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Kacper Boguszewski

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POL · 15 yrs · K=40 · Peak 1736 (Oct 2024)

Best performance: 1834 at Mistrzostwa Wojewodztwa Podlaskiego Juniorow 2024 - C14(Best of 2024)

World #=125062 live, down 1950#123,112 publishedPoland #=3030Europe #=86053among active players

Classical rating

1668

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

On FIDE’s list since Apr 2021

How live ratings are calculated

Rating History · Classical

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Classical rating 1680 to 1668 over the last 12 months; peak 1736 in October 2024.

Official rating by month

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

ListClassicalRapidBlitz
Nov 20261668, -6, 4 games1762, 0, 0 games1748, 0, 0 games
Oct 20261674, 0, 0 games1762, 0, 0 games1748, 0, 0 games
Sep 20261674, 0, 0 games1762, 0, 0 games1748, 0, 0 games
Aug 20261674, 0, 0 games1762, +69, 11 games1748, +129, 12 games
Jul 20261674, 0, 0 games1693, +57, 9 games1619, 0, 0 games
Jun 20261674, 0, 0 games1636, 0, 0 games1619, 0, 0 games
May 20261674, 0, 0 games1636, 0, 0 games1619, 0, 0 games
Apr 20261674, -5, 0 games1636, 0, 0 games1619, +1, 0 games
Mar 20261679, 0, 0 games1636, 0, 0 games1618, -1, 0 games
Feb 20261679, -1, 0 games1636, 0, 0 games1619, 0, 0 games
Jan 20261680, 0, 0 games1636, -27, 6 games1619, +1, 0 games
Dec 20251680, 0, 0 games1663, 0, 0 games1618, 0, 0 games

Form · Classical

oldest → latest

Unbeaten in the last 2 games (2 wins), since Oct 18. That is the longest unbeaten run of 2026.

From 229 classical games on record, the latest on Oct 18.

Classical games since the November list

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

Last playedScore
Drużynowe Mistrzostwa Województwa Podlaskiego Juniorów w Szachach 2026Oct 17 – Oct 18TPR 16503/5

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

Best wins · Classical

From 172 rated classical games against rated opponents, 2019–2026

#OpponentRating
1, Milosz Madejski, Jun 2025 · Druzynowe Mistrzostwa Polski Juniorow - II Liga 2025, 1889
2, Wojciech Grabowski, Jul 2024 · VIII Miedzynarodowy Memorial Ireny Warakomskiej - OPEN B, 1814
3, Jakub Pojawa, Jul 2024 · VIII Miedzynarodowy Memorial Ireny Warakomskiej - OPEN B, 1768

Openings · Classical

From the moves of 9 of 229 classical games on record.

As WhiteOpens 1.e4 in 4 of 4 games.

All openings (1 as Black)
Openings in Black gamesGamesScore
Sicilian Defense333%

2 more games in openings played fewer than 3 times.

Event timeline · Classical

30 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
20264216501650
20252712½17071678
20242713½17521752
2023291214101345
2022157½12981298
20201921291940
20191411156734

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

Rated near Kacper Boguszewski · Classical

World

  1. #=125062Joel Facon1668.0
  2. #=125062Paul L King1668.0
  3. #=125062Kacper Boguszewski1668.0
  4. #=125062Paulo Regis Venter1668.0
  5. #=125062Rahysa Leal Heck1668.0

Poland

  1. #=3030Hanna Bartczak1668.0
  2. #=3030Lech Olencewicz1668.0
  3. #=3030Kacper Boguszewski1668.0
  4. #=3030Zygmunt Smolorz1668.0
  5. #=3030Andrzej Blazewicz1668.0

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