| 15 ago 2026 | Karlsson, Stefan 2005 2088 | Akesson, Ralf 2317 | 0-1 | A05 Apertura Zukertort: Nimzo-Larsen Variation | West Coast Chess Open by Mediegymnasiet 2026 | 29 | Ver |
| 15 ago 2026 | Karlsson, Stefan 2005 2088 | Tornberg, Carlos 2172 | 1-0 | A05 Apertura Zukertort: Nimzo-Larsen Variation | West Coast Chess Open by Mediegymnasiet 2026 | 47 | Ver |
| 8 mar 2026 | Karlsson, Stefan 2005 2113 | Jaderberg, Bjorn 2059 | 0-1 | A05 Apertura Zukertort: Nimzo-Larsen Variation | Rond 9: Karlsson, Stefan 2005 - Jaderberg, Bjorn | 47 | Ver |
| 26 sep 2025 | Karlsson, Stefan 2005 2170 | Fors, Klas 2070 |