Pawn Game |
| 34. B Schyberg vs L Petersen |
| 1-0 | 22 | 2000 | Politiken Cup | A40 Queen's Pawn Game |
| 35. L Petersen vs I L Hansen |
| 1-0 | 31 | 2000 | Politiken Cup | A48 King's Indian |
| 36. A B Jorgensen vs L Petersen |
| 0-1 | 35 | 2000 | Politiken Cup | D44 Queen's Gambit Declined Semi-Slav |
| 37. L Petersen vs D Kokholm |
| ½-½ | 13 | 2000 | Politiken Cup | B01 Scandinavian |
| 38. K Smith-Jensen vs L Petersen |
| 1-0 | 21 | 2000 | Politiken Cup | B16 Caro-Kann, Bronstein-Larsen Variation |
| 39. L Petersen vs L Grahn |
| 0-1 | 42 | 2000 | Politiken Cup | D02 Queen's Pawn Game |
| 40. K Keeling vs L Petersen |
| 0-1 | 27 | 2000 | Politiken Cup | A30 English, Symmetrical |
| 41. L Schandorff vs L Petersen |
| 1-0 | 39 | 2003 | Politiken Cup | D45 Queen's Gambit Declined Semi-Slav |
| 42. T Romsdal vs L Petersen |
| 1-0 | 34 | 2003 | Politiken Cup | E06 Catalan, Closed, 5.Nf3 |
| 43. L Petersen vs P N Rasmussen |
| ½-½ | 23 | 2003 | Politiken Cup | D02 Queen's Pawn Game |
| 44. T Pedersen vs L Petersen |
| ½-½ | 72 | 2003 | Politiken Cup | B01 Scandinavian |
| 45. L Petersen vs R Salomonsen |
| 0-1 | 26 | 2003 | Politiken Cup | A48 King's Indian |
| 46. T Sandbech vs L Petersen |
| 0-1 | 42 | 2003 | Politiken Cup | D43 Queen's Gambit Declined Semi-Slav |
| 47. E Christoffersen vs L Petersen |
| ½-½ | 17 | 2003 | Politiken Cup | B16 Caro-Kann, Bronstein-Larsen Variation |
| 48. L Petersen vs R Cohen |
| 1-0 | 36 | 2003 | Politiken Cup | A48 King's Indian |
| 49. L Petersen vs G B Hanssen |
| 1-0 | 40 | 2003 | Politiken Cup | D02 Queen's Pawn Game |
| 50. A Schmied vs L Petersen |
| ½-½ | 53 | 2003 | Politiken Cup | D63 Queen's Gambit Declined, Orthodox Defense |
Kibitzing
