| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M F Olsen vs N P Nielsen |
| 0-1 | 39 | 2000 | Politiken Cup | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 27. N P Nielsen vs R Lilja |
| 1-0 | 19 | 2000 | Politiken Cup | C25 Vienna |
| 28. N P Nielsen vs J N Christensen |
| ½-½ | 29 | 2000 | Politiken Cup | C27 Vienna Game |
| 29. N Laursen vs N P Nielsen |
| ½-½ | 42 | 2000 | Politiken Cup | A45 Queen's Pawn Game |
| 30. N P Nielsen vs H M Hansen |
| ½-½ | 39 | 2000 | Politiken Cup | B00 Uncommon King's Pawn Opening |
| 31. S Jessen vs N P Nielsen |
| 1-0 | 25 | 2000 | Politiken Cup | E60 King's Indian Defense |
| 32. G Keeling vs N P Nielsen |
| 0-1 | 33 | 2000 | Politiken Cup | A07 King's Indian Attack |
| 33. N P Nielsen vs S Petersen |
| ½-½ | 27 | 2000 | Politiken Cup | C28 Vienna Game |
| 34. N P Nielsen vs M Li |
| 1-0 | 41 | 2001 | Politiken Cup | C45 Scotch Game |
| 35. B Jacobsen vs N P Nielsen |
| 1-0 | 20 | 2001 | Politiken Cup | E62 King's Indian, Fianchetto |
| 36. N P Nielsen vs H H Schmidt |
 | 1-0 | 54 | 2001 | Politiken Cup | B07 Pirc |
| 37. J Rendboe vs N P Nielsen |
| 1-0 | 27 | 2001 | Politiken Cup | E90 King's Indian |
| 38. N P Nielsen vs I L Hansen |
| 1-0 | 14 | 2001 | Politiken Cup | C45 Scotch Game |
| 39. C Rasmussen vs N P Nielsen |
| 1-0 | 18 | 2001 | Politiken Cup | A15 English |
| 40. N P Nielsen vs Thormod Furu |
| 0-1 | 21 | 2001 | Politiken Cup | B01 Scandinavian |
| 41. M Olesen vs N P Nielsen |
| 1-0 | 36 | 2001 | Politiken Cup | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 42. N P Nielsen vs M Tandrup |
| 1-0 | 41 | 2001 | Politiken Cup | B01 Scandinavian |
| 43. T Nielsen vs N P Nielsen |
| 0-1 | 32 | 2001 | Politiken Cup | E97 King's Indian |
| 44. N P Nielsen vs J Kaaber-Hansen |
| 1-0 | 22 | 2001 | Politiken Cup | B93 Sicilian, Najdorf, 6.f4 |
| 45. S Lund vs N P Nielsen |
| ½-½ | 58 | 2002 | Taastrup Chess Club 30th Anniversary | A86 Dutch |
| 46. N P Nielsen vs H Kongsted |
| 1-0 | 64 | 2002 | Taastrup Chess Club 30th Anniversary | C05 French, Tarrasch |
| 47. T Bromann vs N P Nielsen |
| 1-0 | 27 | 2002 | Taastrup Chess Club 30th Anniversary | B01 Scandinavian |
| 48. N P Nielsen vs J Aagaard |
| 0-1 | 36 | 2002 | Taastrup Chess Club 30th Anniversary | C07 French, Tarrasch |
| 49. M Nielsen vs N P Nielsen |
| 0-1 | 42 | 2002 | Taastrup Chess Club 30th Anniversary | C41 Philidor Defense |
| 50. N P Nielsen vs E Nolsoe |
| 1-0 | 55 | 2002 | Taastrup Chess Club 30th Anniversary | B22 Sicilian, Alapin |
Kibitzing
