USCF player statistics

Corey-Derrah, Alan

USCF 14309117WashingtonUpdated: Oct 2026

US Chess membership expired on October 31, 2023. Published rating history is still shown below.

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Rating format

Regular rating

1,5090 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 20261,509 Regular
Dec 2025: 1509Jan 2026: 1509Feb 2026: 1509Mar 2026: 1509Apr 2026: 1509May 2026: 1509Jun 2026: 1509Jul 2026: 1509Aug 2026: 1509Sep 2026: 1509Oct 2026: 1509
Dec 2025Oct 2026
11 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • +27 Quick vs Regular

    No national baseline for this rating band yet.

  • +266 Blitz vs Regular (provisional)

    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
10 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 Corey-Derrah, Alan
MonthRegularQuickBlitz
Oct 20261,509no change1,536no change1,775 Pno change · 24 games
Sep 20261,509no change1,536no change1,775 Pno change · 24 games
Aug 20261,509no change1,536no change1,775 Pno change · 24 games
Jul 20261,509no change1,536no change1,775 Pno change · 24 games
Jun 20261,509no change1,536no change1,775 Pno change · 24 games
May 20261,509no change1,536no change1,775 Pno change · 24 games
Apr 20261,509no change1,536no change1,775 Pno change · 24 games
Mar 20261,509no change1,536no change1,775 Pno change · 24 games
Feb 20261,509no change1,536no change1,775 Pno change · 24 games
Jan 20261,509no change1,536no change1,775 Pno change · 24 games
Dec 20251,5091,5361,775 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.