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Marcin Bartoszewicz

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POL · 49 yrs · K=20 · Peak 1946 (Jun 2013)

Best performance: 2074 at VII Miedzynarodowy Turniej Szachowy Gora Sw. Anny - BLITZ(Best of 2014)

World #=25760 live, down 437#25,323 publishedPoland #=788Europe #=14769among active players

Blitz rating

1889

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

On FIDE’s list since May 2013

How live ratings are calculated

Rating History · Blitz

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Blitz rating 1823 to 1889 over the last 12 months; peak 1946 in June 2013.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261856, 0, 0 games1942, +75, 18 games1889, -8, 29 games
Oct 20261856, 0, 0 games1867, 0, 0 games1897, +29, 28 games
Sep 20261856, +7, 9 games1867, 0, 0 games1868, +30, 29 games
Aug 20261849, -16, 9 games1867, +11, 8 games1838, 0, 0 games
Jul 20261865, 0, 0 games1856, -63, 22 games1838, -8, 24 games
Jun 20261865, 0, 0 games1919, -28, 16 games1846, 0, 0 games
May 20261865, 0, 0 games1947, -15, 9 games1846, 0, 0 games
Apr 20261865, 0, 0 games1962, +36, 9 games1846, 0, 0 games
Mar 20261865, 0, 0 games1926, -65, 17 games1846, +13, 12 games
Feb 20261865, -3, 9 games1991, +5, 9 games1833, 0, 0 games
Jan 20261868, 0, 0 games1986, +2, 0 games1833, 0, 0 games
Dec 20251868, 0, 0 games1984, 0, 0 games1833, +10, 15 games

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 12 games, Sep 26 – Oct 17.

From 540 blitz games on record, the latest on Oct 25.

Blitz games since the November list

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

Show gamesLast playedScore
Arche Puchar Polski Amatorow - Pila Blitz OpenOct 25TPR 19908½/13

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

Best wins · Blitz

From 483 rated blitz games against rated opponents, 2013–2026

#OpponentRating
1, FM Krzysztof Banasik, Jul 2015 · XXII Turniej w Kowalewie Pomorskim, 2147
2, Gustaw Siennicki, Oct 2025 · Mistrzostwa Polski w Szachach Blyskawicznych 2025, 2141
3, Krzysztof Kolasinski, Mar 2014 · VII Miedzynarodowy Turniej Szachowy Gora Sw. Anny - BLITZ, 2124

Event timeline · Blitz

10 of 39 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

MonthGamesScoreAvg oppTPR
Oct 2026291618511887
Sep 20262817½17981893
Aug 2026291718171882
Jun 20262411½18541840
Feb 2026127½17741869
Nov 2025158½17921842

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

Rated near Marcin Bartoszewicz · Blitz

World

  1. #=25760Martin Markering1889.0
  2. #=25760Aleksander Kielbratowski1889.0
  3. #=25760Marcin Bartoszewicz1889.0
  4. #=25760Belal Almasri1889.0
  5. #=25760Thi Kim Tuyen Ngo1889.0

Poland

  1. #=786Mariusz Jagodzinski1890.0
  2. #=788Aleksander Kielbratowski1889.0
  3. #=788Marcin Bartoszewicz1889.0
  4. #=788Michal Mikula1889.0
  5. #=788Franciszek Kwiatek1889.0

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