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Sebastien Coste

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CAN · 40 yrs · Peak 1843 (By Mar 2026)

Best performance: 1858 at 2024 BC Day Open(Best of 2024)

NOV26 Rating

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Live Rating

Unrated

Change

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Games Played

0

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange

Form · Classical

Form shows from 10 games. 5 classical games are on record so far.

No standard rating: this player isn’t on the NOV26 standard list

Best wins · Classical

From 4 rated classical games against rated opponents, 2024

#OpponentRating
1, Stephen Forde, Aug 2024 · 2024 BC Day Open, 1761
2, Aiden Hao-Ting Lu, Aug 2024 · 2024 BC Day Open, 1595

Event timeline · Classical

1 event

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
202442½17631858

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

  • 2024 BC Day Open1858
    Aug 2024Swissfederation source
    Best of 2024Score 2½/5Opp avg 1763

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.