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Arthur Costiou

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FRA · 16 yrs · K=40 · Peak 1529 (Dec 2024)

Best performance: 1662 at Championnat du Finistere individuel 2024 2025 U16(Best of 2024)

World #=154424 live, down 1270#153,154 publishedFrance #=13216

NOV26 Rating

1509

Live Rating

1509.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Rapid

Loading chart…
Official rapid rating by month
ListRatingChange
Nov 202615090
Oct 202615090
Sep 202615090
Aug 202615090
Jul 202615090
Jun 202615090
May 202615090
Apr 202615090
Mar 202615090
Feb 202615090
Jan 20261509-20
Dec 202515290

Form · Rapid

oldest → latest

From 112 rapid games on record, the latest on Dec 13, 2025.

Rapid games since the November list

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

Last playedScore
Championnat du Finistere individuel 2025 2026 U16Dec 13, 2025 – Dec 14, 20251½/4

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

Event timeline · Rapid

22 events

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 year

YearGamesScoreAvg oppTPR
20252½1535—
20246316961696
2023103½13591249
20223½1182909
2021301067267
20202½1123—
2019211044—

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

Rated near Arthur Costiou · Rapid

World

  1. #=154424James Lopez Lopez1509.0
  2. #=154424Leonard Fellous1509.0
  3. #=154424Arthur Costiou1509.0
  4. #=154424Mariia Iargunkina1509.0
  5. #=154424Antonino Seguenti1509.0

France

  1. #=13216Nanssa Keita1509.0
  2. #=13216Leonard Fellous1509.0
  3. #=13216Arthur Costiou1509.0
  4. #=13216Gabin Junillon1509.0
  5. #=13216Bruno Tempier1509.0

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