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Jan Blaszczak

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POL · 75 yrs · K=20 · Peak 1742 (Aug 2024)

Best performance: 1852 at Indywidualne Mistrzostwa Wojewodztwa Lubelskiego Seniorow i Juniorow do lat 20(Best of 2008)

Classical rating

1742

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

On FIDE’s list since Apr 2008 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Nov 202617420
Oct 202617420
Sep 202617420
Aug 202617420
Jul 202617420
Jun 202617420
May 202617420
Apr 202617420
Mar 202617420
Feb 202617420
Jan 202617420
Dec 202517420

Form · Classical

oldest → latest

From 96 classical games on record, the latest on Jul 23, 2024.

Classical games since the November list

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

Last playedScore
Final Centralny 66 Ogolnopolski Masowy Turniej Szachowy LZS o Zlota Wieze 2024Jul 18, 2024 – Jul 23, 2024TPR 18112½/4

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

Best wins · Classical

From 49 rated classical games against rated opponents, 2007–2024

#OpponentRating
1, Zdzislaw Wojcieszyn, Mar 2011 · Mistrzostwa Województwa - I turniej, 2059
2, Katarzyna Major, Feb 2008 · Indywidualne Mistrzostwa Wojewodztwa Lubelskiego Seniorow i Juniorow do lat 20, 1783
3, Marcin Warowny, Feb 2008 · Indywidualne Mistrzostwa Wojewodztwa Lubelskiego Seniorow i Juniorow do lat 20, 1782

Openings · Classical

From the moves of 57 of 96 classical games on record.

As WhiteOpens 1.e4 in 24 of 26 games.

As BlackMeets 1.e4 with 1...c5 or 1...e5, and 1.d4 with 1...Nf6.

All openings (2 as White, 2 as Black)
Openings in White gamesGamesScore
Sicilian Defense729%
French Defense658%

13 more games in openings played fewer than 3 times.

Event timeline · Classical

15 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
202431½18111811
202311314061231
2020101703—
2013101969—
201131½18021802
20096219401815
200771½18511621

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

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