| Jun 14, 2026 | Langrock | ½–½ | Helmer | Round 5: Langrock, Hannes - Helmer, Jan | King's Indian Attack | |
| Jun 14, 2026 | Helmer | ½–½ | Carlstedt | Round 4: Helmer, Jan - Carlstedt, Jonathan | Zukertort Opening | |
| Jun 13, 2026 | Helmer | 1–0 | Helm | Round 3: Helmer, Jan - Helm, Timo | King's Indian Defense: Orthodox Variation, Positional Defense | |
| May 25, 2026 | Helmer | * | Habig | Round 7: Helmer, Jan - Habig, Bryan | ? | |
| May 25, 2026 | Mueer | * | Helmer | Round 6: Mueer, Sebastian - Helmer, Jan | ? | |
| May 24, 2026 | Helmer | * | Kutzner | Round 5: Helmer, Jan - Kutzner, Stephen | ? | |
| May 24, 2026 | Pathak | * | Helmer | Round 4: Pathak, Raghav - Helmer, Jan | ? | |
| May 23, 2026 | Helmer | 0–1 | Beerdsen | Round 3: Helmer, Jan - Beerdsen, Thomas | Bogo-Indian Defense: Retreat Variation | |
| May 23, 2026 | Helmer | ½–½ | Gurevich | Round 2: Helmer, Jan - Gurevich, Mikhail | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| May 22, 2026 | Bus | * | Helmer | Round 1: Bus, Tom - Helmer, Jan | ? | |
| Feb 25, 2026 | Degraeve | 1–0 | Helmer | 42e Open de Cappelle | Sicilian Defense: Closed, Traditional | |
| Feb 23, 2026 | Bacrot | 1–0 | HELMER | 42e Open de Cappelle | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 23, 2025 | Mastiuk | ½–½ | Helmer | Heusenstamm Sparkassen Open 2025 | Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation | |
| Jul 23, 2025 | Helmer | 0–1 | Dreelinck | Round 9: Helmer, Jan - Dreelinck, Jacob | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Jul 22, 2025 | Helmer | 1–0 | Goossens | Round 7: Helmer, Jan - Goossens, Hanne | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 21, 2025 | Szajbely | ½–½ | Helmer | Round 6: Szajbely, Zsigmond - Helmer, Jan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 21, 2025 | Helmer | 1–0 | De Jong | Round 5: Helmer, Jan - De Jong, Jasper | Catalan Opening: Closed | |
| Jul 20, 2025 | Helmer | ½–½ | Smekens | Round 3: Helmer, Jan - Smekens, Ruben | Grünfeld Defense: Smyslov Defense | |
| Jul 7, 2025 | Knuedel | ½–½ | Helmer | Round 8: Knuedel, Torben - Helmer, Jan | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| Jun 29, 2025 | Helmer | 0–1 | Polenz | Round 9: Helmer, Jan - Polenz, Fredrik | Dutch Defense: Stonewall Variation | |
| Jun 29, 2025 | Nechitaylo | 0–1 | Helmer | Round 7: Nechitaylo, Nikita - Helmer, Jan | Slav Defense: Exchange Variation | |
| Jun 29, 2025 | Helmer | 1–0 | Roy | Round 6: Helmer, Jan - Roy, Amritesh | Semi-Slav Defense: Quiet Variation | |
| Jun 29, 2025 | Klettke | 0–1 | Helmer | Round 5: Klettke, Wolfgang - Helmer, Jan | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 29, 2025 | Helmer | 1–0 | Steiner | Round 4: Helmer, Jan - Steiner, Daniel | Dutch Defense: Stonewall Variation, Modern Variation | |
| Jun 29, 2025 | Wetterau | 1–0 | Helmer | Round 3: Wetterau, Nathanael - Helmer, Jan | Sicilian Defense: Portsmouth Gambit | |
| Jun 29, 2025 | Helmer | 1–0 | Gerlach | Round 2: Helmer, Jan - Gerlach, Vincent | Semi-Slav Defense: Meran Variation | |
| Jun 29, 2025 | Sviridov | 0–1 | Helmer | Round 1: Sviridov, Vitaliy - Helmer, Jan | Indian Defense: London System | |
| Jun 26, 2025 | Schneider | ½–½ | Helmer | Round 8: Schneider, Ilja - Helmer, Jan | Sicilian Defense: Closed, Traditional | |
| Apr 18, 2025 | Helmer | ½–½ | Tadic | Round 2: Helmer, Jan - Tadic, Stefan | Bogo-Indian Defense: Retreat Variation | |
| Nov 2, 2024 | Helmer | 0–1 | Pasti | Round 8: Helmer, Jan - Pasti, Zsombor | Catalan Opening: Open Defense, Classical Line | |
| Jul 21, 2024 | Zeller | ½–½ | Helmer | Round 9: Zeller, Frank - Helmer, Jan | Sicilian Defense: Closed, Traditional | |
| Jul 20, 2024 | Helmer | 1–0 | Schulz | Round 8: Helmer, Jan - Schulz, Karsten | Indian Defense: Wade-Tartakower Defense | |
| Jul 19, 2024 | Pascual | 0–1 | Helmer | Round 6: Pascual, Diego - Helmer, Jan | Sicilian Defense: Wing Gambit, Marshall Variation | |
| Jul 18, 2024 | Helmer | ½–½ | Matthaei | Round 5: Helmer, Jan - Matthaei, Jakob | Catalan Opening: Open Defense, Classical Line | |
| Jul 16, 2024 | Helmer | ½–½ | Hacker | Round 7: Helmer, Jan - Hacker, Jonas | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Jul 16, 2024 | Helmer | 0–1 | Friedrich | Round 1: Helmer, Jan - Friedrich, Karl | Bogo-Indian Defense: Grünfeld Variation | |
| Mar 31, 2024 | Helmer | 0–1 | Lavrencic | Grenke Open | Bogo-Indian Defense: Retreat Variation | |
| Mar 30, 2024 | Helmer | 0–1 | Waldhausen Gordon | new tournament description | Semi-Slav Defense: Quiet Variation | |
| Nov 17, 2024 | Helmer | 1–0 | Bruns | Round 5: Helmer, Jan - Bruns, Kai-Christian | Semi-Slav Defense: Quiet Variation | |
| Nov 17, 2024 | Poetsch | 1–0 | Helmer | Round 4: Poetsch, Hagen - Helmer, Jan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 16, 2024 | Helmer | 1–0 | Meiwes | Round 3: Helmer, Jan - Meiwes, Thore | Indian Defense: Dzindzi-Indian Defense | |
| Nov 16, 2024 | Jacobi | 0–1 | Helmer | Round 2: Jacobi, Felix-Hagen - Helmer, Jan | Sicilian Defense: McDonnell Attack | |
| Nov 15, 2024 | Helmer | 1–0 | Hammerl | Round 1: Helmer, Jan - Hammerl, Jonas | Queen's Pawn Game | |
| Jul 16, 2023 | Helmer | 1–0 | Eret | Czech Open 2023 - E | Zukertort Opening | |
| Jul 16, 2023 | Straka | 1–0 | Helmer | Czech Open 2023 - E | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 15, 2023 | Helmer | ½–½ | Jirousek | Czech Open 2023 - E | Zukertort Opening: Queenside Fianchetto Variation | |
| Jul 14, 2023 | Lojek | ½–½ | Helmer | Czech Open 2023 - E | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 7, 2023 | Helmer | ½–½ | Becker | Lower Saxony Championship | Masters | Zukertort Opening: Dutch Variation | |
| Jan 7, 2023 | Neumann | ½–½ | Helmer | Lower Saxony Championship | Masters | Sicilian Defense | |
| Jan 5, 2023 | Gentemann | 1–0 | Helmer | Lower Saxony Championship | Masters | Queen's Indian Defense: Fianchetto Variation, Rubinstein Variation | |