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Jonathan Koh

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SGP · 33 yrs · K=20 · Peak 2134 (By Jul 2013)

Best performance: 1915 at 2nd Teck Ghee CC Family Chess Challenge 2013 - Open(Best of 2013)

World #=15369Singapore #=32among all players, November list

Rapid rating

2134

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

On FIDE’s list since Jul 2013 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Rapid

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Rapid rating unchanged at 2134 over the last 12 months; peak 2134 by July 2013.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassicalRapid
Nov 20262150, 0, 0 games2134, 0, 0 games
Oct 20262150, 0, 0 games2134, 0, 0 games
Sep 20262150, 0, 0 games2134, 0, 0 games
Aug 20262150, 0, 0 games2134, 0, 0 games
Jul 20262150, 0, 0 games2134, 0, 0 games
Jun 20262150, 0, 0 games2134, 0, 0 games
May 20262150, 0, 0 games2134, 0, 0 games
Apr 20262150, 0, 0 games2134, 0, 0 games
Mar 20262150, 0, 0 games2134, 0, 0 games
Feb 20262150, 0, 0 games2134, 0, 0 games
Jan 20262150, 0, 0 games2134, 0, 0 games
Dec 20252150, 0, 0 games2134, 0, 0 games

Rapid games since the November list

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

Last playedScore
2nd Teck Ghee CC Family Chess Challenge 2013 - OpenJun 2, 2013TPR 19155/7

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

Best wins · Rapid

From 6 rated rapid games against rated opponents, 2013

#OpponentRating
1, CM Zhi Rong Benjamin Foo, Jun 2013 · 2nd Teck Ghee CC Family Chess Challenge 2013 - Open, 2184
2, CM Olimpiu G Urcan, Jun 2013 · 2nd Teck Ghee CC Family Chess Challenge 2013 - Open, 2016
3, Meng Boon Marcus Chen, Jun 2013 · 2nd Teck Ghee CC Family Chess Challenge 2013 - Open, 1632

Event timeline · Rapid

1 event

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
20136417901915

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

Rated near Jonathan Koh · Rapid · November list, all players

World

  1. #=15369WIM Anastasia Keinanen2134
  2. #=15369Efthimios Kiratzopoulos2134
  3. #=15369Jonathan Koh2134
  4. #=15369Boris Konjevic2134
  5. #=15369Daniel Kopczyk2134

Singapore

  1. #30Pe Yeow Low2151
  2. #31FM Ashvin Sivakumar2139
  3. #=32Jonathan Koh2134
  4. #=32FM Jun Wei Lee2134
  5. #34Chye Lye Lim2133

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