| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. C Holst vs L A Nielsen |
| 0-1 | 26 | 2006 | Politiken Cup | A10 English |
| 27. L A Nielsen vs R Pijlman |
 | 1-0 | 39 | 2007 | Politiken Cup | B22 Sicilian, Alapin |
| 28. I Jensen vs L A Nielsen |
| 0-1 | 41 | 2007 | Politiken Cup | D02 Queen's Pawn Game |
| 29. L A Nielsen vs H Ziska |
| 0-1 | 53 | 2007 | Politiken Cup | B22 Sicilian, Alapin |
| 30. C Doran vs L A Nielsen |
| 0-1 | 59 | 2007 | Politiken Cup | C04 French, Tarrasch, Guimard Main line |
| 31. L A Nielsen vs M M Ivanov |
| 0-1 | 64 | 2007 | Politiken Cup | B06 Robatsch |
| 32. L A Nielsen vs M A Jensen |
| 1-0 | 45 | 2007 | Politiken Cup | B22 Sicilian, Alapin |
| 33. L A Nielsen vs J Hector |
| 0-1 | 60 | 2007 | Politiken Cup | C45 Scotch Game |
| 34. C Vos vs L A Nielsen |
| 1-0 | 57 | 2007 | Politiken Cup | C16 French, Winawer |
| 35. D Goes vs L A Nielsen |
| ½-½ | 26 | 2007 | Politiken Cup | A40 Queen's Pawn Game |
| 36. S Salomonsson vs L A Nielsen |
| 0-1 | 42 | 2009 | Politiken Cup | C16 French, Winawer |
| 37. A Ostlund vs L A Nielsen |
| 0-1 | 38 | 2009 | Politiken Cup | C00 French Defense |
| 38. L A Nielsen vs A Hobber |
| ½-½ | 16 | 2009 | Politiken Cup | C10 French |
| 39. L A Nielsen vs E Agrest |
| 0-1 | 47 | 2009 | Politiken Cup | B13 Caro-Kann, Exchange |
| 40. M Hansen vs L A Nielsen |
| 1-0 | 28 | 2009 | Politiken Cup | C04 French, Tarrasch, Guimard Main line |
| 41. L A Nielsen vs V Hansen |
| ½-½ | 31 | 2009 | Politiken Cup | B01 Scandinavian |
| 42. K Bjorneboe vs L A Nielsen |
| 0-1 | 75 | 2009 | Politiken Cup | A40 Queen's Pawn Game |
| 43. L A Nielsen vs R Svane |
| 1-0 | 56 | 2009 | Politiken Cup | D03 Torre Attack (Tartakower Variation) |
| 44. L A Nielsen vs M Antonsen |
| ½-½ | 13 | 2009 | Politiken Cup | C55 Two Knights Defense |
| 45. D Semcesen vs L A Nielsen |
| 1-0 | 42 | 2009 | Politiken Cup | A10 English |
| 46. L A Nielsen vs S Pedersen |
| 0-1 | 63 | 2010 | 49th TCh-DEN XtraCon -11 | B22 Sicilian, Alapin |
| 47. B Undheim vs L A Nielsen |
| 0-1 | 20 | 2012 | Politiken Cup | C04 French, Tarrasch, Guimard Main line |
| 48. L A Nielsen vs E Christensen |
| 1-0 | 28 | 2012 | Politiken Cup | B22 Sicilian, Alapin |
| 49. S B Hansen vs L A Nielsen |
| ½-½ | 16 | 2012 | Politiken Cup | C07 French, Tarrasch |
| 50. L A Nielsen vs S Bekker-Jensen |
| ½-½ | 21 | 2012 | Politiken Cup | B22 Sicilian, Alapin |
Kibitzing
