USCF player statistics

Perch, William S

USCF 16541493KentuckyUpdated: Nov 2026

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

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Rating format

Regular rating

1,2610 since Oct 2026

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

Nov 20261,261 Regular
Dec 2025: 1375Jan 2026: 1375Feb 2026: 1261Mar 2026: 1261Apr 2026: 1261May 2026: 1261Jun 2026: 1261Jul 2026: 1261Aug 2026: 1261Sep 2026: 1261Oct 2026: 1261Nov 2026: 1261
Dec 2025Nov 2026
12 updates in this window · -114 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -35 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
-114
Jan 2026 to Feb 2026
Longest rise
—
No consecutive gains yet
Current run
9 updates
Unchanged since Feb 2026
Typical move
±10
Mean absolute change; spread ±34.4

Published ratings by month

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

Monthly USCF ratings for Perch, William S
MonthRegularQuick
Nov 20261,261no change1,226no change
Oct 20261,261no change1,226no change
Sep 20261,261no change1,226no change
Aug 20261,261no change1,226no change
Jul 20261,261no change1,226no change
Jun 20261,261no change1,226no change
May 20261,261no change1,226no change
Apr 20261,261no change1,226no change
Mar 20261,261no change1,226no change
Feb 20261,261-1141,226-108
Jan 20261,375no change1,334no change
Dec 20251,3751,334
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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.