USCF player statistics

Blackwelder, Isobel

USCF 17347634North CarolinaLatest monthly rating update: Dec 2025
Official US Chess record
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Rating format

Regular rating

109

Provisional rating · Dec 2025 · 1 published update since Dec 2025

Dec 2025109 provisional
Dec 2025: 109 provisional
Dec 2025
1 update in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity
Overlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

  • 0 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -9 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • +142 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

Peer comparisons

A matching published population is not available for this rating. Older ratings are not compared with a newer membership snapshot.

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Blackwelder, Isobel
MonthRegularQuickOnline RegularOnline Quick
Dec 2025109 P19 games109 P19 games100 P4 games251 P17 games

Enter an 8-digit USCF ID, or at least 3 letters of a name. Similar names in NC appear first.

About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.

National USCF statisticsNorth Carolina USCF statistics