| Mar 28, 2026 | Sayce | 1–0 | Koppe | Reykjavik Open 2026 | French Defense: Schlechter Variation | |
| Dec 21, 2025 | Koppe | ½–½ | Liu | Round 5: Koppe, Cordelia - Liu, Mio Runhan | Queen's Pawn Game: Accelerated London System | |
| Dec 20, 2025 | Spiller | 0–1 | Koppe | Round 4: Spiller, Lennard - Koppe, Cordelia | Caro-Kann Defense: Classical Variation | |
| Mar 9, 2025 | Suryaprakash | 1–0 | Koppe | Round 6: Suryaprakash, Smrithi - Koppe, Cordelia | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Mar 9, 2025 | Rafikova | * | Koppe | Round 7: Rafikova, Nailya - Koppe, Cordelia | ? | |
| Mar 8, 2025 | Koppe | ½–½ | Kuebart | Round 5: Koppe, Cordelia - Kuebart, Ela Marie | Horwitz Defense | |
| Mar 8, 2025 | Krannich | 0–1 | Koppe | Round 4: Krannich, Eva - Koppe, Cordelia | Bird Opening | |
| Mar 6, 2025 | Alnajjar | ½–½ | Koppe | Round 2: Alnajjar, Sara - Koppe, Cordelia | Scandinavian Defense: Icelandic-Palme Gambit | |
| Mar 7, 2025 | Koppe | 1–0 | Bulmer | Round 3: Koppe, Cordelia - Bulmer, Susanne | Horwitz Defense | |
| Mar 5, 2025 | Koppe | 0–1 | Tiuca | Round 1: Koppe, Cordelia - Tiuca, Emma | Queen's Pawn Game: London System, with e6 | |
| Aug 20, 2023 | Koppe | 0–1 | Lange | German Women's CHampionship | Nimzo-Indian Defense | |
| Aug 19, 2023 | Bazzazi | 1–0 | Koppe | German Women's CHampionship | Scandinavian Defense: Modern Variation | |
| Aug 18, 2023 | Koppe | 0–1 | Just | German Women's CHampionship | Dutch Defense: Rubinstein Variation | |
| Aug 17, 2023 | Wulf | 1–0 | Koppe | German Women's CHampionship | Caro-Kann Defense: Exchange Variation | |
| Aug 16, 2023 | Koppe | 0–1 | Bursan | German Women's CHampionship | Benoni Defense: Classical Variation, Main Line | |
| Aug 16, 2023 | Braeuer | 1–0 | Koppe | German Women's CHampionship | Scotch Game: Göring Gambit | |
| Aug 15, 2023 | Nizamova | 1–0 | Koppe | German Women's CHampionship | Queen's Gambit Declined | |
| Aug 14, 2023 | Koppe | 0–1 | Von Herman | German Women's CHampionship | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
