| Nov 23, 2025 | Schaefer | 1–0 | Steiner | Round 9: Schaefer, Marlon - Steiner, Matias | Sicilian Defense: Alapin Variation | |
| Nov 23, 2025 | Henninger | 0–1 | Schaefer | Round 8: Henninger, Claire - Schaefer, Marlon | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 23, 2025 | Schaefer | 0–1 | Boder | Round 7: Schaefer, Marlon - Boder, Jan | King's Gambit Accepted: Abbazia Defense | |
| Nov 23, 2025 | Schaefer | 1–0 | Karimov | Round 6: Schaefer, Marlon - Karimov, Rustam | Caro-Kann Defense: Tartakower Variation | |
| Nov 23, 2025 | Manucharyan | 1–0 | Schaefer | Round 5: Manucharyan, Andriy - Schaefer, Marlon | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Nov 23, 2025 | Schaefer | 0–1 | Dathe | Round 4: Schaefer, Marlon - Dathe, Frederick | Sicilian Defense: Alapin Variation | |
| Nov 23, 2025 | Leeb | 0–1 | Schaefer | Round 3: Leeb, Simon - Schaefer, Marlon | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 23, 2025 | Schaefer | 1–0 | Riecken | Round 2: Schaefer, Marlon - Riecken, Henning | Caro-Kann Defense: Classical Variation, Main Line | |
| Nov 23, 2025 | Bleckmann | 0–1 | Schaefer | Round 1: Bleckmann, Lena - Schaefer, Marlon | English Opening: Agincourt Defense | |
| Nov 22, 2025 | Kittler | 0–1 | Schaefer | Round 9: Kittler, Laszlo - Schaefer, Marlon | Queen's Pawn Game: Chigorin Variation | |
| Nov 22, 2025 | Schaefer | 0–1 | Modler | Round 8: Schaefer, Marlon - Modler, Andreas, Dr. | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Born | 0–1 | Schaefer | Round 7: Born, Jonathan - Schaefer, Marlon | Scotch Game: Malaniuk Variation | |
| Nov 22, 2025 | Schaefer | 0–1 | Geldner | Round 6: Schaefer, Marlon - Geldner, Gerrit | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Gehrmann | 0–1 | Schaefer | Round 5: Gehrmann, Nick - Schaefer, Marlon | Queen's Pawn Game: Chigorin Variation | |
| Nov 22, 2025 | Schaefer | 0–1 | Garbuz | Round 4: Schaefer, Marlon - Garbuz, Vitaliy | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Schlueter | 0–1 | Schaefer | Round 3: Schlueter, Johan - Schaefer, Marlon | Ruy Lopez: Berlin Defense | |
| Nov 22, 2025 | Schaefer | ½–½ | Niermann | Round 2: Schaefer, Marlon - Niermann, Tristan | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Ferchel | 0–1 | Schaefer | Round 1: Ferchel, Leo - Schaefer, Marlon | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Nov 30, 2024 | Schaefer | 1–0 | Gondesen | Round 2: Schaefer, Marlon - Gondesen, Luckhard | Caro-Kann Defense: Modern Variation | |
| Nov 30, 2024 | Schaefer | 1–0 | Alshbol | Round 4: Schaefer, Marlon - Alshbol, Dyab | Italian Game: Evans Gambit, Anderssen Variation | |
| Nov 30, 2024 | Schaefer | 1–0 | Goldmann | Round 6: Schaefer, Marlon - Goldmann, Nils | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Nov 30, 2024 | Lang | 0–1 | Schaefer | Round 1: Lang, Johannes - Schaefer, Marlon | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Nov 30, 2024 | Fieberg | 1–0 | Schaefer | Round 3: Fieberg, Samuel - Schaefer, Marlon | King's Indian Attack: Keres Variation | |
| Nov 30, 2024 | Quante | 1–0 | Schaefer | Round 5: Quante, Lennart - Schaefer, Marlon | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Nov 30, 2024 | Belling | 1–0 | Schaefer | Round 7: Belling, Florian - Schaefer, Marlon | Vienna Game: Vienna Gambit, Paulsen Attack | |
