51 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Helmer, Jan | Carlstedt, Jonathan | 1/2-1/2 | A06 | Round 4: Helmer, Jan - Carlstedt, Jonathan | 2026-06-14 |
| Helmer, Jan | Helm, Timo | 1-0 | E94 | Round 3: Helmer, Jan - Helm, Timo | 2026-06-13 |
| Helmer, Jan | Gurevich, Mikhail | 1/2-1/2 | A88 | Round 2: Helmer, Jan - Gurevich, Mikhail | 2026-05-23 |
| Helmer, Jan | Beerdsen, Thomas | 0-1 | E11 | Round 3: Helmer, Jan - Beerdsen, Thomas | 2026-05-23 |
| Helmer, Jan | Dreelinck, Jacob | 0-1 | E94 | Round 9: Helmer, Jan - Dreelinck, Jacob | 2025-07-23 |
| Helmer, Jan | Goossens, Hanne | 1-0 | D12 | Round 7: Helmer, Jan - Goossens, Hanne | 2025-07-22 |
| Helmer, Jan | De Jong, Jasper | 1-0 | E06 | Round 5: Helmer, Jan - De Jong, Jasper | 2025-07-21 |
| Helmer, Jan | Smekens, Ruben | 1/2-1/2 | D94 | Round 3: Helmer, Jan - Smekens, Ruben | 2025-07-20 |
| Helmer, Jan | Gerlach, Vincent | 1-0 | D47 | Round 2: Helmer, Jan - Gerlach, Vincent | 2025-06-29 |
| Helmer, Jan | Steiner, Daniel | 1-0 | A90 | Round 4: Helmer, Jan - Steiner, Daniel | 2025-06-29 |
| Helmer, Jan | Roy, Amritesh | 1-0 | D30 | Round 6: Helmer, Jan - Roy, Amritesh | 2025-06-29 |
| Helmer, Jan | Polenz, Fredrik | 0-1 | A92 | Round 9: Helmer, Jan - Polenz, Fredrik | 2025-06-29 |
| Helmer, Jan | Tadic, Stefan | 1/2-1/2 | E11 | Round 2: Helmer, Jan - Tadic, Stefan | 2025-04-18 |
| Helmer, Jan | Bruns, Kai-Christian | 1-0 | D30 | Round 5: Helmer, Jan - Bruns, Kai-Christian | 2024-11-17 |
| Helmer, Jan | Meiwes, Thore | 1-0 | E10 | Round 3: Helmer, Jan - Meiwes, Thore | 2024-11-16 |
| Helmer, Jan | Hammerl, Jonas | 1-0 | A41 | Round 1: Helmer, Jan - Hammerl, Jonas | 2024-11-15 |
| Helmer, Jan | Pasti, Zsombor | 0-1 | E05 | Round 8: Helmer, Jan - Pasti, Zsombor | 2024-11-02 |
| Helmer, Jan | Schulz, Karsten | 1-0 | A46 | Round 8: Helmer, Jan - Schulz, Karsten | 2024-07-20 |
| Helmer, Jan | Matthaei, Jakob | 1/2-1/2 | E05 | Round 5: Helmer, Jan - Matthaei, Jakob | 2024-07-18 |
| Helmer, Jan | Friedrich, Karl | 0-1 | E11 | Round 1: Helmer, Jan - Friedrich, Karl | 2024-07-16 |
| Helmer, Jan | Hacker, Jonas | 1/2-1/2 | E15 | Round 7: Helmer, Jan - Hacker, Jonas | 2024-07-16 |
| Helmer, Jan | Lavrencic, Matic | 0-1 | E11 | Grenke Open | 2024-03-31 |
| Helmer, Jan | Waldhausen Gordon, Frederick | 0-1 | D30 | new tournament description | 2024-03-30 |
| Helmer, Jan | Eret, Jonas | 1-0 | A06 | Czech Open 2023 - E | 2023-07-16 |
| Helmer, Jan | Jirousek, Jan | 1/2-1/2 | A04 | Czech Open 2023 - E | 2023-07-15 |
| Jan Helmer | Artem Mametev | 1/2-1/2 | E97 | Round 2: Jan Helmer - Artem Mametev | 2023-07-14 |
| Jan Helmer | Lucas Kiesel | 1-0 | A48 | Round 7 | MT: Jan Helmer - Lucas Kiesel | 2023-01-08 |
| Helmer, Jan | Becker, Stefan | 1/2-1/2 | A04 | Lower Saxony Championship | Masters | 2023-01-07 |
| Jan Helmer | Marius Nürenberg | 0-1 | A47 | Round 4 | MT: Jan Helmer - Marius Nürenberg | 2023-01-06 |
| Jan Helmer | Torben Knüdel | 1/2-1/2 | A48 | Round 1 | MT: Jan Helmer - Torben Knüdel | 2023-01-05 |