Compare

Jan Kostka

Follow

CZE · 19 yrs · K=20 · Peak 1739 (Oct 2024)

Best performance: 1936 at 4. rocnik OPEN AIR LUDSLAVICE 2024(Best of 2024)

World #=78704 live, down 3372#75,332 publishedCzechia #=1561

OCT26 Rating

1699

Live Rating

1699.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Rapid

Loading chart…
Official rapid rating by month
ListRatingChange
Oct 202616990
Sep 202616990
Aug 202616990
Jul 20261699-13
Jun 202617120
May 202617120
Apr 20261712+1
Mar 202617110
Feb 20261711-1
Jan 202617120
Dec 202517120
Nov 202517120

Rapid games since the October list

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

Last playedScore
XXVII. ročník Rapidu ŠK DolňáckoMay 30TPR 16885/9

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

Event timeline · Rapid

1 of 10 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 Jan Kostka · Rapid

World

  1. #=78704Omar Djebbari1699.0
  2. #=78704Petr Kocur1699.0
  3. #=78704Jan Kostka1699.0
  4. #=78704Adam Korbel1699.0
  5. #=78704Eliezer Daniel Quintero Vergara1699.0

Czechia

  1. #=1555Eduard Dvorak1700.0
  2. #=1561Petr Kocur1699.0
  3. #=1561Jan Kostka1699.0
  4. #=1561Adam Korbel1699.0
  5. #=1564Ladislav Polach1698.0

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