| Jun 30, 2026 | Heck | 1–0 | Schiff | Round 5: Heck, Norbert - Schiff, Armin | Catalan Opening: Closed Variation, Traditional Variation | |
| Jun 28, 2026 | Heck | 1–0 | Jackson | Round 3: Heck, Norbert - Jackson, Oliver A | Zukertort Opening: Pirc Invitation | |
| Jun 26, 2026 | Heck | 1–0 | Stummeyer | Round 1: Heck, Norbert - Stummeyer, Dieter | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jun 22, 2026 | Roos | 1–0 | Heck | Round 4: Roos, Jean-Luc - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Venice System | |
| Jun 22, 2026 | Ahlvers | 0–1 | Heck | Round 2: Ahlvers, Ullrich - Heck, Norbert | Modern Defense: Averbakh System | |
| Oct 22, 2025 | Heck | 1–0 | Biegel | 33. offene S?chsische Senioren-Einzelmeisterschaft | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| Oct 20, 2025 | Wichmann | 1–0 | Heck | 33. offene S?chsische Senioren-Einzelmeisterschaft | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Oct 18, 2025 | Heck | 1–0 | Babrikowski | 33. offene S?chsische Senioren-Einzelmeisterschaft | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Oct 17, 2025 | Doeserich | 0–1 | Heck | 33. offene S?chsische Senioren-Einzelmeisterschaft | Modern Defense: Averbakh System | |
| Oct 14, 2025 | Heck | ½–½ | Nauber | 33. offene S?chsische Senioren-Einzelmeisterschaft | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Oct 12, 2025 | Heck | 0–1 | Kaiser | 33. offene S?chsische Senioren-Einzelmeisterschaft | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Jul 12, 2025 | Vatter | 0–1 | Heck | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Modern Defense: Standard Defense | |
| Jul 11, 2025 | Heck | 1–0 | Schrems | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Jul 10, 2025 | Kapfer | ½–½ | Heck | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense | |
| Jul 9, 2025 | Heck | ½–½ | Podat | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Catalan Opening: Open Defense, Classical Line | |
| Jul 7, 2025 | Meyer | 1–0 | Heck | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | King's Indian Defense: Larsen Variation | |
| Jul 6, 2025 | Heck | 1–0 | Templin | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Nov 22, 2024 | Riemay | 1–0 | Heck | Round 1: Riemay, David - Heck, Norbert | Sicilian Defense: Smith-Morra Gambit Accepted, Paulsen Formation | |
| Aug 31, 2024 | Moritz | ½–½ | Heck | Round 9: Moritz, Hartmut - Heck, Norbert | Modern Defense | |
| Aug 30, 2024 | Heck | ½–½ | Bastian | Round 8: Heck, Norbert - Bastian, Martin | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Aug 29, 2024 | Heck | 0–1 | Pirrot | Round 7: Heck, Norbert - Pirrot, Dieter | Catalan Opening: Open Defense, Classical Line | |
| Aug 28, 2024 | Balzer | ½–½ | Heck | Round 6: Balzer, Lars - Heck, Norbert | Sicilian Defense: Closed | |
| Aug 27, 2024 | Heck | 1–0 | Hartmann | Round 5: Heck, Norbert - Hartmann, Wolfgang, Dr. | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Aug 25, 2024 | Heck | ½–½ | Schmidt | Round 3: Heck, Norbert - Schmidt, Matthias | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Aug 23, 2024 | Heck | ½–½ | Wilkens | Round 1: Heck, Norbert - Wilkens, Dietrich | Indian Defense: Wade-Tartakower Defense | |
| Jul 13, 2024 | Habibi | ½–½ | Heck | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: O'Kelly Variation, Quiet System | |
| Jul 12, 2024 | Heck | ½–½ | Mueller | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Catalan Opening: Closed | |
| Jul 11, 2024 | Toenniges | 0–1 | Heck | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Jul 10, 2024 | Heck | ½–½ | Kirszenberg | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Slav Defense: Breyer Variation | |
| Jul 9, 2024 | Jahn | ½–½ | Heck | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jul 8, 2024 | Heck | 1–0 | Schrems | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Bogo-Indian Defense: Retreat Variation | |
| Jul 7, 2024 | Schneider | 0–1 | Heck | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | English Opening: King's English Variation, Two Knights Variation | |
| Jul 6, 2024 | Heck | 1–0 | Stern | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Gambit Accepted: Mannheim Variation | |
| Apr 14, 2024 | Scheckenbach | ½–½ | Heck | Round 9: Scheckenbach, Franz - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Quiet System | |
| Apr 13, 2024 | Heck | ½–½ | Lutz | Round 8: Heck, Norbert - Lutz, Albert | Slav Defense: Breyer Variation | |
| Sep 11, 2024 | Geyer | 0–1 | Heck | Round 9: Geyer, Bernhard - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Sep 10, 2024 | Heck | 1–0 | Sicker | Round 8: Heck, Norbert - Sicker, Rolf | English Opening: Neo-Catalan Declined | |
| Sep 9, 2024 | Helmond | 0–1 | Heck | Round 7: Helmond, Frans - Heck, Norbert | Modern Defense: Standard Defense | |
| Sep 8, 2024 | Heck | ½–½ | Meyer | Round 6: Heck, Norbert - Meyer, Armin | Queen's Pawn Game: Modern Defense | |
| Sep 7, 2024 | Boidman | 0–1 | Heck | Round 5: Boidman, Yuri - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Sep 6, 2024 | Heck | 1–0 | Buchaeckert | Round 4: Heck, Norbert - Buchaeckert, Juergen | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Sep 5, 2024 | Bohnstorff | ½–½ | Heck | Round 3: Bohnstorff, Michael - Heck, Norbert | London System | |
| Sep 4, 2024 | Heck | 1–0 | Kalepky | Round 2: Heck, Norbert - Kalepky, Helmut | Zukertort Opening: Dutch Variation | |
| Sep 3, 2024 | Supplieth | 0–1 | Heck | Round 1: Supplieth, Peter - Heck, Norbert | Modern Defense | |
| Aug 3, 2024 | Gaertner | 1–0 | Heck | Round 5: Gaertner, Michael - Heck, Norbert | Indian Defense | |
| Aug 2, 2024 | Heck | ½–½ | Tueckmantel | Round 4: Heck, Norbert - Tueckmantel, Rene | Slav Defense: Breyer Variation | |
| Aug 2, 2024 | Herter | 1–0 | Heck | Round 3: Herter, Arne - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Venice System | |
| Aug 1, 2024 | Heck | 1–0 | Richter | Round 2: Heck, Norbert - Richter, Jan | English Opening: Symmetrical Variation | |
| Aug 1, 2024 | Heutling | 0–1 | Heck | Round 1: Heutling, Elina - Heck, Norbert | Sicilian Defense: O'Kelly Variation, Yerevan System | |
| Nov 11, 2023 | Vladov | ½–½ | Heck | Deutsche Schnellschach-Amateurmeisterschaft 2023 | King's Indian Attack: Symmetrical Defense | |
| Oct 15, 2023 | Heck | 1–0 | Stock | OSSEM 2022 | Catalan Opening: Open Defense, Classical Line | |
| Oct 14, 2023 | Fleuch | ½–½ | Heck | OSSEM 2022 | Modern Defense: Standard Defense | |
| Oct 13, 2023 | Heck | 1–0 | Gerl | new tournament description | English Opening: Symmetrical Variation, Duchamp Variation | |
| Oct 12, 2023 | Babrikowski | 1–0 | Heck | new tournament description | ? | |
| Oct 11, 2023 | Heck | 1–0 | Wurmb | 31. offene S?chsische Senioren-Einzelmeisterschaft | Catalan Opening: Open Defense, Classical Line | |
| Oct 9, 2023 | Heck | ½–½ | Onasch | 31. offene S?chsische Senioren-Einzelmeisterschaft | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Sep 13, 2023 | Schwickert | ½–½ | Heck | 20. RLP-Senioren-Open | Nimzo-Larsen Attack: Modern Variation | |
| Sep 12, 2023 | Heck | ½–½ | Richter | 20. RLP-Senioren-Open | Zukertort Opening: Sicilian Invitation | |
| Sep 11, 2023 | Schrems | ½–½ | Heck | 20. RLP-Senioren-Open | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Sep 10, 2023 | Heck | ½–½ | Cichy | 20. RLP-Senioren-Open | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| Sep 9, 2023 | Bohnstorff | ½–½ | Heck | 20. RLP-Senioren-Open | East Indian Defense | |
| Sep 8, 2023 | Heck | 1–0 | Wild | 20. RLP-Senioren-Open | King's Indian Attack | |
| Sep 7, 2023 | Lares | ½–½ | Heck | 20. RLP-Senioren-Open | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Sep 6, 2023 | Heck | 1–0 | Bruns | 20. RLP-Senioren-Open | Catalan Opening: Open Defense, Classical Line | |
| Sep 5, 2023 | Ripoll | ½–½ | Heck | 20. RLP-Senioren-Open | Modern Defense | |
| Aug 12, 2022 | Heck | 1–0 | Arndt | 50+ German Senior Championship | Zukertort Opening: Dutch Variation | |
| Jul 22, 2022 | Bashirov | * | Heck | open | ? | |
| Jul 21, 2022 | Heck | * | Waffenschmidt | open | ? | |
| Jul 19, 2022 | Heck | * | Maleki | open | ? | |
| — | Heck | 1–0 | Pekrul | Round 1: Heck, Norbert - Pekrul, Juergen | Catalan Opening: Closed | |
| — | Heck | 1–0 | Schoknecht | Round 3: Heck, Norbert - Schoknecht, Sabine | English Defense | |
| — | Heck | ½–½ | Brettschneider | Round 5: Heck, Norbert - Brettschneider, Karl | Dutch Defense | |
| — | Heck | ½–½ | Siebenhaar | Round 7: Heck, Norbert - Siebenhaar, Erich | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| — | Heck | 1–0 | Cichy | Round 9: Heck, Norbert - Cichy, Michael, Dr. | Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line | |
| — | Schaefer | 1–0 | Heck | Round 2: Schaefer, Martin, Dr. - Heck, Norbert | Modern Defense: Pseudo-Austrian Attack | |
| — | Limbach | ½–½ | Heck | Round 4: Limbach, Torsten - Heck, Norbert | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| — | Schaefer | 0–1 | Heck | Round 6: Schaefer, Bernd - Heck, Norbert | Benoni Defense: Old Benoni | |
| — | Gollasch | 0–1 | Heck | Round 8: Gollasch, Theo-Heinz - Heck, Norbert | King's Indian Defense: Fianchetto Variation, Panno Variation | |