Game |
| Result | Moves |
Year | Event/Locale | Opening |
151. V Taksrud vs J Hartung-Nielsen |
| ½-½ | 57 | 2015 | Politiken Cup | D34 Queen's Gambit Declined, Tarrasch |
152. J Hartung-Nielsen vs S Degerfeldt |
| 1-0 | 41 | 2015 | Politiken Cup | D30 Queen's Gambit Declined |
153. U Larsen vs J Hartung-Nielsen |
| 0-1 | 13 | 2015 | Politiken Cup | A07 King's Indian Attack |
154. J Hartung-Nielsen vs C Hoi |
| 0-1 | 41 | 2015 | Politiken Cup | D25 Queen's Gambit Accepted |
155. J A Gutierrez Bolado vs J Hartung-Nielsen |
| 0-1 | 23 | 2017 | Xtracon Chess Open | B20 Sicilian |
156. J Hartung-Nielsen vs A B Kvaloy |
| 1-0 | 37 | 2017 | Xtracon Chess Open | E91 King's Indian |
157. P Lindgren vs J Hartung-Nielsen |
| ½-½ | 67 | 2017 | Xtracon Chess Open | D30 Queen's Gambit Declined |
158. J Hartung-Nielsen vs J Kramer |
| 1-0 | 48 | 2017 | Xtracon Chess Open | B22 Sicilian, Alapin |
159. J Christiansen vs J Hartung-Nielsen |
| 1-0 | 41 | 2017 | Xtracon Chess Open | B27 Sicilian |
160. J Hartung-Nielsen vs M Matthiesen |
| 1-0 | 41 | 2017 | Xtracon Chess Open | B22 Sicilian, Alapin |
161. A Das vs J Hartung-Nielsen |
| 1-0 | 31 | 2017 | Xtracon Chess Open | B01 Scandinavian |
162. J Hartung-Nielsen vs U Larsen |
| 1-0 | 32 | 2017 | Xtracon Chess Open | A07 King's Indian Attack |
163. B Haldorsen vs J Hartung-Nielsen |
| 1-0 | 35 | 2017 | Xtracon Chess Open | B31 Sicilian, Rossolimo Variation |
164. J Hartung-Nielsen vs D Andersen |
| 1-0 | 47 | 2017 | Xtracon Chess Open | D11 Queen's Gambit Declined Slav |
165. M Horslund vs J Hartung-Nielsen |
| 0-1 | 35 | 2019 | Xtracon Open | B27 Sicilian |
166. J Hartung-Nielsen vs G Sargissian |
| 0-1 | 38 | 2019 | Xtracon Open | A07 King's Indian Attack |
167. S Steenstrup vs J Hartung-Nielsen |
| 0-1 | 37 | 2019 | Xtracon Open | E20 Nimzo-Indian |
168. J Hartung-Nielsen vs M Saltvedt |
| ½-½ | 33 | 2019 | Xtracon Open | B22 Sicilian, Alapin |
169. L Henningsen vs J Hartung-Nielsen |
| ½-½ | 56 | 2019 | Xtracon Open | E32 Nimzo-Indian, Classical |