| 21 jul 2026 | Kaiser, Dieter 2166 | Tymoshenko, Ihor 2306 | 1-0 | B40 Defensa Siciliana: Delayed Alapin Variation, with e6 | German Chess Championship 2026 | Seniors 50+ | 32 | Ver |
| 19 jul 2026 | Kaiser, Dieter 2166 | Belke, Frank, Dr. 2213 | 1-0 | A16 Apertura Inglesa: Anglo-Indian Defense, Anglo-Grünfeld Variation | German Chess Championship 2026 | Seniors 50+ | 28 | Ver |
| 18 jul 2026 | Kuhn, Gerhard 2034 | Kaiser, Dieter 2166 | 0-1 | B22 Defensa Siciliana: Delayed Alapin Variation | German Chess Championship 2026 | Seniors 50+ | 29 | Ver |
| 7 jul 2026 | Wolter, Kai, Dr. 2209 | Kaiser, Dieter 2166 | ½-½ | C01 Defensa Francesa: Exchange Variation | German Chess Championship 2026 | Seniors 50+ | 10 | Ver |
| 7 jul 2026 | Wichmann, Cliff 2251 | Kaiser, Dieter 2166 | ½-½ | E11 Defensa Bogoindia: Vitolins Variation | German Chess Championship 2026 | Seniors 50+ | 77 | Ver |
| 7 jul 2026 | Kaiser, Dieter 2166 | Hochgraefe, Markus, Dr. 2324 | 1-0 | A11 Apertura Réti: Anglo-Slav Variation, Gurevich System | German Chess Championship 2026 | Seniors 50+ | 37 | Ver |
| 7 jul 2026 | Dubiel, Jacek 2344 | Kaiser, Dieter 2166 | ½-½ | B45 Defensa Siciliana: Four Knights Variation | German Chess Championship 2026 | Seniors 50+ | 34 | Ver |
| 16 oct 2025 | Kaiser, Dieter 2172 | Schober, Ralf 2077 | 1-0 | A01 Ataque Nimzo-Larsen: Modern Variation | 33. offene S?chsische Senioren-Einzelmeisterschaft | 40 | Ver |
| 12 oct 2025 | Babrikowski, Peter, Dr. 2139 | Kaiser, Dieter 2172 | 1-0 | B40 Defensa Siciliana: Delayed Alapin Variation, with e6 | 33. offene S?chsische Senioren-Einzelmeisterschaft | 45 | Ver |
| 12 oct 2025 | Kaiser, Dieter 2172 | Okrajek, Alexander 2194 | 1-0 | E90 Defensa India de Rey: Normal Variation, Rare Defenses | 33. offene S?chsische Senioren-Einzelmeisterschaft | 41 | Ver |
| 12 oct 2025 | Heck, Norbert 2165 | Kaiser, Dieter 2172 | 0-1 | D30 Gambito de Dama rehusado: Tarrasch Defense, Pseudo-Tarrasch | 33. offene S?chsische Senioren-Einzelmeisterschaft | 63 | Ver |
| 12 oct 2025 | Kaiser, Dieter 2172 | Wichmann, Cliff 2258 | ½-½ | A13 Apertura Inglesa: Agincourt Defense | 33. offene S?chsische Senioren-Einzelmeisterschaft | 8 | Ver |
| 12 oct 2025 | Schmidt, Joerg, Prof. Dr. 2026 | Kaiser, Dieter 2172 | 0-1 | B83 Defensa Siciliana: Scheveningen Variation, Modern Variation | 33. offene S?chsische Senioren-Einzelmeisterschaft | 38 | Ver |