USCF player statistics

Jacobus, Jeffrey

USCF 15411713New YorkUpdated: Nov 2026

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

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Rating format

Regular rating

1,6100 since Oct 2026

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

Nov 20261,610 Regular
Dec 2025: 1598Jan 2026: 1598Feb 2026: 1598Mar 2026: 1598Apr 2026: 1598May 2026: 1598Jun 2026: 1598Jul 2026: 1598Aug 2026: 1610Sep 2026: 1610Oct 2026: 1610Nov 2026: 1610
Dec 2025Nov 2026
12 updates in this window · +12 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -194 Quick vs Regular

    No national baseline for this rating band yet.

  • +50 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+12
Jul 2026 to Aug 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+12 from Jul 2026 to Aug 2026
Current run
3 updates
Unchanged since Aug 2026
Typical move
±1
Mean absolute change; spread ±3.6

Published ratings by month

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

Monthly USCF ratings for Jacobus, Jeffrey
MonthRegularQuickBlitz
Nov 20261,610no change1,416no change1,660 Pno change · 12 games
Oct 20261,610no change1,416no change1,660 Pno change · 12 games
Sep 20261,610no change1,416no change1,660 Pno change · 12 games
Aug 20261,610+121,416no change1,660 Pno change · 12 games
Jul 20261,598no change1,416no change1,660 Pno change · 12 games
Jun 20261,598no change1,416no change1,660 Pno change · 12 games
May 20261,598no change1,416no change1,660 Pno change · 12 games
Apr 20261,598no change1,416no change1,660 Pno change · 12 games
Mar 20261,598no change1,416no change1,660 Pno change · 12 games
Feb 20261,598no change1,416no change1,660 Pno change · 12 games
Jan 20261,598no change1,416no change1,660 Pno change · 12 games
Dec 20251,5981,4161,660 P12 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.