Compare

Katrin Osk Tomasdottir

ISL · 12 yrs · K=40 · Peak 1693 (Sep 2026)

Best performance: 1862 at TR Blitz 2025 August #3(Best of 2025)

World #=77544 live, down 2614#74,930 publishedIceland #350Europe #=39065#10 U12 in Icelandamong active players

NOV26 Rating

1604

Live Rating

1600.8

Change

-3.2

Games Played

6

How live ratings are calculated

Rating History · Blitz

Loading chart…

Blitz rating 1561 to 1604 over the last 12 months; peak 1693 in September 2026.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassicalRapidBlitz
Nov 20261646, +32, 7 games1648, +107, 10 games1604, -32, 14 games
Oct 20261614, +96, 12 games1541, 0, 0 games1636, -57, 10 games
Sep 20261518, -26, 10 games1541, -32, 5 games1693, +30, 18 games
Aug 20261544, +28, 5 games1573, 0, 0 games1663, +66, 22 games
Jul 20261516, -8, 3 games1573, +51, 10 games1597, -7, 22 games
Jun 20261524, +20, 4 games1522, -64, 18 games1604, -5, 11 games
May 20261504, +59, 15 games1586, -22, 3 games1609, -49, 15 games
Apr 20261445, -5, 0 games1608, -79, 5 games1658, +66, 22 games
Mar 20261450, +16, 6 games1687, +23, 5 games1592, -20, 11 games
Feb 20261434, -6, 4 games1664, +125, 6 games1612, +19, 13 games
Jan 20261440, -24, 2 games1539, 20 games1593, +46, 44 games
Dec 20251464, -6, 1 gameunrated1547, -14, 15 games

Form · Blitz

oldest → latest

Unbeaten in the last 3 games (2 wins, 1 draw), since Nov 8. Longest unbeaten run in 2026: 7 games, Jul 9 – Jul 16.

From 588 blitz games on record, the latest on Nov 8.

Blitz games since the November list

Show gamesTournamentScoreChange
Hradskakmot Gardabaejar 2026Nov 8TPR 16394½/9-3.2

Best wins · Blitz

From 454 rated blitz games against rated opponents, 2024–2026

#OpponentRating
1, Thorsteinn Jakob F Thorsteinsson, Jul 2026 · Júlí-mót Hauka, 1949
2, WCM Idunn Helgadottir, Aug 2025 · Borgarskakmotid 2025, 1918
3, Orvar Holm Brynjarsson, Apr 2026 · Paskahradskakmot TR, 1870

* No blitz rating yet, so FIDE rates the game at the player's classical rating.

Event timeline · Blitz

33 of 69 events · All years

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by month

MonthGamesScoreAvg oppTPR
Nov 202661½18321639
Oct 202673½16261626
Sep 202613418361695
Aug 20262912½17351685
Jul 20262210½17361722
Jun 2026227½17411624
May 20265315931665
Apr 202621916531603
Mar 2026221017081672
Feb 2026113½17441611
Jan 202613517781691
Dec 2025441517881671
Nov 202515417751600

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Recent opponents · Blitz

Rated near Katrin Osk Tomasdottir · Blitz

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.