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Siamak Hedayat

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IRI · 30 yrs · K=40 · Peak 1603 (By Oct 2025)

Best performance: 1547 at Khuzestan Standard Cup Shahrivar 1404(Best of 2025)

World #=160983 live, down 1484#159,499 publishedIran #=2359

NOV26 Rating

1575

Live Rating

1575.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

Loading chart…
Official classical rating by month
ListRatingChange
Nov 202615750
Oct 202615750
Sep 202615750
Aug 202615750
Jul 202615750
Jun 202615750
May 202615750
Apr 202615750
Mar 20261575+1
Feb 20261574-29
Jan 202616030
Dec 202516030

Form · Classical

oldest → latest

From 16 classical games on record, the latest on Jan 3.

Classical games since the November list

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

Last playedScore
6th Ahvaz Zehne Ziba Standard 10 Dey 1404Dec 31, 2025 – Jan 3TPR 14483/8

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

Event timeline · Classical

1 of 2 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: 907 over 5 rated games

MonthGamesScoreAvg oppTPR
Jan501707907

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

Rated near Siamak Hedayat · Classical

World

  1. #=160983Pouria Ghaderian1575.0
  2. #=160983Mahdiyar Momtazmanesh1575.0
  3. #=160983Siamak Hedayat1575.0
  4. #=160983Viswesh Thiagarajan1575.0
  5. #=160983Biswajit Bhattarai1575.0

Iran

  1. #=2359Pouria Ghaderian1575.0
  2. #=2359Mahdiyar Momtazmanesh1575.0
  3. #=2359Siamak Hedayat1575.0
  4. #=2369Edris Mohamad Sharifi1574.0
  5. #=2369Arjali Mardani1574.0

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