Compare

Rowan Koomen

NED · 25 yrs · K=40 · Peak 1591 (Mar 2024)

Best performance: 1634 at Tata Steel Tienkampen 2023(Best of 2023)

NOV26 Rating

1591

Live Rating

1591.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202615910
Oct 202615910
Sep 202615910
Aug 202615910
Jul 202615910
Jun 202615910
May 202615910
Apr 202615910
Mar 202615910
Feb 202615910
Jan 202615910
Dec 202515910

Form · Classical

oldest → latest

From 31 classical games on record, the latest on Oct 31.

Classical games since the November list

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

Last playedScore
Dutch Team Competition 2026-2027 Klasse 5KOct 3 – Apr 3, 20270/1

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

Event timeline · Classical

1 of 6 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

2026: not enough games against rated opponents for a performance rating

MonthGamesScoreAvg oppTPR
Oct101745—

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