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Sebastian Kazmierczak

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POL · 24 yrs · K=40 · Peak 1671 (May 2026)

Best performance: 1754 at X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A(Best of 2026)

World #=124254 live, down 2255#121,999 publishedPoland #=3003Europe #=85617among active players

Classical rating

1671

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

On FIDE’s list since Mar 2026

How live ratings are calculated

Rating History · Classical

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Classical rating 1562 to 1671 since March 2026; peak 1671 in May 2026.

Official rating by month

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

ListClassical
Nov 20261671, 0, 0 games
Oct 20261671, 0, 0 games
Sep 20261671, 0, 0 games
Aug 20261671, 0, 0 games
Jul 20261671, 0, 0 games
Jun 20261671, 0, 0 games
May 20261671, +109, 9 games
Mar 20261562, 8 games

Classical games since the November list

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

Show gamesLast playedScore
X Mistrzostwa Kalisza w Szachach Klasycznych Grupa AApr 25 – Apr 26TPR 17543/5

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

Best wins · Classical

From 9 rated classical games against rated opponents, 2025–2026

#OpponentRating
1, Filip Krzeszewski, Apr 2026 · X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A, 1759
2, Piotr Blonski, Apr 2026 · X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A, 1664
3, Mateusz Maryniak, Apr 2026 · X Mistrzostwa Kalisza w Szachach Klasycznych Grupa A, 1619

Event timeline · Classical

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
202541½16041517

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

Rated near Sebastian Kazmierczak · Classical

World

  1. #=124254Meryam Fayez Emad1671.0
  2. #=124254Herve Mattan1671.0
  3. #=124254Sebastian Kazmierczak1671.0
  4. #=124254Mateusz Gebka1671.0
  5. #=124254Jose Abelardo Carmona Vargas1671.0

Poland

  1. #=3003Pawel Janiak1671.0
  2. #=3003Kaja Dmitrowska1671.0
  3. #=3003Sebastian Kazmierczak1671.0
  4. #=3003Mateusz Gebka1671.0
  5. #=3003Dziamid Rekets1671.0

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