| Jun 26, 2026 | Britse | 1–0 | Rezai | Round 1: Britse, Klas - Rezai, Julius | Modern Defense | |
| Nov 11, 2025 | Britse | * | Viklund | Round 8: Britse, Klas - Viklund, Dick | Sicilian Defense: Kramnik Variation | |
| Sep 9, 2025 | Kumar Praveen | * | Britse | Round 3: Kumar Praveen - Britse, Klas | Indian Defense: Seirawan Attack | |
| May 20, 2025 | Ral Lustig | 1–0 | Britse | Rond 11: Ral Lustig, Melvin - Britse, Klas | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Apr 8, 2025 | Brodin | 0–1 | Britse | Rond 8: Brodin, Leo - Britse, Klas | Sicilian Defense: Grand Prix Attack | |
| Mar 25, 2025 | Britse | 1–0 | Hedin | Rond 7: Britse, Klas - Hedin, Gunnar | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Nov 19, 2024 | Dingertz | 0–1 | Britse | Rond 8: Dingertz, Filip - Britse, Klas | English Opening: Symmetrical Variation, Botvinnik System | |
| May 21, 2024 | Stevense | ½–½ | Britse | Rond 11: Stevense, Johannes - Britse, Klas | Sicilian Defense: Alapin Variation, Barmen Defense | |
| May 7, 2024 | Poorhadi | ½–½ | Britse | Rond 10: Poorhadi, Ehsan - Britse, Klas | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Apr 23, 2024 | Britse | 1–0 | Sandstrom | Rond 9: Britse, Klas - Sandstrom, Fredrik | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Apr 16, 2024 | Fahlman | ½–½ | Britse | Rond 8: Fahlman, Jakob - Britse, Klas | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| — | Britse | 0–1 | Falkevall | Stockholm GP 2024 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| — | Britse | * | Lindblom | S?llskapets H?stturnering 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| — | Ivarsson | 1–0 | Britse | Sällskapets Höstturnering 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
