| 26 ago 2026 | Boidman, Yuri 2228 | Hassenrueck, Helmut 2166 | 1-0 | C85 Apertura Española (Ruy López): Closed, Delayed Exchange | 23. Rheinland-Pfalz Senioren Open | 57 | Ver |
| 25 ago 2026 | Heller, Achim 2058 | Hassenrueck, Helmut 2166 | 0-1 | E14 Defensa India de Dama: Spassky System | 23. Rheinland-Pfalz Senioren Open | 33 | Ver |
| 24 ago 2026 | Hassenrueck, Helmut 2166 | Heck, Norbert 2231 | 0-1 | B06 Defensa Moderna: Pseudo-Austrian Attack | 23. Rheinland-Pfalz Senioren Open | 36 | Ver |
| 23 ago 2026 | Hassenrueck, Helmut 2166 | Babrikowski, Peter, Dr. 2179 | ½-½ | E16 Defensa India de Dama: Yates Variation | 23. Rheinland-Pfalz Senioren Open | 55 | Ver |
| 21 ago 2026 | Hassenrueck, Helmut 2166 | Paus, Franz 2010 | ½-½ | E91 Defensa India de Rey: Kazakh Variation | 23. Rheinland-Pfalz Senioren Open | 41 | Ver |
| 20 ago 2026 | Matzat, Andre 2042 | Hassenrueck, Helmut 2166 | ½-½ | D02 Apertura de Peón de Dama: London System | 23. Rheinland-Pfalz Senioren Open | 39 | Ver |