USCF player statistics

Lambert-Gorwyn, Petra

USCF 15689074ColoradoUpdated: Nov 2026

US Chess membership expired on August 31, 2026. Published rating history is still shown below.

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Rating format

Regular rating

8910 since Oct 2026

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

Nov 2026891 Regular
Dec 2025: 891Jan 2026: 891Feb 2026: 891Mar 2026: 891Apr 2026: 891May 2026: 891Jun 2026: 891Jul 2026: 891Aug 2026: 891Sep 2026: 891Oct 2026: 891Nov 2026: 891
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12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

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 Lambert-Gorwyn, Petra
MonthRegular
Nov 2026891no change
Oct 2026891no change
Sep 2026891no change
Aug 2026891no change
Jul 2026891no change
Jun 2026891no change
May 2026891no change
Apr 2026891no change
Mar 2026891no change
Feb 2026891no change
Jan 2026891no change
Dec 2025891
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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.