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Adam Sieczkowski

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POL · 21 yrs · K=20 · Peak 1991 (Feb 2026)

Best performance: 2511 at 2025 British Championship: First Blitz Open(Best of 2025)

World #17953 live, down 827#17,126 publishedPoland #554Europe #10505among active players

NOV26 Rating

1966

Live Rating

1960.2

Change

-5.8

Games Played

1

How live ratings are calculated

Rating History · Blitz

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Blitz rating 1975 to 1966 over the last 12 months; peak 1991 in February 2026.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20262098, 0, 0 games1911, 0, 0 games1966, 0, 0 games
Oct 20262098, 0, 0 games1911, 0, 0 games1966, +1, 0 games
Sep 20262098, 0, 0 games1911, 0, 0 games1965, 0, 0 games
Aug 20262098, +23, 9 games1911, 0, 0 games1965, 0, 0 games
Jul 20262075, +44, 9 games1911, 0, 0 games1965, -25, 22 games
Jun 20262031, +19, 2 games1911, 0, 0 games1990, 0, 0 games
May 20262012, 0, 0 games1911, 0, 0 games1990, 0, 0 games
Apr 20262012, 0, 0 games1911, 0, 0 games1990, 0, 0 games
Mar 20262012, +19, 5 games1911, 0, 0 games1990, -1, 0 games
Feb 20261993, -15, 9 games1911, 0, 0 games1991, +16, 11 games
Jan 20262008, 0, 0 games1911, 0, 0 games1975, 0, 0 games
Dec 20252008, +50, 14 games1911, +44, 8 games1975, 0, 0 games

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 5 games, Jan 1 – Jun 19.

From 138 blitz games on record, the latest on Nov 11.

Blitz games since the November list

TournamentScoreChange
TURNIEJ NIEPODLEGŁOSĆI 2026 - gr. ANov 11TPR 13270/1-5.8

Best wins · Blitz

From 134 rated blitz games against rated opponents, 2016–2026

#OpponentRating
1, Jakub Janeczko, Jun 2026 · BLITZOMANIA w Twierdzy Mokotow GRAND PRIX - Turniej 4, 2268
2, IM Supratit Banerjee, Aug 2025 · 2025 British Championship: First Blitz Open, 2233
3, Livio Cancedda-Dupuis, Aug 2025 · 2025 British Championship: First Blitz Open, 2211

Event timeline · Blitz

13 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
2026341819381959
20253622½20242119
2018241415351592
20173218½14441501
201685½15631704

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

Recent opponents · Blitz

Fabio Angelo Pellizzieri

Rated near Adam Sieczkowski · Blitz

World

  1. #=17951FM Sebastian Alonso Ortiz Menacho1960.4
  2. #=17951Gleb Netesa1960.4
  3. #17953Adam Sieczkowski1960.2
  4. #=17954Peter Jaker Ngabijainitho1960.0
  5. #=17954CM Milan Lama1960.0

Poland

  1. #=552Jakub Herka1961.0
  2. #=552Hubert Olbrycht1961.0
  3. #554Adam Sieczkowski1960.2
  4. #555Kamil Chaczynski1960.0
  5. #=556Kamil Mlynarski1959.0

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