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Thomas Groot-Koerkamp

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ROU · 23 yrs · K=20 · Peak 1641 (By Nov 2025)

Best performance: 1654 at My Continental Sibiu Summer Chess Festival - Blitz(Best of 2026)

World #=79389 live, down 1419#77,970 publishedRomania #=912Europe #=39861among active players

Blitz rating

1591

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

On FIDE’s list since Nov 2025

How live ratings are calculated

Rating History · Blitz

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Blitz rating 1641 to 1591 over the last 12 months; peak 1641 by November 2025.

Official rating by month

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

ListBlitz
Nov 20261591, -31, 9 games
Oct 20261622, 0, 0 games
Sep 20261622, 0, 0 games
Aug 20261622, 0, 0 games
Jul 20261622, +1, 7 games
Jun 20261621, 0, 0 games
May 20261621, +3, 8 games
Apr 20261618, +1, 0 games
Mar 20261617, 0, 0 games
Feb 20261617, -2, 0 games
Jan 20261619, -22, 4 games
Dec 20251641, 0, 0 games

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 3 games, Apr 18 – Jun 14.

From 44 blitz games on record, the latest on Oct 3.

Blitz games since the November list

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

Last playedScore
World Teacher Day SibiuOct 3TPR 14904½/10

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

Best wins · Blitz

From 34 rated blitz games against rated opponents, 2025–2026

#OpponentRating
1, Andrei-Maximilian Radu, Apr 2026 · Shopping City Sibiu - Spring Festival A, 1612
2, Sofia-Maria Popa, Jun 2026 · My Continental Sibiu Summer Chess Festival - Blitz, 1565
3, Darin-Gabriel Stere, Apr 2026 · Shopping City Sibiu - Spring Festival A, 1545

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

Event timeline · Blitz

5 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
2026241215901590
202510415771505

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

Rated near Thomas Groot-Koerkamp · Blitz

World

  1. #=79389Georgia Malamousi1591.0
  2. #=79389David-Andrei Calotescu1591.0
  3. #=79389Thomas Groot-Koerkamp1591.0
  4. #=79389Asef Palvan1591.0
  5. #=79389Arad Mirzaei1591.0

Romania

  1. #911Alexandru-Valentin Cernat1591.2
  2. #=912David-Andrei Calotescu1591.0
  3. #=912Thomas Groot-Koerkamp1591.0
  4. #=914Eugeniu Cristescu1590.0
  5. #=914Marius Alexe1590.0

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