| Jul 13, 2025 | Petersen | ½–½ | Neuendorf | Round 7: Petersen, Malte - Neuendorf, Max | Sicilian Defense: Closed, Traditional | |
| Jul 12, 2025 | Poelig | 0–1 | Petersen | Round 6: Poelig, Juergen - Petersen, Malte | King's Indian Attack | |
| Jul 12, 2025 | Porth | 1–0 | Petersen | Round 5: Porth, Hartmut - Petersen, Malte | Ruy Lopez: Exchange Variation | |
| Jul 11, 2025 | Petersen | 1–0 | Grosselohmann | Round 4: Petersen, Malte - Grosselohmann, Gerhard | Sicilian Defense: Closed | |
| Jul 11, 2025 | Freise | ½–½ | Petersen | Round 3: Freise, Linus - Petersen, Malte | Vienna Game: Max Lange Defense | |
| Jul 10, 2025 | Petersen | ½–½ | Carsten | Round 2: Petersen, Malte - Carsten, Juergen | Italian Game: Giuoco Pianissimo | |
| Jul 10, 2025 | Schramm | ½–½ | Petersen | Round 1: Schramm, Kilian - Petersen, Malte | Bishop's Opening: Berlin Defense | |
| Dec 28, 2024 | Raddatz | 1–0 | Petersen | Round 3: Raddatz, Michael - Petersen, Malte | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 27, 2024 | Stopa | 1–0 | Petersen | Round 1: Stopa, Jacek - Petersen, Malte | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Dec 6, 2024 | Petersen | 0–1 | Schneider | Round 1: Petersen, Malte - Schneider, Ilja | Italian Game: Giuoco Pianissimo | |
| Dec 6, 2024 | Petersen | 0–1 | Wetterau | Round 3: Petersen, Malte - Wetterau, Nathanael | Indian Defense | |
| Dec 6, 2024 | Petersen | 0–1 | Lu | Round 5: Petersen, Malte - Lu, Yunong Elias | Indian Defense | |
| Dec 6, 2024 | Petersen | 1–0 | Moerke | Round 7: Petersen, Malte - Moerke, Niklas | Horwitz Defense | |
| Dec 6, 2024 | Petersen | 1–0 | Leonad Schulz | Round 9: Petersen, Malte - Leonad Schulz | Nimzo-Larsen Attack: Modern Variation | |
| Dec 6, 2024 | Petersen | 1–0 | Lueders Vega | Round 11: Petersen, Malte - Lueders Vega, Iago Ernst | Englund Gambit | |
| Dec 6, 2024 | Petersen | 0–1 | Engel | Round 13: Petersen, Malte - Engel, Robert | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Dec 6, 2024 | Petersen | 1–0 | Spielfrei | Round 14: Petersen, Malte - Spielfrei | ? | |
| Dec 6, 2024 | Petersen | 1–0 | Mueller | Round 16: Petersen, Malte - Mueller, Florian | Queen's Pawn Game: Accelerated London System | |
| Dec 6, 2024 | Timo Felis | ½–½ | Petersen | Round 2: Timo Felis - Petersen, Malte | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Dec 6, 2024 | Sviridov | 1–0 | Petersen | Round 4: Sviridov, Vitaliy - Petersen, Malte | Queen's Pawn Game: Accelerated London System | |
| Dec 6, 2024 | Schulze | 1–0 | Petersen | Round 6: Schulze, Torben, Dr. - Petersen, Malte | Vienna Game: Max Lange Defense | |
| Dec 6, 2024 | Rangosch | 1–0 | Petersen | Round 8: Rangosch, Lukas - Petersen, Malte | Ruy Lopez: Closed, Smyslov Defense | |
| Dec 6, 2024 | Juergens | 1–0 | Petersen | Round 10: Juergens, Florian - Petersen, Malte | Modern Defense | |
| Dec 6, 2024 | Schmidt-Brauns | 1–0 | Petersen | Round 12: Schmidt-Brauns, Joachim, Dr. - Petersen, Malte | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Dec 6, 2024 | Voege | 1–0 | Petersen | Round 15: Voege, Tobias - Petersen, Malte | Queen's Gambit Declined: Charousek Variation, Miladinovic Gambit | |
| Dec 6, 2024 | Heckl | 0–1 | Petersen | Round 17: Heckl, Philipp - Petersen, Malte | Center Game: Paulsen Attack Variation | |
| Nov 17, 2024 | Labitzki | 0–1 | Petersen | Round 4: Labitzki, Marek - Petersen, Malte | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 17, 2024 | Kesselhut | 1–0 | Petersen | Round 5: Kesselhut, Pascal - Petersen, Malte | Vienna Game: Max Lange Defense | |
| Nov 16, 2024 | Petersen | 1–0 | Wiktorczyk | Round 2: Petersen, Malte - Wiktorczyk, Michel | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Nov 16, 2024 | Petersen | 1–0 | Zinner | Round 3: Petersen, Malte - Zinner, Bernhard | Sicilian Defense: Taimanov Variation | |
| Nov 15, 2024 | Jaekel | 1–0 | Petersen | Round 1: Jaekel, Michael - Petersen, Malte | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
