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Kostiantyn Derkach

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GER · 44 yrs · K=40 · Peak 1686 (Sep 2026)

Best performance: 1763 at Hennefer Elo-Sommer-Open 2026(Best of 2026)

World #=119593 live, down 3990#115,603 publishedGermany #=11070

OCT26 Rating

1686

Live Rating

1686.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Oct 202616860
Sep 20261686+14
Aug 202616720
Jul 202616720
Jun 202616720
May 20261672+9
Apr 202616630
Mar 20261663-1
Feb 20261664+1
Jan 202616630
Dec 20251663-1

Classical games since the October list

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

Last playedScore
Hennefer Elo-Sommer-Open 2026Aug 21 – Aug 23TPR 17631½/4

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

Event timeline · Classical

2 of 5 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 Kostiantyn Derkach · Classical

World

  1. #=119593Lucas Clerc1686.0
  2. #=119593Aamir Shaikh1686.0
  3. #=119593Kostiantyn Derkach1686.0
  4. #=119593Sourish De1686.0
  5. #=119593Peter Sesterhenn1686.0

Germany

  1. #=11070Gabriel Aleanakian1686.0
  2. #=11070Aamir Shaikh1686.0
  3. #=11070Kostiantyn Derkach1686.0
  4. #=11070Sourish De1686.0
  5. #=11070Peter Sesterhenn1686.0

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