Arthur Costiou

FRA · 16 yrs · K=40 · Peak 1668 (Aug 2026)

Best performance: 1779 at Festival 2026 - 26e Open -2000(Best of 2026)

World #=122772 live670#122,102 publishedFrance #=8703

OCT26 Rating

1668

Live Rating

1668.0

Change

0.0

Games Played

Rating History · Classical

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Classical games since the October list

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

	Last played	Score	TPR
	Festival 2026 - 26e Open -2000Jul 4 – Jul 10TPR 1779	6/9	1779

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

8 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.

Festival 2026 - 26e Open -20001779
Jul 2026Swisschess-results.com
Best of 2026Score 6/9Opp avg 1729Start 1599
Festival Saint-Lo 2025 - Open -20001652
Jul 2025Swissfederation source
#2 in 2025Score 4½/9Opp avg 1652Start 1553
Bretagne Jeunes 2025 U161730
Feb 2025Swissfederation source
Best of 2025Score 2½/7Opp avg 1787Start 1491
Festival Saint-Lo 2024 - Open -20001412
Jul 2024Swissfederation source
#2 in 2024Score 4/9Opp avg 1652Start 1514
Bretagne jeunes 2024 U141625
Mar 2024Swissfederation source
Best of 2024Score 4/7Opp avg 1625Start 1467
Team 2024 - Nationale 2 Jeunes r3-4—(1)
Jan 2024Teamfederation source
Score 1/1Opp avg 1286Start 1082
Team 2024 - Nationale 2 Jeunes r2—(1)
Dec 2023Teamfederation source
Score 1/2Opp avg 1795Start 1082
Team 2024 - Nationale 2 Jeunes r1—(2)
Nov 2023Teamfederation source
Score 1½/2Opp avg 1344Start 1033

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