34 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Poysti, Nathanael | Korneev, Oleg | 0-1 | A13 | 35. Staufer Open 2025 | 2025-01-04 |
| Poysti, Nathanael | Stork, Oliver | 0-1 | D31 | Heusenstamm Sparkassen Open 2024 | 2024-11-24 |
| Poysti, Nathanael | Krastev, Alexander | 1/2-1/2 | A20 | Heusenstamm Sparkassen Open 2024 | 2024-11-23 |
| Poysti, Nathanael | Sivuk, Vitaly | 0-1 | A14 | Round 1: Poysti, Nathanael - Sivuk, Vitaly | 2024-03-28 |
| Poysti, Nathanael | Trost, Edvin | 0-1 | A10 | Kragerø Resort Chess International 2024 | 2024-02-23 |
| Poysti, Nathanael | Van Foreest, Lucas | 0-1 | A13 | Kragerø Resort Chess International 2024 | 2024-02-22 |
| Poysti, Nathanael | Aayush, Bhattacherjee | 1-0 | A30 | Kragerø Resort Chess International 2024 | 2024-02-21 |
| Poysti, Nathanael | Malik, Maciej | 1/2-1/2 | A15 | MMM 2023 | 2023-06-11 |
| Poysti, Nathanael | Ten Have, Roland | 1-0 | A13 | MMM 2023 | 2023-06-10 |
| Poysti, Nathanael | Krastev, Alexander | 0-1 | A28 | Heusenstamm Sparkassen Open 2021 | 2021-11-20 |
| Nathanael Poysti | Stefan Koper | 1/2-1/2 | A18 | Round 5: Nathanael Poysti - Stefan Koper | 2021-09-26 |
| Nathanael Poysti | Pavol Vlkovic | 1-0 | A10 | Round 1: Nathanael Poysti - Pavol Vlkovic | 2021-09-25 |
| Nathanael Poysti | Jeroen Schoonackers | 0-1 | D14 | Round 3: Nathanael Poysti - Jeroen Schoonackers | 2021-09-25 |
| Nathanael Poysti | Ingemars Jesse | 1/2-1/2 | A10 | Round 7: Nathanael Poysti - Ingemars Jesse | 2021-08-13 |
| Nathanael Poysti | Aditya Mittal | 1/2-1/2 | A28 | Round 3: Nathanael Poysti - Aditya Mittal | 2021-08-10 |
| Poysti, Nathanael | Reichel, Lukasz | 1-0 | A16 | XXXIII MIEDZYNARODOWE SZACHOWE MISTRZOSTWA MALOPOLSKI - Grupa A | 1899-12-30 |
| Poysti, Nathanael | Budzisz, Adrian | 0-1 | A13 | XXXIII MIEDZYNARODOWE SZACHOWE MISTRZOSTWA MALOPOLSKI - Grupa A | 1899-12-30 |