| 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 | Heller, Achim 2058 | Miltner, Arndt 2175 | ½-½ | A41 Wade Defense | 23. Rheinland-Pfalz Senioren Open | 36 | Ver |
| 23 ago 2026 | Schulz, Klaus-Juergen 2307 | Heller, Achim 2058 | 1-0 | E06 Apertura Catalana: Closed | 23. Rheinland-Pfalz Senioren Open | 54 | Ver |
| 22 ago 2026 | Nehmert, Ulrich 2256 | Heller, Achim 2058 | 0-1 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | 23. Rheinland-Pfalz Senioren Open | 38 | Ver |
| 21 ago 2026 | Heller, Achim 2058 | Babrikowski, Peter, Dr. 2179 | ½-½ | E14 Defensa India de Dama: Spassky System | 23. Rheinland-Pfalz Senioren Open | 20 | Ver |