USCF player statistics

Colebrook, Khaleb A

USCF 15843884FloridaUpdated: Nov 2026

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

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Rating format

Regular rating

9030 since Oct 2026

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

Nov 2026903 Regular
Dec 2025: 857Jan 2026: 893Feb 2026: 878Mar 2026: 878Apr 2026: 808May 2026: 887Jun 2026: 903Jul 2026: 903Aug 2026: 903Sep 2026: 903Oct 2026: 903Nov 2026: 903
Dec 2025Nov 2026
12 updates in this window · +46 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -154 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+79
Apr 2026 to May 2026
Biggest drop
-70
Mar 2026 to Apr 2026
Longest rise
2 updates
+95 from Apr 2026 to Jun 2026
Current run
5 updates
Unchanged since Jun 2026
Typical move
±20
Mean absolute change; spread ±35.7

Published ratings by month

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

Monthly USCF ratings for Colebrook, Khaleb A
MonthRegularQuick
Nov 2026903no change749no change
Oct 2026903no change749no change
Sep 2026903no change749no change
Aug 2026903no change749no change
Jul 2026903no change749no change
Jun 2026903+16749+34
May 2026887+79715no change
Apr 2026808-70715-70
Mar 2026878no change785no change
Feb 2026878-15785-12
Jan 2026893+36797no change
Dec 2025857797
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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.