29 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Hiermann, Dietmar | Modipalli Deekshitha | 1-0 | A03 | Leca Chess Open 2026 | 2026-08-06 |
| Hiermann, Dietmar | Lameirinhas, Paulo | 1-0 | B13 | Leca Chess Open 2026 | 2026-08-02 |
| Hiermann, Dietmar | Caturra, Rafael Dias | 1-0 | B23 | Leca Chess Open 2026 | 2026-08-01 |
| Hiermann, Dietmar | Volkov, Mykyta | * | Round 8: Hiermann, Dietmar - Volkov, Mykyta | 2026-04-06 | |
| Hiermann Dietmar | Sudrich Radek | * | C54 | QCC | 2022-07-08 |
| Hiermann Dietmar | Zaza Martin | 1/2-1/2 | B01 | QCC | 2022-07-06 |
| Hiermann Dietmar | Svanda Adam | * | B01 | QCC | 2022-07-04 |
| Hiermann, Dietmar | Daroczi, Donat | 0-1 | C03 | Äeské BudÄjovice Open | A | 2021-07-09 |
| Hiermann, Dietmar | Jires, Jiri | 1/2-1/2 | C55 | Äeské BudÄjovice Open | A | 2021-07-05 |
| Hiermann, Dietmar | Havelka, Josef | 0-1 | B50 | Äeské BudÄjovice Open | A | 2021-07-03 |
| Hiermann, Dietmar | Balint, Peter | 1-0 | C55 | Äeské BudÄjovice Open | A | 2021-07-01 |
| Hiermann, Dietmar | Perhinig, Robert | 0-1 | C06 | Austrian Blitz Championship | 2021-06-06 |
| Hiermann, Dietmar | Miazhynski, Yuri | 1-0 | B13 | Austrian Rapid Championship | 2021-06-05 |
| Hiermann, Dietmar | Trippold, Denise | 1-0 | C08 | Austrian Rapid Championship | 2021-06-05 |
| Hiermann, Dietmar | Nolz, Tom | 1-0 | B50 | Austrian Rapid Championship | 2021-06-05 |