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Izydor Kedziera

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POL · 65 yrs · K=20 · Peak 1666 (Aug 2024)

Best performance: 1684 at XX MIEDZYNARODOWY FESTIWAL SZACHOWY PERLA BALTYKU - GRUPA C(Best of 2024)

World #=147730 live, down 2236#145,494 publishedPoland #=3762Europe #=98815among active players

Classical rating

1610

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

On FIDE’s list since Sep 2011

How live ratings are calculated

Rating History · Classical

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Classical rating 1651 to 1610 over the last 12 months; peak 1666 in August 2024.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261610, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Oct 20261610, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Sep 20261610, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Aug 20261610, -26, 8 games1605, 0, 0 games1644, 0, 0 games
Jul 20261636, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Jun 20261636, 0, 0 games1605, 0, 0 games1644, 0, 0 games
May 20261636, -15, 3 games1605, 0, 0 games1644, 0, 0 games
Apr 20261651, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Mar 20261651, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Feb 20261651, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Jan 20261651, 0, 0 games1605, 0, 0 games1644, 0, 0 games
Dec 20251651, 0, 0 games1605, 0, 0 games1644, 0, 0 games

Form · Classical

oldest → latest

Longest unbeaten run in 2026: 4 games, Apr 25 – Apr 26.

From 150 classical games on record, the latest on Jun 28.

Classical games since the November list

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

Last playedScore
XXII MIEDZYNARODOWY FESTIWAL SZACHOWY PERLA BALTYKU - GRUPA CJun 28 – Jul 6TPR 15273½/9

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

Best wins · Classical

From 116 rated classical games against rated opponents, 2007–2026

#OpponentRating
1, Ireneusz Lada, Jul 2014 · X Miedzynarodowy Jubileuszowy Festiwal Szachowy -Perla Bałtyku - Grupa B, 1990
2, Joanna Jurkiewicz, Jul 2014 · X Miedzynarodowy Jubileuszowy Festiwal Szachowy -Perla Bałtyku - Grupa B, 1799
3, Krzysztof Dluzynski, Jul 2024 · XX MIEDZYNARODOWY FESTIWAL SZACHOWY PERLA BALTYKU - GRUPA C, 1745

Openings · Classical

From the moves of 14 of 150 classical games on record.

As WhiteOpens 1.e4 in 6 of 6 games.

As BlackMeets 1.e4 with 1...d6.

All openings (1 as White, 1 as Black)
Openings in White gamesGamesScore
Ruy Lopez475%

2 more games in openings played fewer than 3 times.

Event timeline · Classical

19 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
2026114½15711506
202572½16991597
20249417271684
202393½16891609
202262½14201363
202193½15901510
20197314921442
201853½11601309
2016113½13931260
201414416361478
20136314471447
20128216901497
201112515841527
2007201768—

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

Rated near Izydor Kedziera · Classical

World

  1. #=147730Molefe Thapelo1610.0
  2. #=147730Dambe Lamodimo1610.0
  3. #=147730Izydor Kedziera1610.0
  4. #=147730Adam Zebrowski1610.0
  5. #=147730Hussein Siddig Mohamed1610.0

Poland

  1. #=3752Kajetan Musz1611.0
  2. #=3752Gabriel Kalka1611.0
  3. #=3762Izydor Kedziera1610.0
  4. #=3762Adam Zebrowski1610.0
  5. #=3762Michal Daniszewski1610.0

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