| Jun 10, 2026 | Guigonis | 1–0 | Staechelin | Round 9: Guigonis, Dominique - Staechelin, Ruedi | King's Gambit Accepted: Breyer Gambit | |
| Jun 9, 2026 | Staechelin | 0–1 | Salvetti | Round 8: Staechelin, Ruedi - Salvetti, Manlio Alec | Ruy Lopez: Classical Variation | |
| Jun 8, 2026 | Bohlin | 0–1 | Staechelin | Round 7: Bohlin, Jan - Staechelin, Ruedi | English Opening: Caro-Kann Defensive System | |
| Jun 7, 2026 | Staechelin | ½–½ | Rooze | Round 6: Staechelin, Ruedi - Rooze, Jan | Sicilian Defense: French Variation | |
| Jun 6, 2026 | Staechelin | 1–0 | Van Garderen | Round 5: Staechelin, Ruedi - Van Garderen, Ton | Pirc Defense: Classical Variation, Schlechter Variation | |
| Jun 5, 2026 | Lederman | 1–0 | Staechelin | Round 4: Lederman, Leon - Staechelin, Ruedi | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jun 4, 2026 | Tedeschi | 0–1 | Staechelin | Round 3: Tedeschi, Luciano - Staechelin, Ruedi | Vienna Game: Falkbeer Variation | |
| Jun 3, 2026 | Staechelin | 0–1 | Boulard | Round 2: Staechelin, Ruedi - Boulard, Eric | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jun 2, 2026 | Mattavelli | 0–1 | Staechelin | Round 1: Mattavelli, Italo - Staechelin, Ruedi | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Nov 1, 2025 | Staechelin | 1–0 | Thjomoe | Round 11: Staechelin, Ruedi - Thjomoe, Hans Richard | Ruy Lopez: Morphy Defense | |
| Oct 28, 2025 | Staechelin | 0–1 | Allakhverdiev | Round 7: Staechelin, Ruedi - Allakhverdiev, Eduard | Elephant Gambit: Paulsen Countergambit | |
| Oct 26, 2025 | Kainz | ½–½ | Staechelin | Round 6: Kainz, Josef - Staechelin, Ruedi | Slav Defense: Chebanenko Variation | |
| Oct 25, 2025 | Staechelin | 0–1 | Blasco | Round 5: Staechelin, Ruedi - Blasco, Domenico | Modern Defense: Pseudo-Austrian Attack | |
| Oct 24, 2025 | Baimurzin | 1–0 | Staechelin | Round 4: Baimurzin, Aitkazy - Staechelin, Ruedi | Réti Opening | |
| Oct 23, 2025 | Staechelin | 0–1 | Roos | Round 3: Staechelin, Ruedi - Roos, Jean-Luc | Sicilian Defense: French Variation, Westerinen Attack | |
| Oct 22, 2025 | Simonsen | ½–½ | Staechelin | Round 2: Simonsen, Carsten - Staechelin, Ruedi | English Opening: Caro-Kann Defensive System | |
| Jul 17, 2025 | Staechelin | 0–1 | Pahud | Round 6: Staechelin, Ruedi - Pahud, Cedric | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 16, 2025 | Radeva | 1–0 | Staechelin | Round 5: Radeva, Viktoria - Staechelin, Ruedi | Scandinavian Defense: Valencian Variation, Main Line | |
| Jul 15, 2025 | Mattenberger | ½–½ | Staechelin | Round 4: Mattenberger, Dominik - Staechelin, Ruedi | Slav Defense: Chebanenko Variation, Advance System | |
| Jul 14, 2025 | Staechelin | 1–0 | Bauer | Round 3: Staechelin, Ruedi - Bauer, Pierre | Sicilian Defense: Closed | |
| Jul 12, 2025 | Staechelin | ½–½ | Gemelli | Round 1: Staechelin, Ruedi - Gemelli,Romain | Ruy Lopez: Exchange Variation, Keres Variation | |
| Jul 21, 2024 | Bagri | ½–½ | Staechelin | Round 9: Bagri, Jaspaul - Staechelin, Ruedi | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jul 20, 2024 | Staechelin | 0–1 | Huss | Round 8: Staechelin, Ruedi - Huss, Andreas | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Jul 19, 2024 | Zuelle | 1–0 | Staechelin | Round 7: Zuelle, Bruno - Staechelin, Ruedi | Slav Defense: Quiet Variation | |
| Jul 18, 2024 | Staechelin | 0–1 | Duerst | Round 6: Staechelin, Ruedi - Duerst, Martin | Ruy Lopez: Schliemann Defense | |
| Jul 17, 2024 | Wirz | 0–1 | Staechelin | Round 5: Wirz, Heinz - Staechelin, Ruedi | Queen's Pawn Game: Accelerated London System | |
| Jul 16, 2024 | Staechelin | ½–½ | Adzic | Round 4: Staechelin, Ruedi - Adzic, Slobodan | Sicilian Defense: Closed, Chameleon Variation | |
| Jul 15, 2024 | Marentini | 1–0 | Staechelin | Round 3: Marentini, Marcel - Staechelin, Ruedi | Réti Opening | |
| Jul 14, 2024 | Staechelin | 0–1 | Hugentobler | Schweizer Einzelmeisterschaft 24 Seniors 60+ | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 4, 2024 | Staechelin | ½–½ | Luginbuehl | Round 1: Staechelin, Ruedi - Luginbuehl, Robert | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| May 12, 2024 | Bowmer | ½–½ | Staechelin | European Senior Team Chess Championship 2024 - Section 65 + | Philidor Defense: Lion Variation | |
| May 7, 2024 | Staechelin | ½–½ | Boudre | European Senior Team Chess Championship 2024 - Section 65 + | Ruy Lopez: Exchange Variation, Keres Variation | |