23 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Jonsdottir, Halldora | Valsson, Nokkvi Mar | 1-0 | B50 | Landsmótið à skólaskák 2026 | 2026-05-10 |
| Jonsdottir, Halldora | Ernisson, Petur Ulfar | 0-1 | B72 | Landsmótið à skólaskák 2026 | 2026-05-09 |
| Jonsdottir, Halldora | Leosson, Haukur Vidis | 0-1 | C01 | Landsmótið à skólaskák 2026 | 2026-05-09 |
| Jonsdottir, Halldora | Alva Ãye-Strømberg | 1-0 | C09 | Nordic girls chess championship 2026 | 2026-04-26 |
| Jonsdottir, Halldora | Tomasdottir, Emilia Klara | 1-0 | C42 | Nordic girls chess championship 2026 | 2026-04-24 |
| Jonsdottir, Halldora | Tomasdottir, Katrin Osk | 1-0 | B49 | Islandsmót kvenna 2026 | 2026-02-08 |
| Jonsdottir, Halldora | Tomasdottir, Emilia Klara | 1-0 | B00 | Islandsmót kvenna 2026 | 2026-02-07 |
| Jonsdottir, Halldora | Jonsdottir, Thora Kristin | 1-0 | C57 | Islandsmót kvenna 2026 | 2026-02-06 |
| Jonsdottir, Halldora | Zhong, Qianru | 1/2-1/2 | B33 | NM Piger Gruppe C | 2025-04-27 |
| Jonsdottir, Halldora | Chen, Isabella | 1-0 | C50 | NM Piger Gruppe C | 2025-04-26 |