Compare

Jason Koh

AUS · 60 yrs · K=40 · Peak 1649 (Mar 2024)

Best performance: 1382 at 2022 St George Club Championship Rounds 3-7(Best of 2022)

NOV26 Rating

1633

Live Rating

1633.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202616330
Oct 202616330
Sep 202616330
Aug 202616330
Jul 202616330
Jun 202616330
May 202616330
Apr 202616330
Mar 202616330
Feb 202616330
Jan 202616330
Dec 202516330

Form · Classical

oldest → latest

From 32 classical games on record, the latest on Jan 10, 2025.

Classical games since the November list

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

Last playedScore
2025 Australian Open MinorJan 3, 2025 – Jan 10, 20252/7

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

Event timeline · Classical

10 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
2025101713—
202214515021400

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