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Krzysztof Ostrowski

POL · 16 yrs · K=40 · Peak 1601 (Nov 2026)

Best performance: 1781 at XXXI Międzynarodowy Całoroczny Festiwal Szachowy im. Józefa Dominika T1 Gr A(Best of 2026)

World #=151168 live, down 2123#149,045 publishedPoland #=3893

Classical rating

1601

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

On FIDE’s list since Jul 2022

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Nov 20261601+65
Oct 202615360
Sep 202615360
Aug 202615360
Jul 202615360
Jun 202615360
May 202615360
Apr 20261536-13
Mar 202615490
Feb 20261549-5
Jan 202615540
Dec 202515540

Form · Classical

oldest → latest

Unbeaten in the last 4 games (2 wins, 2 draws), since Oct 4. That is the longest unbeaten run of 2026.

From 53 classical games on record, the latest on Oct 4.

Classical games since the November list

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

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

Best wins · Classical

From 37 rated classical games against rated opponents, 2022–2026

#OpponentRating
1, Mateusz Marek, Oct 2026 · XXXI Międzynarodowy Całoroczny Festiwal Szachowy im. Józefa Dominika T1 Gr A, 1730
2, Rafal Zagorski, May 2024 · XXXIV Miedzynarodowe Szachowe Mistrzostwa Malopolski - Grupa D, 1699
3, Dawid Poradzisz, Oct 2026 · XXXI Międzynarodowy Całoroczny Festiwal Szachowy im. Józefa Dominika T1 Gr A, 1633

Event timeline · Classical

9 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
2026104½16801644
20255315231595
202473½16161616
20239412901247
202262½11221065

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

Rated near Krzysztof Ostrowski · Classical

World

  1. #=151168Lukasz Stempak1601.0
  2. #=151168Adrian Grzywa1601.0
  3. #=151168Krzysztof Ostrowski1601.0
  4. #=151168Jakub Wirecki1601.0
  5. #=151168Vasilios Lazos1601.0

Poland

  1. #=3893Lukasz Stempak1601.0
  2. #=3893Adrian Grzywa1601.0
  3. #=3893Krzysztof Ostrowski1601.0
  4. #=3893Jakub Wirecki1601.0
  5. #=3893Sebastian Nowak1601.0

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