36 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Tomasdottir, Katrin Osk | Tran, Anh Hai | 0-1 | E20 | U2000 mót TR 2026 | 2026-09-30 |
| Tomasdottir, Katrin Osk | Helgadottir, Idunn | 0-1 | D43 | Haustmót TR 2026 | 2026-09-19 |
| Tomasdottir, Katrin Osk | Leosson, Haukur Vidis | 0-1 | D37 | Landsmótið à skólaskák 2026 | 2026-05-10 |
| Tomasdottir, Katrin Osk | Valsson, Nokkvi Mar | 1-0 | A32 | Landsmótið à skólaskák 2026 | 2026-05-10 |
| Tomasdottir, Katrin Osk | Jonsdottir, Halldora | 0-1 | D37 | Landsmótið à skólaskák 2026 | 2026-05-09 |
| Tomasdottir, Katrin Osk | Skibina, Miroslava | 1-0 | D31 | Nordic girls chess championship 2026 | 2026-04-26 |
| Tomasdottir, Katrin Osk | Zhu, Stella | 0-1 | D37 | Nordic girls chess championship 2026 | 2026-04-25 |
| Tomasdottir, Katrin Osk | Jonsdottir, Thora Kristin | 1-0 | E12 | Islandsmót kvenna 2026 | 2026-02-07 |
| Tomasdottir, Katrin Osk | Skibina, Miroslava | 1-0 | D31 | Islandsmót kvenna 2026 | 2026-02-06 |
| Tomasdottir, Katrin Osk | Jonsdottir, Halldora | 0-1 | D53 | NM Piger Gruppe C | 2025-04-27 |
| Tomasdottir, Katrin Osk | Jacobsen, Ane Elisabeth | 0-1 | A84 | NM Piger Gruppe C | 2025-04-26 |
| Tomasdottir, Katrin Osk | Bjerregaard Hagen, Vilje | 1-0 | D37 | NM Piger Gruppe C | 2025-04-25 |
| Tomasdottir, Katrin Osk | Pervent, Louis | 1/2-1/2 | D51 | Round 5: Tomasdottir, Katrin Osk - Pervent, Louis | 2025-03-23 |
| Tomasdottir, Katrin Osk | Andhurthi, Sreeyan | 0-1 | A59 | Round 3: Tomasdottir, Katrin Osk - Andhurthi, Sreeyan | 2025-03-22 |
| Tomasdottir, Katrin Osk | Norris, Zack | 0-1 | E61 | Round 1: Tomasdottir, Katrin Osk - Norris, Zack | 2025-03-21 |
| Tomasdottir, Katrin Osk | Gan, Wei En Justin | 0-1 | E21 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Tomasdottir, Katrin Osk | Harpsoe, Naya | 1/2-1/2 | E21 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Tomasdottir, Katrin Osk | Maurstad, Anker Moe | 0-1 | D15 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Tomasdottir, Katrin Osk | Anuzyte, Soja | 1-0 | E70 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Tomasdottir, Katrin Osk | Campos Frias, Mateo Alfredo | 1-0 | D15 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 |