| Dec 30, 2024 | Spies | ½–½ | Supplieth | Round 7: Spies, Andree - Supplieth, Peter | English Opening: King's English Variation, Two Knights Variation, Keres Variation | |
| Dec 29, 2024 | Supplieth | ½–½ | Lattreuter | Round 5: Supplieth, Peter - Lattreuter, Alexander | Caro-Kann Defense: Apocalypse Attack | |
| Dec 29, 2024 | Supplieth | 1–0 | Kandora | Round 6: Supplieth, Peter - Kandora, Max | Petrov's Defense: Classical Attack | |
| Dec 28, 2024 | Van Gaalen | 0–1 | Supplieth | Round 3: Van Gaalen, Jakob - Supplieth, Peter | Alekhine Defense: Four Pawns Attack, Main Line | |
| Dec 28, 2024 | Wildt | 0–1 | Supplieth | Round 4: Wildt, Alexander - Supplieth, Peter | Semi-Slav Defense | |
| Dec 27, 2024 | Supplieth | ½–½ | Beeck | Round 2: Supplieth, Peter - Beeck, Sebastian | Ruy Lopez: Closed, Martinez Variation | |
| Dec 27, 2024 | Kamps | 0–1 | Supplieth | Round 1: Kamps, Manuel - Supplieth, Peter | Alekhine Defense: Four Pawns Attack, Main Line | |
| Sep 3, 2024 | Supplieth | 0–1 | Heck | Round 1: Supplieth, Peter - Heck, Norbert | Modern Defense | |
| Sep 13, 2023 | Klein | ½–½ | Supplieth | 20. RLP-Senioren-Open | Alekhine Defense: Modern Variation, Main Line | |
| Sep 12, 2023 | Supplieth | 0–1 | Hesse | 20. RLP-Senioren-Open | Ruy Lopez: Morphy Defense | |
| Sep 11, 2023 | Supplieth | ½–½ | Zunker | 20. RLP-Senioren-Open | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Sep 10, 2023 | Gollasch | 1–0 | Supplieth | 20. RLP-Senioren-Open | Zukertort Opening | |
| Sep 9, 2023 | Supplieth | 1–0 | Schomann | 20. RLP-Senioren-Open | Scandinavian Defense: Valencian Variation | |
| Sep 8, 2023 | Doncevic | ½–½ | Supplieth | 20. RLP-Senioren-Open | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 7, 2023 | Supplieth | 1–0 | Hotz | 20. RLP-Senioren-Open | Caro-Kann Defense: Apocalypse Attack | |
| Sep 6, 2023 | Bausch | ½–½ | Supplieth | 20. RLP-Senioren-Open | English Opening: King's English Variation, Two Knights Variation | |
| Sep 5, 2023 | Supplieth | 0–1 | Meyer | 20. RLP-Senioren-Open | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| — | Supplieth | ½–½ | Wegemund | Round 2: Supplieth, Peter - Wegemund, Hubert | Pirc Defense: Austrian Attack, Dragon Formation | |
| — | Supplieth | 0–1 | Heikaus | Round 4: Supplieth, Peter - Heikaus, Frank | Caro-Kann Defense: Apocalypse Attack | |
| — | Supplieth | 1–0 | Siegismund | Round 6: Supplieth, Peter - Siegismund, Bernd | Sicilian Defense: Alapin Variation, Barmen Defense | |
| — | Supplieth | 0–1 | Ennenbach | Round 8: Supplieth, Peter - Ennenbach, Ralph, Dr. | French Defense: Advance Variation, Euwe Variation | |
| — | Huettemann | ½–½ | Supplieth | Round 3: Huettemann, Karl-Heinz - Supplieth, Peter | English Opening: King's English Variation, Adhiban Gambit | |
| — | Rokitta | ½–½ | Supplieth | Round 5: Rokitta, Uwe - Supplieth, Peter | Queen's Pawn Game: Colle System | |
| — | Larem | ½–½ | Supplieth | Round 7: Larem, Ewald - Supplieth, Peter | Slav Defense | |
