Compare

Jacek Haja

POL · 60 yrs · K=20 · Peak 1796 (Sep 2012)

Best performance: 1849 at 65 Otwarte Mistrzostwa Wojewodztwa Kujawsko-Pomorskiego w Szachach Klasycznych- Open A(Best of 2012)

NOV26 Rating

1653

Live Rating

1653.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202616530
Oct 202616530
Sep 202616530
Aug 202616530
Jul 202616530
Jun 202616530
May 202616530
Apr 202616530
Mar 20261653-1
Feb 20261654-2
Jan 202616560
Dec 20251656+3

Form · Classical

oldest → latest

Unbeaten in the last 5 games (3 wins, 2 draws), since Aug 9, 2025.

From 139 classical games on record, the latest on Aug 10, 2025.

Classical games since the November list

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

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

Best wins · Classical

From 121 rated classical games against rated opponents, 2007–2025

#OpponentRating
1, Slawomir Frackowiak, Jul 2008 · 17th International Chess Festival Poznan '2008, tournament - open B, 1991
2, Janusz Weglarz, Jul 2008 · 17th International Chess Festival Poznan '2008, tournament - open B, 1926
3, Piotr Szybowicz, Aug 2012 · 65 Otwarte Mistrzostwa Wojewodztwa Kujawsko-Pomorskiego w Szachach Klasycznych- Open A, 1925

Openings · Classical

From the moves of 23 of 139 classical games on record.

As WhiteOpens 1.e4 in 10 of 11 games.

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

All openings (1 as White, 2 as Black)
Openings in White gamesGamesScore
Sicilian Defense463%

7 more games in openings played fewer than 3 times.

Event timeline · Classical

18 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
20257515271685
202493½16301550
202372½11741072
202263½12441301
202193½17701690
20195113071067
201612613751375
20158317631676
201485½14821623
20139514911534
201283½18921849
20107219241766
20075218931821

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

Live ratings projected from the NOV26 published list · Not affiliated with FIDE