| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Niemann vs R Palmeri |
  | 1-0 | 40 | 2015 | Reykjavik Open | A43 Old Benoni |
| 2. A S Rasmussen vs Niemann |
| 1-0 | 44 | 2015 | Reykjavik Open | E94 King's Indian, Orthodox |
| 3. Niemann vs V Stefansson |
| 1-0 | 61 | 2015 | Reykjavik Open | E16 Queen's Indian |
| 4. F Borg vs Niemann |
| 0-1 | 21 | 2015 | Reykjavik Open | B22 Sicilian, Alapin |
| 5. Niemann vs Y Wang |
| 0-1 | 63 | 2015 | Reykjavik Open | D11 Queen's Gambit Declined Slav |
| 6. L Baldvinsson vs Niemann |
| 1-0 | 84 | 2015 | Reykjavik Open | B56 Sicilian |
| 7. Niemann vs L Hansen |
| ½-½ | 54 | 2015 | Reykjavik Open | E92 King's Indian |
| 8. T Valtysson vs Niemann |
| 0-1 | 54 | 2015 | Reykjavik Open | A48 King's Indian |
| 9. Niemann vs B O Birkisson |
| 1-0 | 54 | 2015 | Reykjavik Open | E16 Queen's Indian |
| 10. J Sequera vs Niemann |
| ½-½ | 63 | 2015 | Reykjavik Open | B01 Scandinavian |
| 11. K Priyadharshan vs Niemann |
| 1-0 | 38 | 2015 | 9th Philadelphia Open | A45 Queen's Pawn Game |
| 12. Niemann vs J Colas |
| 1-0 | 61 | 2015 | 24th Chicago Open | A90 Dutch |
| 13. K Griffith vs Niemann |
| 1-0 | 28 | 2015 | 24th Chicago Open | B01 Scandinavian |
| 14. Niemann vs V Panchanatham |
| 1-0 | 104 | 2015 | 24th Chicago Open | E94 King's Indian, Orthodox |
| 15. A Shen vs Niemann |
| 1-0 | 31 | 2015 | 24th Chicago Open | B90 Sicilian, Najdorf |
| 16. Niemann vs E Santarius |
| ½-½ | 45 | 2015 | 24th Chicago Open | E04 Catalan, Open, 5.Nf3 |
| 17. Niemann vs Browne |
| 0-1 | 35 | 2015 | National Open | E15 Queen's Indian |
| 18. A Chandra vs Niemann |
| 1-0 | 35 | 2015 | 99th Edward Lasker Mem | C07 French, Tarrasch |
| 19. Niemann vs M Bodek |
| 0-1 | 24 | 2015 | North American op 25th | E30 Nimzo-Indian, Leningrad |
| 20. A Chandra vs Niemann |
| ½-½ | 85 | 2016 | 54th Baltimore Open | B01 Scandinavian |
| 21. S Homa vs Niemann |
| 0-1 | 66 | 2016 | CCCSA IM | D91 Grunfeld, 5.Bg5 |
| 22. D E Vigorito vs Niemann |
| 0-1 | 34 | 2016 | CCCSA IM | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 23. Niemann vs R Martin del Campo |
| 0-1 | 44 | 2016 | CCCSA IM | D70 Neo-Grunfeld Defense |
| 24. A Velikanov vs Niemann |
| 1-0 | 31 | 2016 | CCCSA IM | C07 French, Tarrasch |
| 25. Niemann vs A Young |
| 1-0 | 74 | 2016 | CCCSA IM | A42 Modern Defense, Averbakh System |
Kibitzing
