| Jul 24, 2025 | Cordes | ½–½ | Yu | Biel Chess Festival 2025 MTO | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Jul 23, 2025 | Hornung | 1–0 | Cordes | Biel Chess Festival 2025 MTO | English Opening: King's English Variation, Adhiban Gambit | |
| Jul 22, 2025 | Cordes | ½–½ | Stevens | Biel Chess Festival 2025 MTO | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Jul 21, 2025 | Oestmann | ½–½ | Cordes | Biel Chess Festival 2025 MTO | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 20, 2025 | Mueller | 1–0 | Cordes | Biel Chess Festival 2025 Blitz | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Jul 20, 2025 | Cordes | 0–1 | Pinchetti | Biel Chess Festival 2025 Blitz | French Defense: Advance Variation, Main Line | |
| Jul 20, 2025 | Cruciani | 0–1 | Cordes | Biel Chess Festival 2025 Blitz | Queen's Gambit Accepted: Old Variation | |
| Jul 20, 2025 | Cordes | 1–0 | Alberti | Biel Chess Festival 2025 Blitz | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 20, 2025 | Aryan Goyal | 1–0 | Cordes | Biel Chess Festival 2025 Blitz | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jul 20, 2025 | Cordes | 0–1 | Vincenti | Biel Chess Festival 2025 Blitz | Queen's Gambit Declined: Tartakower Defense | |
| Jul 20, 2025 | Koller | 0–1 | Cordes | Biel Chess Festival 2025 Blitz | Nimzo-Larsen Attack: Indian Variation | |
| Jul 20, 2025 | Cordes | 0–1 | Gut | Biel Chess Festival 2025 Blitz | Neo-Grünfeld Defense: Goglidze Attack | |
| Jul 20, 2025 | Cordes | 0–1 | Deshpande | Biel Chess Festival 2025 Blitz | Queen's Gambit Declined: Semi-Slav, Abrahams Variation | |
| Jul 19, 2025 | Cordes | ½–½ | Trubini | Biel Chess Festival 2025 MTO | Indian Defense: Anti-Grünfeld, Alekhine Variation | |
| Jul 18, 2025 | Panda | 1–0 | Cordes | Biel Chess Festival 2025 MTO | Queen's Gambit Accepted: Old Variation | |
| Jul 17, 2025 | Hu | 1–0 | Cordes | Biel Chess Festival 2025 MTO | French Defense: McCutcheon Variation, Dr. Olland Variation | |
| Jul 16, 2025 | Cordes | 0–1 | Sushanth Kamabathula | Biel Chess Festival 2025 MTO | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Jul 15, 2025 | Lilliehook | 0–1 | Cordes | Biel Chess Festival 2025 MTO | Zukertort Opening | |
| Jul 14, 2025 | Cordes | 0–1 | Mostertman | Biel Chess Festival 2025 MTO | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jul 13, 2025 | Cordes | 0–1 | Anetov | Biel Chess Festival 2025 Rapid | Queen's Gambit Declined: Orthodox Defense, Bd3 Line | |
| Jul 13, 2025 | Lipecki | 1–0 | Cordes | Biel Chess Festival 2025 Rapid | Queen's Pawn Game: Accelerated London System | |
| Jul 13, 2025 | Cordes | 1–0 | Thorens | Biel Chess Festival 2025 Rapid | Queen's Gambit Declined: Janowski Variation | |
| Jul 13, 2025 | Keusch | 0–1 | Cordes | Biel Chess Festival 2025 Rapid | Zukertort Opening | |
| Jul 13, 2025 | Cordes | 0–1 | El-Mais | Biel Chess Festival 2025 Rapid | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Jul 13, 2025 | Nihal Saheer | 0–1 | Cordes | Biel Chess Festival 2025 Rapid | French Defense: Classical Variation, Shirov-Anand Variation | |
| Jul 13, 2025 | Cordes | ½–½ | Dalay | Biel Chess Festival 2025 Rapid | Slav Defense: Exchange Variation | |
| Jul 13, 2025 | Degtiarev | 1–0 | Cordes | Biel Chess Festival 2025 Rapid | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Jul 25, 2024 | Selinga | 1–0 | Cordes | Biel Chess Festival MTO | French Defense: Chigorin Variation | |
| Jul 24, 2024 | Cordes | ½–½ | Woltery | Biel Chess Festival MTO | Benko Gambit Accepted: Dlugy Variation | |
| Jul 22, 2024 | Cordes | 0–1 | Monteverde | Biel Chess Festival MTO | Nimzo-Indian Defense: Classical Variation | |
| Jul 20, 2024 | Erne | 1–0 | Cordes | Biel Chess Festival MTO | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jul 18, 2024 | Cordes | 0–1 | Nurgaliyeva | Biel Chess Festival MTO | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jul 15, 2024 | Cordes | 0–1 | Follesa | Biel Chess Festival 2024 - Master tournament | Nimzo-Indian Defense: Classical Variation | |
| Jul 7, 2024 | De Mie | 1–0 | Cordes | Round 1 | Tiebreaks: De Mie, Mariska - Cordes, Jule | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 6, 2024 | De Mie | 0–1 | Cordes | Round 1 | Game 1: De Mie, Mariska - Cordes, Jule | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 3, 2024 | Cordes | 0–1 | De Mie | Round 1 | Game 2: Cordes, Jule - De Mie, Mariska | Modern Defense: Averbakh System | |
| Jul 3, 2024 | Cordes | 0–1 | De Mie | Round 1 | Tiebreaks: Cordes, Jule - De Mie, Mariska | Modern Defense: Averbakh System | |
| Nov 3, 2024 | Cordes | 1–0 | Moeller | Round 7: Cordes, Jule - Moeller, Tom | Queen's Gambit Declined: Semi-Slav, Abrahams Variation | |
| Nov 2, 2024 | Wecke | ½–½ | Cordes | Round 5: Wecke, Thoralf - Cordes, Jule | Van Geet Opening | |
| Nov 2, 2024 | Aden | ½–½ | Cordes | Round 6: Aden, Dagmar - Cordes, Jule | French Defense: Exchange Variation, Monte Carlo Variation | |
| Nov 1, 2024 | Cordes | 1–0 | Dorr | Round 3: Cordes, Jule - Dorr, Joerg | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Nov 1, 2024 | Cordes | 0–1 | Schier | Round 4: Cordes, Jule - Schier, Richard | Dutch Defense: Semi-Leningrad Variation | |
| Oct 31, 2024 | Cordes | 0–1 | Spiric | Round 1: Cordes, Jule - Spiric, Igor | Benoni Defense: Taimanov Variation | |
| Oct 31, 2024 | Kutlar | 1–0 | Cordes | Round 2: Kutlar, Aras - Cordes, Jule | French Defense: MacCutcheon Variation, Chigorin Variation | |
| Jul 23, 2024 | Tkhoruk | 0–1 | Cordes | Biel Chess Festival 2024 | Queen's Pawn Game: London System | |
| Jul 19, 2024 | Matsumura | ½–½ | Cordes | Biel Chess Festival 2024 | French Defense: Advance Variation, Paulsen Attack | |
| Jul 16, 2024 | Coles | 1–0 | Cordes | Biel Chess Festival - MTO | French Defense: Tarrasch Variation, Closed Variation | |
| May 6, 2023 | Cordes | 1–0 | Basa | NJSK 2023 Meisjes A | Queen's Gambit Declined: Tartakower Defense | |
| May 5, 2023 | Basa | 0–1 | Cordes | NJSK 2023 Meisjes A | French Defense: Two Knights Variation | |
| May 3, 2023 | Khatniuk | 1–0 | Cordes | NJSK 2023 Meisjes A | French Defense: Tarrasch Variation, Closed Variation | |
| May 2, 2023 | Cordes | 0–1 | Den Heijer | NJSK 2023 Meisjes A | Tarrasch Defense: Two Knights Variation | |
| May 1, 2023 | Venema | 0–1 | Cordes | NJSK 2023 Meisjes A | Bogo-Indian Defense: Retreat Variation | |
| Apr 30, 2023 | Cordes | ½–½ | Basa | NJSK 2023 Meisjes A | Queen's Gambit Declined: Modern Variation, Normal Line | |
| Jun 11, 2022 | Voigt | 0–1 | Cordes | DEM U16w 2022 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Jun 10, 2022 | Cordes | ½–½ | Derling | DEM U16w 2022 | King's Indian Defense | |
| Jun 9, 2022 | Petersen | 0–1 | Cordes | DEM U16w 2022 | French Defense: Wing Gambit | |
| Jun 8, 2022 | Cordes | 0–1 | Sereda | DEM U16w 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 8, 2022 | Zöllner | ½–½ | Cordes | DEM U16w 2022 | Semi-Slav Defense: Accelerated Move Order | |
| Jun 7, 2022 | Cordes | 1–0 | Sarian | DEM U16w 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 6, 2022 | Pohle | * | Cordes | DEM U16w 2022 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Jun 5, 2022 | Cordes | * | Glowiak | DEM U16w 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 5, 2022 | Duchstein | * | Cordes | DEM U16w 2022 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 18, 2021 | Cordes | 1–0 | Becker | Dortmund | Tarrasch Defense: Two Knights Variation | |
| Jul 17, 2021 | Cordes | * | Becker | Dortmund | Sicilian Defense: Kalashnikov Variation | |
| Jul 17, 2021 | Trunz | * | Cordes | Dortmund | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jul 16, 2021 | Rudolph | * | Cordes | Dortmund | Queen's Gambit Declined: Cambridge Springs Defense, Rubinstein Variation | |
| Jul 15, 2021 | Cordes | * | Brunner | Dortmund | Sicilian Defense: Najdorf Variation | |
| Jul 15, 2021 | Fock | * | Cordes | Dortmund | Four Knights Game: Scotch Variation, Schmid Defense | |
| Jul 14, 2021 | Cordes | * | Muedder | Dortmund | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Jul 14, 2021 | Sickmann | * | Cordes | Dortmund | Four Knights Game: Scotch Variation, Schmid Defense | |
| Jul 13, 2021 | Cordes | * | Trunz | Dortmund | Sicilian Defense: Löwenthal Variation | |