| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. P Nielsen vs K Eriksson |
| 0-1 | 41 | 2015 | Politiken Cup | E32 Nimzo-Indian, Classical |
| 52. P B Petersen vs P Nielsen |
| 1-0 | 27 | 2015 | Politiken Cup | B54 Sicilian |
| 53. P Nielsen vs O V Bakkejord |
| 1-0 | 50 | 2015 | Politiken Cup | B18 Caro-Kann, Classical |
| 54. L Rasmussen vs P Nielsen |
| 1-0 | 26 | 2015 | Politiken Cup | C45 Scotch Game |
| 55. P Nielsen vs S Skjolingstad |
| 0-1 | 73 | 2015 | Politiken Cup | B20 Sicilian |
| 56. J Brobakken vs P Nielsen |
| 0-1 | 21 | 2015 | Politiken Cup | A45 Queen's Pawn Game |
| 57. P Nielsen vs Iver Halse |
| 0-1 | 41 | 2015 | Politiken Cup | A22 English |
| 58. P Fransson vs P Nielsen |
| ½-½ | 20 | 2015 | Politiken Cup | D78 Neo-Grunfeld, 6.O-O c6 |
| 59. P Nielsen vs Kasher Shehzad |
| 0-1 | 43 | 2015 | Politiken Cup | B22 Sicilian, Alapin |
| 60. P Nielsen vs C Schroeder |
| 0-1 | 28 | 2017 | Xtracon Chess Open | B32 Sicilian |
| 61. Anders Erikstad vs P Nielsen |
| 0-1 | 35 | 2017 | Xtracon Chess Open | D37 Queen's Gambit Declined |
| 62. P Nielsen vs F Preuss |
| 1-0 | 59 | 2017 | Xtracon Chess Open | B07 Pirc |
| 63. M Aroven vs P Nielsen |
 | 1-0 | 55 | 2017 | Xtracon Chess Open | A03 Bird's Opening |
| 64. P Nielsen vs A Easwaralingam |
| 1-0 | 41 | 2017 | Xtracon Chess Open | A21 English |
| 65. H Heimisson vs P Nielsen |
| 1-0 | 19 | 2017 | Xtracon Chess Open | A20 English |
| 66. P Nielsen vs L Rasmussen |
| 0-1 | 32 | 2017 | Xtracon Chess Open | D02 Queen's Pawn Game |
| 67. L Bex vs P Nielsen |
| 0-1 | 25 | 2017 | Xtracon Chess Open | A11 English, Caro-Kann Defensive System |
| 68. P Nielsen vs T Dittrich |
| ½-½ | 20 | 2017 | Xtracon Chess Open | E90 King's Indian |
| 69. C Strachan vs P Nielsen |
| 1-0 | 70 | 2017 | Xtracon Chess Open | C53 Giuoco Piano |
| 70. P Nielsen vs F Buchenau |
| 0-1 | 46 | 2019 | Xtracon Open | C11 French |
| 71. P Nielsen vs F M Tummasarson |
| 1-0 | 34 | 2019 | Xtracon Open | C50 Giuoco Piano |
| 72. O K Nergard vs P Nielsen |
| 1-0 | 49 | 2019 | Xtracon Open | C44 King's Pawn Game |
| 73. O E Jorgensen vs P Nielsen |
| 1-0 | 57 | 2019 | Xtracon Open | A03 Bird's Opening |
| 74. P Nielsen vs A Eiding |
| 1-0 | 32 | 2019 | Xtracon Open | B30 Sicilian |
| 75. P Skjoldager vs P Nielsen |
| 1-0 | 37 | 2019 | Xtracon Open | B50 Sicilian |
Kibitzing
