61 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Niermann, Tristan | Ziegenfuss, Larissa | 1-0 | A20 | Round 2: Niermann, Tristan - Ziegenfuss, Larissa | 2025-11-23 |
| Niermann, Tristan | Krause, Benedict | 1/2-1/2 | A37 | Round 4: Niermann, Tristan - Krause, Benedict | 2025-11-23 |
| Niermann, Tristan | Hassemeier, Mika | 0-1 | A14 | Round 5: Niermann, Tristan - Hassemeier, Mika | 2025-11-23 |
| Niermann, Tristan | Tschernatsch, Johannes | 0-1 | A10 | Round 7: Niermann, Tristan - Tschernatsch, Johannes | 2025-11-23 |
| Niermann, Tristan | Winterstein, Nils | 1-0 | A04 | Round 1: Niermann, Tristan - Winterstein, Nils | 2025-11-22 |
| Niermann, Tristan | Arnold, Leander | 1-0 | C50 | Round 3: Niermann, Tristan - Arnold, Leander | 2025-11-22 |
| Niermann, Tristan | Graefe, Charly | 0-1 | B30 | Round 5: Niermann, Tristan - Graefe, Charly | 2025-11-22 |
| Niermann, Tristan | Mimkes, Pavel | 1-0 | A50 | Round 8: Niermann, Tristan - Mimkes, Pavel | 2025-11-22 |
| Niermann, Tristan | Villiers, Thomas | 1-0 | D45 | Reykjavik Open 2025 | 2025-04-14 |
| Niermann, Tristan | Allard, Thomas | 1/2-1/2 | A37 | Reykjavik Open 2025 | 2025-04-13 |
| Niermann, Tristan | Harish, Neeraj | 1-0 | A13 | Reykjavik Open 2025 | 2025-04-11 |
| Niermann, Tristan | Petersen, Marcel | 0-1 | A13 | Reykjavik Open 2025 | 2025-04-10 |
| Niermann, Tristan | Bomans, Arno | 1/2-1/2 | A30 | Grenke Open | 2024-04-01 |
| Niermann, Tristan | Wong, Gengchun | 0-1 | E05 | new tournament description | 2024-03-30 |
| Niermann, Tristan | Albert, Markus | 1-0 | E68 | Grenke Chess Open 2024 | 2024-03-29 |
| Niermann, Tristan | De Winter, Arthur | 1/2-1/2 | A05 | Tata Steel Toptienkamp 2024 | 2024-01-28 |
| Niermann, Tristan | Baselmans, Luuk | 1-0 | A46 | Tata Steel Toptienkamp 2024 | 2024-01-26 |
| Niermann, Tristan | Van Foreest, Machteld | 1-0 | D45 | Tata Steel Toptienkamp 2024 | 2024-01-22 |
| Niermann, Tristan | Holzke, Frank | 1-0 | C47 | Tata Steel Toptienkamp 2024 | 2024-01-20 |
| Tristan Niermann | Simon Leeb | 1/2-1/2 | D11 | Round 8: Tristan Niermann - Simon Leeb | 2022-09-16 |
| Tristan Niermann | Ygor De Souza Almeida | 1-0 | A30 | Round 1: Tristan Niermann - Ygor De Souza Almeida | 2022-09-14 |
| Tristan Niermann | Wasswa Mark Nyola | 1-0 | A15 | Round 3: Tristan Niermann - Wasswa Mark Nyola | 2022-09-14 |
| Tristan Niermann | Jingyao Tin | 0-1 | D11 | Round 5: Tristan Niermann - Jingyao Tin | 2022-09-14 |
| Niermann, Tristan | Vypkhaniuk, Ihor | 1-0 | E60 | chessemy open 2022 | 2022-02-05 |
| Niermann, Tristan | Germer, Philipp | 1-0 | A04 | chessemy open 2022 | 2022-02-03 |
| Niermann, Tristan | Tiede, Andreas | 1-0 | A45 | chessemy open 2022 | 2022-02-01 |
| Niermann, Tristan | Nyenhuis, Yannek | 1-0 | E05 | chessemy open 2022 | 2022-01-30 |
| Niermann, Tristan | Karas, Marek | 1/2-1/2 | C00 | Grenke Open |