USCF player statistics

Clark, Willy

USCF 13125702CaliforniaUpdated: Nov 2026

US Chess membership expired on September 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,6680 since Oct 2026

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

Nov 20261,668 Regular
Dec 2025: 1450Jan 2026: 1536Feb 2026: 1536Mar 2026: 1648Apr 2026: 1638May 2026: 1638Jun 2026: 1658Jul 2026: 1658Aug 2026: 1668Sep 2026: 1668Oct 2026: 1668Nov 2026: 1668
Dec 2025Nov 2026
12 updates in this window · +218 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -79 Quick vs Regular

    No national baseline for this rating band yet.

  • -383 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+112
Feb 2026 to Mar 2026
Biggest drop
-10
Mar 2026 to Apr 2026
Longest rise
1 update
+112 from Feb 2026 to Mar 2026
Current run
3 updates
Unchanged since Aug 2026
Typical move
±22
Mean absolute change; spread ±40.3

Published ratings by month

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

Monthly USCF ratings for Clark, Willy
MonthRegularQuickBlitz
Nov 20261,668no change1,589no change1,285 Pno change · 24 games
Oct 20261,668no change1,589no change1,285 Pno change · 24 games
Sep 20261,668no change1,589no change1,285 Pno change · 24 games
Aug 20261,668+101,589+81,285 Pno change · 24 games
Jul 20261,658no change1,581no change1,285 Pno change · 24 games
Jun 20261,658+201,581+281,285 Pno change · 24 games
May 20261,638no change1,553no change1,285 Pno change · 24 games
Apr 20261,638-101,553-151,285 P-1 · 24 games
Mar 20261,648+1121,568+1331,286 Pno change · 24 games
Feb 20261,536no change1,435no change1,286 Pno change · 24 games
Jan 20261,536+861,435+1001,286 Pno change · 24 games
Dec 20251,4501,3351,286 P24 games
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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.