USCF player statistics

Marong, Jack

USCF 16380217MarylandUpdated: 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

8130 since Oct 2026

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

Nov 2026813 Regular
Dec 2025: 738Jan 2026: 813Feb 2026: 813Mar 2026: 813Apr 2026: 813May 2026: 813Jun 2026: 813Jul 2026: 813Aug 2026: 813Sep 2026: 813Oct 2026: 813Nov 2026: 813
Dec 2025Nov 2026
12 updates in this window · +75 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +9 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+75
Dec 2025 to Jan 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+75 from Dec 2025 to Jan 2026
Current run
10 updates
Unchanged since Jan 2026
Typical move
±7
Mean absolute change; spread ±22.6

Published ratings by month

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

Monthly USCF ratings for Marong, Jack
MonthRegularQuick
Nov 2026813no change822no change
Oct 2026813no change822no change
Sep 2026813no change822no change
Aug 2026813no change822no change
Jul 2026813no change822no change
Jun 2026813no change822no change
May 2026813no change822no change
Apr 2026813no change822no change
Mar 2026813no change822no change
Feb 2026813no change822no change
Jan 2026813+75822+78
Dec 2025738744
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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.