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Jan Grondkowski

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POL · 15 yrs · K=40 · Peak 1559 (Aug 2025)

Best performance: 1528 at Turniej o Puchar Koziolka Lubelskiego (FIDE)(Best of 2025)

World #=315610Poland #=12055among all players, November list

Rapid rating

1559

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

On FIDE’s list since Jul 2025 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Rapid

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Rapid rating 1547 to 1559 over the last 12 months; peak 1559 in August 2025.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Oct 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Sep 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Aug 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Jul 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Jun 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
May 20261586, 0, 0 games1559, 0, 0 games1502, 0, 0 games
Apr 20261586, 0, 0 games1559, +12, 0 games1502, +1, 0 games
Mar 20261586, 0, 0 games1547, -11, 0 games1501, -1, 0 games
Feb 20261586, 0, 0 games1558, -1, 0 games1502, 0, 0 games
Jan 20261586, 0, 0 games1559, +12, 0 games1502, +1, 0 games
Dec 20251586, 0, 0 games1547, 0, 0 games1501, 0, 0 games

Form · Rapid

oldest → latest

From 18 rapid games on record, the latest on Jun 14, 2025.

Rapid games since the November list

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

Show gamesLast playedScore
Turniej o Puchar Koziolka Lubelskiego (FIDE)Jun 14, 2025TPR 15286/11

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

Best wins · Rapid

From 8 rated rapid games against rated opponents, 2022–2025

#OpponentRating
1, Franciszek Kaczan, Jun 2025 · Turniej o Puchar Koziolka Lubelskiego (FIDE), 1479*

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

Event timeline · Rapid

2 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
202561½17211528
20222½1358—

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

Rated near Jan Grondkowski · Rapid · November list, all players

World

  1. #=315610Michel Grezels1559
  2. #=315610Jeannick Grondin1559
  3. #=315610Jan Grondkowski1559
  4. #=315610Aref Groohi1559
  5. #=315610Serena Rita Guariglia1559

Poland

  1. #=12055Rafal Stuglik1559
  2. #=12055Robert Dudzik1559
  3. #=12055Jan Grondkowski1559
  4. #=12055Cezary Seczek1559
  5. #=12055Piotr Szelc1559

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

Jan Grondkowski: Live FIDE Rating 1586