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Christoffer Undrum

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NOR · 16 yrs · K=40 · Peak 1690 (Nov 2026)

Best performance: 1876 at Rakkestad lordagshurtigsjakk NGP 2026 B(Best of 2026)

World #=80665 live, down 1815#78,850 publishedNorway #=855Europe #=43803among active players

Rapid rating

1690

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

On FIDE’s list since May 2025

How live ratings are calculated

Rating History · Rapid

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Rapid rating 1491 to 1690 since December 2025; peak 1690 in November 2026.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261622, 0, 0 games1690, +55, 11 games1697, 0, 0 games
Oct 20261622, 0, 0 games1635, 0, 0 games1697, 0, 0 games
Sep 20261622, 0, 0 games1635, 0, 0 games1697, 0, 0 games
Aug 20261622, 0, 0 games1635, 0, 0 games1697, 0, 0 games
Jul 20261622, 0, 0 games1635, 0, 0 games1697, 0, 0 games
Jun 20261622, +20, 1 game1635, 0, 0 games1697, +28, 29 games
May 20261602, +8, 2 games1635, 0, 0 games1669, 0, 0 games
Apr 20261594, -16, 1 game1635, 0, 0 games1669, 0, 0 games
Mar 20261610, +18, 4 games1635, 0, 0 games1669, 0, 0 games
Feb 20261592, +2, 3 games1635, +54, 6 games1669, +74, 12 games
Jan 20261590, -32, 5 games1581, +90, 11 games1595, -17, 12 games
Dec 20251622, +14, 2 games1491, 5 games1612, -3, 14 games

Form · Rapid

oldest → latest

Longest unbeaten run in 2026: 7 games, Oct 17 – Oct 18.

From 65 rapid games on record, the latest on Oct 18.

Rapid games since the November list

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

Show gamesLast playedScore
Rakkestad sondagshurtigsjakk NGP 2026 BOct 18TPR 16523½/6

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

Best wins · Rapid

From 61 rated rapid games against rated opponents, 2025–2026

#OpponentRating
1, Harry Andersen, Jan 2026 · 1016 Norges Grand Prix 2026, 1805
2, Xhafe Berisha, 2 wins, Nov 2025 · Sarpsborg SK klubbmesterskap hurtigsjakk 2025, 1743
3, Beqir Jashari, Dec 2025 · Sarpsborg SK klubbmesterskap hurtigsjakk 2025, 1718

Event timeline · Rapid

12 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
2026171116331743
20254413½16861545

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

Rated near Christoffer Undrum · Rapid

World

  1. #=80665Sebastian Dario Lopez1690.0
  2. #=80665Anders Lervik1690.0
  3. #=80665Christoffer Undrum1690.0
  4. #=80665Kristoffer Blaauw1690.0
  5. #=80665Belen Esquivel1690.0

Norway

  1. #=855Leif Tidemann-Andersen1690.0
  2. #=855Anders Lervik1690.0
  3. #=855Christoffer Undrum1690.0
  4. #=855Kristoffer Blaauw1690.0
  5. #=860Rajev Thapar1689.0

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