Jean-Michel Costet

FRA · 69 yrs · K=20 · Peak 1531 (Mar 2024)

Best performance: 1432 at 18th Rochefort Chess Festival - Accession(Best of 2019)

World #=201351 live10248#191,103 publishedFrance #=15918

OCT26 Rating

1493

Live Rating

1485.6

Change

-7.4

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1493	0
Sep 2026	1493	0
Aug 2026	1493	0
Jul 2026	1493	0
Jun 2026	1493	0
May 2026	1493	-8
Apr 2026	1501	-7
Mar 2026	1508	0
Feb 2026	1508	-1
Jan 2026	1509	-9
Dec 2025	1518	+1
Nov 2025	1517	+8

Classical games since the October list

	Tournament	Score	Change	TPR	After
	Team 2027 - NAQ octobreOct 10 – Oct 11TPR 785	0/1	-7.4	785	1485.6

Event timeline · Classical

50 of 87 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.

Team 2027 - NAQ octobre-7.4
Oct 2026Teamfederation source
Score 0/1Opp avg 1585Start 1493
Team 2026 - OCC Avril—(1)
Mar – Apr 2026Teamfederation source
Score 0/1Opp avg 1527Start 1508
Team 2026 - OCC Mars—(1)
Mar 2026Teamfederation source
Score 0/1Opp avg 1595Start 1508
Team 2026 - OCC Decembre—(1)
Dec 2025Teamfederation source
Score 0/1Opp avg 1542Start 1518
Team 2026 - OCC Novembre—(0)
Nov 2025Teamfederation source
Score 1/1Start 1517
Team 2026 - OCC Octobre—(1)
Oct 2025Teamfederation source
Score 1/1Opp avg 1449Start 1509
Team 2025 - OCC Avril—(0)
Mar – Apr 2025Teamfederation source
Score 0/1Start 1516
Team 2025 - OCC Mars—(0)
Mar 2025Teamfederation source
Score 1/1Start 1516
Team 2025 - Nationale 4 r5—(1)
Feb 2025Teamfederation source
Score 1/1Opp avg 1570Start 1504
Team 2025 - 60mn decembre—(2)
Dec 2024Teamfederation source
Score 1/3Opp avg 1738Start 1523
Team 2025 - Nationale 4 r3—(1)
Dec 2024Teamfederation source
Score 0/1Opp avg 1524Start 1523
Team 2025 - OCC Novembre—(0)
Nov 2024Teamfederation source
Score 1/1Start 1523
Team 2025 - Coupe de France 1er tour—(1)
Oct 2024Teamfederation source
Score 0/1Opp avg 1878Start 1525
Team 2025 - OCC Octobre—(0)
Oct 2024Teamfederation source
Score 0/1Start 1525
Team 2024 - Nationale 4 r7—(1)
Mar 2024Teamfederation source
Score 0/1Opp avg 1668Start 1531
Team 2024 - Nationale 4 r5-6—(2)
Jan 2024Teamfederation source
Score 0/2Opp avg 1388Start 1231
Team 2024 - Nationale 4 r4—(1)
Dec 2023Teamfederation source
Score 0/1Opp avg 1233Start 1224
Team 2024 - 60mn decembre—(1)
Dec 2023Teamfederation source
Score 2/3Opp avg 1509Start 1224
Team 2023 - Nationale 2 r7-8—(1)
Mar 2023Teamfederation source
Score ½/1Opp avg 1352Start 1220
Team 2023 - Nationale 4 r4—(1)
Jan 2023Teamfederation source
Score 1/1Opp avg 1537Start 1202
Team 2023 - Nationale 4 r3—(1)
Nov – Dec 2022Teamfederation source
Score 0/1Opp avg 1300Start 1212
Team 2023 - Nationale 4 r2—(2)
Nov 2022Teamfederation source
Score 1/2Opp avg 1177Start 1212
Team 2022 - Nationale 2 r9—(1)
May 2022Teamfederation source
Score ½/1Opp avg 1667Start 1203
Team 2022 - Nationale 4 r6—(1)
Apr 2022Teamfederation source
Score 0/1Opp avg 1306Start 1210
Team 2022 - Nationale 2 r6-7—(1)
Mar 2022Teamfederation source
Score ½/1Opp avg 1380Start 1205

Recent opponents · Classical

Baptiste Charruyer

Rated near Jean-Michel Costet · Classical

World

#=201351Jazmine Chambi Ramos1485.6
#=201351Oliver Bittern1485.6
#=201351Jean-Michel Costet1485.6
#=201351Marco Gabelica1485.6
#=201351Riccardo Paradiso1485.6

France

#=15916Patrick Sintier1485.8
#=15916Hadyan Ouaicha1485.8
#=15918Jean-Michel Costet1485.6
#=15918Marco Gabelica1485.6
#=15920Maxime Wang1485.4

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