| Jan 5, 2026 | Schlaetker | 1–0 | Cordes | Runde 7: Schlaetker, Christine - Cordes, Michael | Sicilian Defense: Closed, Fianchetto Variation | |
| Jan 4, 2026 | Cordes | ½–½ | Ramme | Runde 6: Cordes, Michael - Ramme, Georg | Queen's Pawn Game: Symmetrical Variation | |
| Jan 4, 2026 | Schmidt | 1–0 | Cordes | Runde 5: Schmidt, Aaron Joel - Cordes, Michael | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 3, 2026 | Cordes | 1–0 | Spielfrei | Runde 4: Cordes, Michael - Spielfrei | ? | |
| Jan 3, 2026 | Cordes | 0–1 | Haverlandt | Runde 3: Cordes, Michael - Haverlandt, Jannes | Indian Defense: London System | |
| Jan 2, 2026 | Klages | * | Cordes | Runde 2: Klages, Jonas - Cordes, Michael | ? | |
| Jan 2, 2026 | Cordes | 0–1 | Ernst | Runde 1: Cordes, Michael - Ernst, Holger | Indian Defense: Wade-Tartakower Defense | |
| Jan 5, 2025 | Wessels | 1–0 | Cordes | Round 7: Wessels, Keke - Cordes, Michael | Rapport-Jobava System | |
| Jan 4, 2025 | Cordes | 1–0 | Sanasi | Round 6: Cordes, Michael - Sanasi, Theodore-Batista | Dutch Defense: Classical Variation | |
| Jan 4, 2025 | Berger | ½–½ | Cordes | Round 5: Berger, Johanna - Cordes, Michael | Bird Opening | |
| Jan 3, 2025 | Cordes | 1–0 | Esche | Round 3: Cordes, Michael - Esche, Frieder | English Opening: Symmetrical Variation | |
| Jan 3, 2025 | Cordes | 1–0 | Ishcenko | Round 4: Cordes, Michael - Ishcenko, Volodymyr | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jan 2, 2025 | Cordes | 1–0 | Schmidt | Round 1: Cordes, Michael - Schmidt, Lina | Zukertort Opening: Queen's Gambit Invitation | |
| Jan 2, 2025 | Leonidas Rueckinger | 0–1 | Cordes | Round 2: Leonidas Rueckinger - Cordes, Michael | English Opening: Symmetrical Variation | |
| Jun 7, 2024 | Cordes | 0–1 | Engelhaupt | Round 1: Cordes, Michael - Engelhaupt, Henry | Queen's Pawn Game: Accelerated London System | |
