| Jul 24, 2026 | Schliesser | 1–0 | Pfyffer | Round 5: Schliesser, Benjamin - Pfyffer, Leonidas | Scotch Game: Lolli Variation | |
| Jul 24, 2026 | Pfyffer | 0–1 | Schliesser | Round 5: Pfyffer, Leonidas - Schliesser, Benjamin | Polish Opening: Czech Defense | |
| Jul 24, 2026 | Pfyffer | ½–½ | Schliesser | Round 5: Pfyffer, Leonidas - Schliesser, Benjamin | Italian Game: Paris Defense | |
| Jul 23, 2026 | Pfyffer | 0–1 | Studer | Round 4: Pfyffer, Leonidas - Studer, Jonas | Pirc Defense: Classical Variation | |
| Jul 23, 2026 | Studer | 0–1 | Pfyffer | Round 4: Studer, Jonas - Pfyffer, Leonidas | King's Knight Opening: Konstantinopolsky | |
| Jul 23, 2026 | Studer | ½–½ | Pfyffer | Round 4: Studer, Jonas - Pfyffer, Leonidas | Queen's Pawn Game | |
| Jul 22, 2026 | Pfyffer | 1–0 | Theubet | Round 3: Pfyffer, Leonidas - Theubet, Capucine | Italian Game | |
| Jul 22, 2026 | Theubet | 0–1 | Pfyffer | Round 3: Theubet, Capucine - Pfyffer, Leonidas | Four Knights Game: Scotch Variation Accepted | |
| Jul 22, 2026 | Pfyffer | 1–0 | Theubet | Round 3: Pfyffer, Leonidas - Theubet, Capucine | Polish Opening | |
| Jul 21, 2026 | Pfyffer | 0–1 | Hochstrasser | Round 2: Pfyffer, Leonidas - Hochstrasser, Sylvain | Italian Game: Anti-Fried Liver Defense | |
| Jul 21, 2026 | Hochstrasser | 1–0 | Pfyffer | Round 2: Hochstrasser, Sylvain - Pfyffer, Leonidas | Queen's Pawn Game: London System | |
| Jul 21, 2026 | Hochstrasser | 1–0 | Pfyffer | Round 2: Hochstrasser, Sylvain - Pfyffer, Leonidas | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jul 20, 2026 | Pfyffer | 0–1 | Lampart | Round 1: Pfyffer, Leonidas - Lampart, Alfons | Sicilian Defense: Sozin Attack | |
| Jul 20, 2026 | Pfyffer | 0–1 | Lampart | Round 1: Pfyffer, Leonidas - Lampart, Alfons | Sicilian Defense: Sozin Attack, Leonhardt Variation | |
| Jul 20, 2026 | Lampart | 1–0 | Pfyffer | Round 1: Lampart, Alfons - Pfyffer, Leonidas | Tarrasch Defense: Two Knights Variation | |