USCF player statistics

Stoy, Sophia

USCF 16115590ColoradoUpdated: Nov 2026

US Chess membership expired on November 30, 2023. Published rating history is still shown below.

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Rating format

Regular rating

6410 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 2026641 Regular
Dec 2025: 641Jan 2026: 641Feb 2026: 641Mar 2026: 641Apr 2026: 641May 2026: 641Jun 2026: 641Jul 2026: 641Aug 2026: 641Sep 2026: 641Oct 2026: 641Nov 2026: 641
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -44 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
11 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Published ratings by month

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

Monthly USCF ratings for Stoy, Sophia
MonthRegularQuick
Nov 2026641no change597no change
Oct 2026641no change597no change
Sep 2026641no change597no change
Aug 2026641no change597no change
Jul 2026641no change597no change
Jun 2026641no change597no change
May 2026641no change597no change
Apr 2026641no change597no change
Mar 2026641no change597no change
Feb 2026641no change597no change
Jan 2026641no change597no change
Dec 2025641597
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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.