| 26 ago 2026 | Heck, Norbert 2231 | Schulz, Klaus-Juergen 2307 | 0-1 | D02 Apertura de Peón de Dama: Symmetrical Variation, Pseudo-Catalan | 23. Rheinland-Pfalz Senioren Open | 43 | 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 | Heck, Norbert 2231 | Kolthoff, Siegmund 2068 | 1-0 | E05 Apertura Catalana: Open Defense, Classical Line | 23. Rheinland-Pfalz Senioren Open | 52 | Ver |
| 22 ago 2026 | Boidman, Yuri 2228 | Heck, Norbert 2231 | ½-½ | B23 Defensa Siciliana: Closed | 23. Rheinland-Pfalz Senioren Open | 28 | Ver |
| 21 ago 2026 | Heck, Norbert 2231 | Boehm, Martin 2089 | ½-½ | A49 Defensa India: Przepiorka Variation | 23. Rheinland-Pfalz Senioren Open | 41 | Ver |
| 11 ago 2026 | Heck, Norbert 2231 | Pirrot, Dieter 2312 | ½-½ | A96 Defensa Holandesa: Classical Variation | 23. Rheinland-Pfalz Senioren Open | 77 | Ver |
| 24 jul 2026 | Kannenberg, Karl-Heinz 2074 | Heck, Norbert 2210 | 0-1 | A48 Apertura de Peón de Dama: Barry Attack | German Chess Championship 2026 | Seniors 65+ | 51 | Ver |
| 23 jul 2026 | Heck, Norbert 2210 | Raitza, Olaf 2045 | 1-0 | E05 Apertura Catalana: Open Defense, Classical Line | German Chess Championship 2026 | Seniors 65+ | 55 | Ver |
| 22 jul 2026 | Schulz, Michael 2095 | Heck, Norbert 2210 | 1-0 | B06 Defensa Moderna: Standard Defense | German Chess Championship 2026 | Seniors 65+ | 32 | Ver |
| 21 jul 2026 | Heck, Norbert 2210 | Klundt, Klaus 2201 | ½-½ | E09 Apertura Catalana: Closed, Main Line | German Chess Championship 2026 | Seniors 65+ | 56 | Ver |
| 20 jul 2026 | Michael Mueller 2065 | Heck, Norbert 2210 | 0-1 | A48 Sistema Londres | German Chess Championship 2026 | Seniors 65+ | 42 | Ver |
| 19 jul 2026 | Heck, Norbert 2210 | Kraft, Wolfgang 2042 | ½-½ | A49 Defensa India: Przepiorka Variation | German Chess Championship 2026 | Seniors 65+ | 40 | Ver |
| 18 jul 2026 | Lutz, Albert 2007 | Heck, Norbert 2210 | 0-1 | E94 Defensa India de Rey: Orthodox Variation | German Chess Championship 2026 | Seniors 65+ | 44 | Ver |
| 4 jul 2026 | Heck, Norbert 2210 | Namyslo, Holger 2033 | ½-½ | E05 Apertura Catalana: Open Defense, Classical Line | 11. Open Baden-Württembergische Senior Championchip | 72 | Ver |
| 3 jul 2026 | Klundt, Klaus 2201 | Heck, Norbert 2210 | ½-½ | B28 Defensa Siciliana: O'Kelly Variation, Réti System | 11. Open Baden-Württembergische Senior Championchip | 30 | Ver |
| 1 jul 2026 | Witke, Thomas 2166 | Heck, Norbert 2210 | 0-1 | B06 Defensa Moderna: Standard Defense | 11. Open Baden-Württembergische Senior Championchip | 44 | Ver |
| 30 jun 2026 | Heck, Norbert 2225 | Schiff, Armin 2037 | 1-0 | E09 Apertura Catalana: Closed Variation, Traditional Variation | 11. Open Baden-Württembergische Senior Championchip | 27 | Ver |
| 28 jun 2026 | Heck, Norbert 2225 | Jackson, Oliver A 2030 | 1-0 | A04 Apertura Zukertort: Pirc Invitation | 11. Open Baden-Württembergische Senior Championchip | 52 | Ver |
| 22 jun 2026 | Heck, Norbert 2210 | Schumacher, Gottfried 2151 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation, Pseudo-Catalan | 11. Open Baden-Württembergische Senior Championchip | 130 | Ver |
| 22 jun 2026 | Roos, Jean-Luc 2199 | Heck, Norbert 2225 | 1-0 | B28 Defensa Siciliana: O'Kelly Variation, Venice System | 11. Open Baden-Württembergische Senior Championchip | 33 | Ver |