Compare

Jos Kooiker

NED · 66 yrs · K=40 · Peak 1914 (Feb 2025)

Best performance: 1855 at Tata Steel Chess 204 - Nine-round event(Best of 2024)

NOV26 Rating

1914

Live Rating

1914.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Nov 202619140
Oct 202619140
Sep 202619140
Aug 202619140
Jul 202619140
Jun 202619140
May 202619140
Apr 202619140
Mar 202619140
Feb 202619140
Jan 202619140
Dec 202519140

Form · Classical

oldest → latest

From 14 classical games on record, the latest on Jan 22, 2025.

Classical games since the November list

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

Last playedScore
Tata Steel Chess 2025 - DagvierkampenJan 20, 2025 – Jan 22, 20251½/3

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

Best wins · Classical

From 12 rated classical games against rated opponents, 2007–2025

#OpponentRating
1Adinda Serdijn, Tata Steel Chess 2025 - Dagvierkampen, Jan 2025, 1976
2Sjaak Oosterlaken, Tata Steel Chess 204 - Nine-round event, Jan 2024, 1847
3Audry Burer, Tata Steel Chess 204 - Nine-round event, Jan 2024, 1818

Event timeline · Classical

4 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
2025211924—
202494½18551855
2007101978—

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