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Zeki Koc

TUR · 75 yrs · K=20 · Peak 1645 (Dec 2025)

Best performance: 1827 at Marmaris Indigo Chess Tournament - July 2017(Best of 2017)

World #=133620 live, down 1405#132,215 publishedTürkiye #=1774

NOV26 Rating

1644

Live Rating

1644.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202616440
Oct 202616440
Sep 202616440
Aug 202616440
Jul 202616440
Jun 202616440
May 20261644-1
Apr 202616450
Mar 202616450
Feb 202616450
Jan 202616450
Dec 20251645+13

Form · Classical

oldest → latest

Longest unbeaten run in 2026: 2 games, Apr 25.

From 357 classical games on record, the latest on Apr 26.

Classical games since the November list

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

Last playedScore
Fethiye April 23 National Sovereignty and Children's Day Chess TournamentApr 25 – Apr 26TPR 16412½/4

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

Best wins · Classical

From 276 rated classical games against rated opponents, 2012–2026

#OpponentRating
1, Orhan Celebi, Jun 2014 · 2013-2014 Turkish Club Championship, 1941
2, Ali Ozkoc, Nov 2017 · Fethiye Ataturk Cup Chess Tournament - A, 1939
3, Osman Unal, Feb 2014 · 2013-2014 Turkish Cup, 1823

Event timeline · Classical

1 of 65 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.

Performance rating by month

2026: 1641 over 4 rated games

MonthGamesScoreAvg oppTPR
Apr42½15461641

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

Rated near Zeki Koc · Classical

World

  1. #=133620Keeratipong Ukachoke1644.0
  2. #=133620Ali Ozturk1644.0
  3. #=133620Zeki Koc1644.0
  4. #=133620Orlybel Rosario Ramirez1644.0
  5. #=133620Christopher Manuel Vargas Rodriguez1644.0

Türkiye

  1. #=1774Ibrahim Berkay Bagdat1644.0
  2. #=1774Ali Ozturk1644.0
  3. #=1774Zeki Koc1644.0
  4. #=1780Bedirhan Bekri1643.0
  5. #=1780Berat Osman Kucukkilinc1643.0

Live ratings projected from the NOV26 published list · Not affiliated with FIDE