| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 701. P H Nielsen vs E Postny |
| 1-0 | 51 |
2011 |
World Cup | E15 Queen's Indian |
| 702. P H Nielsen vs Le Quang Liem |
| ½-½ | 58 |
2011 |
SportAccord Mind Games (Rapid) | D10 Queen's Gambit Declined Slav |
| 703. I Nikolaidis vs P H Nielsen |
| ½-½ | 39 |
2011 |
39th Greek Teams | D31 Queen's Gambit Declined |
| 704. I Saric vs P H Nielsen |
| ½-½ | 55 |
2011 |
12th European Individual Championship | C80 Ruy Lopez, Open |
| 705. P H Nielsen vs V Gashimov |
 | 1-0 | 113 |
2011 |
World Cup | D10 Queen's Gambit Declined Slav |
| 706. P H Nielsen vs M Vachier-Lagrave |
| 0-1 | 51 |
2011 |
SportAccord Mind Games (Blitz) | D82 Grunfeld, 4.Bf4 |
| 707. P H Nielsen vs Vallejo-Pons |
| ½-½ | 54 |
2011 |
SportAccord Mind Games (Blindfold) | E21 Nimzo-Indian, Three Knights |
| 708. P H Nielsen vs E Postny |
| ½-½ | 25 |
2011 |
World Cup | E15 Queen's Indian |
| 709. V Golod vs P H Nielsen |
| ½-½ | 45 |
2011 |
Bundesliga | D45 Queen's Gambit Declined Semi-Slav |
| 710. P H Nielsen vs M Palac |
| ½-½ | 27 |
2011 |
12th European Individual Championship | D38 Queen's Gambit Declined, Ragozin Variation |
| 711. M Parligras vs P H Nielsen |
| ½-½ | 25 |
2011 |
World Cup | A34 English, Symmetrical |
| 712. P H Nielsen vs Wang Yue |
| ½-½ | 19 |
2011 |
SportAccord Mind Games (Blitz) | D18 Queen's Gambit Declined Slav, Dutch |
| 713. P H Nielsen vs V Gashimov |
| 0-1 | 37 |
2011 |
World Cup | D10 Queen's Gambit Declined Slav |
| 714. Karjakin vs P H Nielsen |
| 0-1 | 33 |
2011 |
SportAccord Mind Games (Blindfold) | B25 Sicilian, Closed |
| 715. P H Nielsen vs Z Andriasian |
| ½-½ | 84 |
2011 |
European Club Cup | D18 Queen's Gambit Declined Slav, Dutch |
| 716. A M Petrisor vs P H Nielsen |
| 0-1 | 33 |
2011 |
12th European Individual Championship | C48 Four Knights |
| 717. E Postny vs P H Nielsen |
| 0-1 | 53 |
2011 |
World Cup | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 718. Wang Yue vs P H Nielsen |
| ½-½ | 49 |
2011 |
SportAccord Mind Games (Rapid) | E06 Catalan, Closed, 5.Nf3 |
| 719. P H Nielsen vs R Berzinsh |
| 1-0 | 31 |
2011 |
39th Greek Teams | D20 Queen's Gambit Accepted |
| 720. P H Nielsen vs I Nepomniachtchi |
| ½-½ | 19 |
2011 |
12th European Individual Championship | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 721. V Gashimov vs P H Nielsen |
| 1-0 | 73 |
2011 |
World Cup | C67 Ruy Lopez |
| 722. Mamedyarov vs P H Nielsen |
| 1-0 | 27 |
2011 |
SportAccord Mind Games (Blitz) | E20 Nimzo-Indian |
| 723. Wang Yue vs P H Nielsen |
| 1-0 | 53 |
2011 |
SportAccord Mind Games (Blindfold) | E06 Catalan, Closed, 5.Nf3 |
| 724. E Postny vs P H Nielsen |
| ½-½ | 23 |
2011 |
World Cup | D44 Queen's Gambit Declined Semi-Slav |
| 725. P H Nielsen vs T Sanikidze |
| 0-1 | 44 |
2011 |
Bundesliga | E06 Catalan, Closed, 5.Nf3 |
