| 22 jul 2026 | Mueller-Dehn, Christian, Dr. 2013 | Grabe, Lutz 2085 | 0-1 | A34 Apertura Inglesa: Symmetrical Variation, Three Knights Variation | German Chess Championship 2026 | Seniors 50+ | 64 | Ver |
| 21 jul 2026 | Lindam, Ingo 2079 | Mueller-Dehn, Christian, Dr. 2013 | 1-0 | D02 Apertura de Peón de Dama: Zukertort Variation | German Chess Championship 2026 | Seniors 50+ | 34 | Ver |
| 20 jul 2026 | Mueller-Dehn, Christian, Dr. 2013 | Lehmann, Michael 2073 | ½-½ | A03 Apertura Bird: Dutch Variation | German Chess Championship 2026 | Seniors 50+ | 13 | Ver |
| 17 jul 2026 | Hochgraefe, Markus, Dr. 2324 | Mueller-Dehn, Christian, Dr. 2013 | 1-0 | D02 Apertura de Peón de Dama: Zukertort Variation | German Chess Championship 2026 | Seniors 50+ | 38 | Ver |