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Halvor Isachsen

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NOR · 29 yrs · K=20 · Peak 1738 (Mar 2024, includes FIDE’s rating adjustment)

Best performance: 1864 at Asker Schakklubbs Klubbmesterskap i hurtigsjakk 2023(Best of 2023)

World #=184916Norway #=1967among all players, November list

Rapid rating

1704

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Sep 2021 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Rapid

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Rapid rating unchanged at 1704 over the last 12 months; peak 1738 in March 2024.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Oct 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Sep 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Aug 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Jul 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Jun 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
May 20261727, 0, 0 games1704, 0, 0 games1813, 0, 0 games
Apr 20261727, -2, 1 game1704, 0, 0 games1813, 0, 0 games
Mar 20261729, -8, 1 game1704, 0, 0 games1813, +1, 0 games
Feb 20261737, +8, 1 game1704, 0, 0 games1812, 0, 0 games
Jan 20261729, +3, 1 game1704, 0, 0 games1812, 0, 0 games
Dec 20251726, -7, 1 game1704, 0, 0 games1812, 0, 0 games

Form · Rapid

oldest → latest

From 108 rapid games on record, the latest on Oct 18, 2025.

Rapid games since the November list

No rated rapid games this rating periodsince the NOV26 list (Nov 1, 2026)

Show gamesLast playedScore
Gratis turnering Gronland Boulebar 2025 - hurtigsjakkOct 18, 2025TPR 17343/6

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Rapid

From 91 rated rapid games against rated opponents, 2021–2025

#OpponentRating
1, Pal Agdestein, Aug 2021 · Asker Sommerhurtig 2021, 1975
2, William Arntzen Walgren, May 2024 · Barumsrappen #5 Grand Prix A, 1888
3, Espen Loken, Oct 2025 · Gratis turnering Gronland Boulebar 2025 - hurtigsjakk, 1858

Event timeline · Rapid

18 events

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 year

YearGamesScoreAvg oppTPR
202515716821661
2024241416451702
2023181016011644
202117915341555

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

Rated near Halvor Isachsen · Rapid · November list, all players

World

  1. #=184916Constantinos Ioannou1704
  2. #=184916George-Matei Iordachescu1704
  3. #=184916Halvor Isachsen1704
  4. #=184916Isameldin Mohamed Rabah1704
  5. #=184916Alexandre Itier1704

Norway

  1. #=1967Tor Ivar Stakkevold1704
  2. #=1967Demian Felix Wessel1704
  3. #=1967Halvor Isachsen1704
  4. #=1967Sindre Kjenstad1704
  5. #=1967Stian Sandberg1704

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