USCF player statistics

Callihan, Clayton R

USCF 15789574KentuckyUpdated: Sep 2026

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

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Rating format

Regular rating

8400 since Aug 2026

Published rating · Sep 2026 · 10 published updates since Dec 2025

Sep 2026840 Regular
Dec 2025: 840Jan 2026: 840Feb 2026: 840Mar 2026: 840Apr 2026: 840May 2026: 840Jun 2026: 840Jul 2026: 840Aug 2026: 840Sep 2026: 840
Dec 2025Sep 2026
10 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • 0 Quick vs Regular

    No national baseline for this rating band yet.

  • -71 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
9 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 Callihan, Clayton R
MonthRegularQuickBlitz
Sep 2026840no change840no change769 Pno change · 20 games
Aug 2026840no change840no change769 Pno change · 20 games
Jul 2026840no change840no change769 Pno change · 20 games
Jun 2026840no change840no change769 Pno change · 20 games
May 2026840no change840no change769 Pno change · 20 games
Apr 2026840no change840no change769 Pno change · 20 games
Mar 2026840no change840no change769 Pno change · 20 games
Feb 2026840no change840no change769 Pno change · 20 games
Jan 2026840no change840no change769 Pno change · 20 games
Dec 2025840840769 P20 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.