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Jerzy Siek

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POL · 75 yrs · K=20 · Peak 1633 (Sep 2012)

Best performance: 1778 at TURNIEJ: VI FESTIWAL SZACHOWY SWIETOKRZYSKIE 2012(Best of 2012)

World #=166891 live, down 1711#165,180 publishedPoland #=4486

NOV26 Rating

1561

Live Rating

1561.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202615610
Oct 202615610
Sep 202615610
Aug 202615610
Jul 202615610
Jun 20261561-7
May 202615680
Apr 20261568+10
Mar 20261558-3
Feb 20261561-7
Jan 202615680
Dec 20251568-11

Form · Classical

oldest → latest

From 245 classical games on record, the latest on May 3.

Classical games since the November list

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

Last playedScore
Swietokrzyski Festiwal Szachowy 2026 - OPEN BMay 1 – May 3TPR 15041½/7

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

Best wins · Classical

From 167 rated classical games against rated opponents, 2010–2026

#OpponentRating
1, Dimitrios Karaoulanis, IV Międzynarodowe Mistrzostwa Krakowa - OPEN max 2350, Aug 2013, 2012
2, Tomasz Stopka, VI Turniej Szachowy - Ziemi Odrowazow, Apr 2015, 1968
3, Grzegorz Zareba, Druzynowe Mistrzostwa Wojewodztwa Swietokrzyskiego, Feb 2012, 1909

Openings · Classical

From the moves of 16 of 245 classical games on record.

As WhiteOpens 1.f4 in 9 of 9 games.

As BlackMeets 1.e4 with 1...e5.

All openings (1 as White)
Openings in White gamesGamesScore
Bird Opening956%

Event timeline · Classical

1 of 37 events · All years

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 month

2026: 1504 over 4 rated games

MonthGamesScoreAvg oppTPR
May41½15911504

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

Rated near Jerzy Siek · Classical

World

  1. #=166891Zbigniew Pycka1561.0
  2. #=166891Belqis Gunesh1561.0
  3. #=166891Jerzy Siek1561.0
  4. #=166891Jeff Grud1561.0
  5. #=166891Tran Nguyen Kiet1561.0

Poland

  1. #=4471Miroslaw Kowalewski1562.0
  2. #=4486Zbigniew Pycka1561.0
  3. #=4486Jerzy Siek1561.0
  4. #=4486Konrad Wozich1561.0
  5. #=4486Aisha Martin1561.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE