| 28 abr 2026 | Einarsson, Halldor Gretar 2173 | Kostenko, Petr 2338 | 0-1 | E00 Catalan Opening | FIDE World Senior Team Championships 2026 - Senior 50+ | 37 | Ver |
| 26 abr 2026 | Einarsson, Halldor Gretar 2173 | Ledger, Dave J 2126 | 1-0 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | FIDE World Senior Team Championships 2026 - Senior 50+ | 45 | Ver |
| 25 abr 2026 | Emms, John M 2419 | Einarsson, Halldor Gretar 2173 | 1-0 | C41 Philidor Defense: Lion Variation | FIDE World Senior Team Championships 2026 - Senior 50+ | 27 | Ver |
| 23 abr 2026 | Einarsson, Halldor Gretar 2173 | Dahl, Fredrik A 2172 | 0-1 | A58 Benko Gambit Accepted: Fully Accepted Variation | FIDE World Senior Team Championships 2026 - Senior 50+ | 71 | Ver |
| 8 mar 2026 | Einarsson, Halldor Gretar 2174 | Thorsteinsson, Thorsteinn 2221 | ½-½ | E00 Catalan Opening | Icelandic team chess championship premier league | 32 | Ver |
| 7 mar 2026 | Prudnikov, Andrey 2121 | Einarsson, Halldor Gretar 2174 | 0-1 | C41 Philidor Defense: Lion Variation, Shirov Gambit | Icelandic team chess championship premier league | 41 | Ver |
| 7 mar 2026 | Gunnarsson, Jon Viktor 2434 | Einarsson, Halldor Gretar 2174 | 1-0 | C41 Philidor Defense: Lion Variation | Icelandic team chess championship premier league | 31 | Ver |
| 5 mar 2026 | Einarsson, Halldor Gretar 2174 | Bjornsson, Sigurbjorn 2277 | 0-1 | E83 King's Indian Defense: Sämisch Variation, Yates Defense | Icelandic team chess championship premier league | 26 | Ver |
| 28 ene 2026 | Briem, Benedikt 2244 | Einarsson, Halldor Gretar 2170 | 1-0 | A48 East Indian Defense | Skákþing Reykjavíkur 2026 | 58 | Ver |
| 14 ene 2026 | Skarphedinsson, Ingvar Wu 2091 | Einarsson, Halldor Gretar 2170 | ½-½ | D92 Grünfeld Defense: Three Knights Variation, Hungarian Attack | Skákþing Reykjavíkur 2026 | 28 | Ver |
| 7 ene 2026 | Einarsson, Halldor Gretar 2170 | Ragnarsson, Dagur 2363 | 0-1 | D02 Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | Skákþing Reykjavíkur 2026 | 49 | Ver |