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Chiel Koster

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NED · 28 yrs · K=20 · Peak 2226 (Oct 2026)

Best performance: 2460 at Dutch Team Competition 2025-2026 Klasse 2C(Best of 2026)

World #=6936 live9#6,927 publishedNetherlands #=233

OCT26 Rating

2226

Live Rating

2226.0

Change

0.0

Games Played

0

Rating History · Classical

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Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

Last playedScore
Dutch Team Competition 2026-2027 Klasse 1BSep 19 – Apr 17, 20271/1

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

Event timeline · Classical

1 of 21 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.

Rated near Chiel Koster · Classical

World

  1. #6935WGMCarmen Voicu-Jagodzinsky2226.2
  2. #=6936FMJermo Kooijmans2226.0
  3. #=6936CMChiel Koster2226.0
  4. #=6936Philipp Schmitz2226.0
  5. #=6936FMMatas Indriunas2226.0

Netherlands

  1. #=231Raymond De Rooij2227.0
  2. #=233FMJermo Kooijmans2226.0
  3. #=233CMChiel Koster2226.0
  4. #235CMThomas Mollema2225.0
  5. #236CMRemco Sprangers2224.8

Live ratings projected from the OCT26 published list · Not affiliated with FIDE