USCF player statistics

Leffers, Gus Jonathon

USCF 16535504ConnecticutUpdated: 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

1,2180 since Oct 2026

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

Nov 20261,218 Regular
Dec 2025: 1201Jan 2026: 1201Feb 2026: 1201Mar 2026: 1201Apr 2026: 1279May 2026: 1279Jun 2026: 1279Jul 2026: 1218Aug 2026: 1218Sep 2026: 1218Oct 2026: 1218Nov 2026: 1218
Dec 2025Nov 2026
12 updates in this window · +17 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +3 Quick vs Regular

    No national baseline for this rating band yet.

  • +4 Blitz vs Regular

    No national baseline for this rating band yet.

  • -1,093 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -944 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+78
Mar 2026 to Apr 2026
Biggest drop
-61
Jun 2026 to Jul 2026
Longest rise
1 update
+78 from Mar 2026 to Apr 2026
Current run
4 updates
Unchanged since Jul 2026
Typical move
±13
Mean absolute change; spread ±31.3

Published ratings by month

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

Monthly USCF ratings for Leffers, Gus Jonathon
MonthRegularQuickBlitzOnline RegularOnline Quick
Nov 20261,218no change1,221no change1,222no change125 Pno change · 8 games274 Pno change · 4 games
Oct 20261,218no change1,221no change1,222no change125 Pno change · 8 games274 Pno change · 4 games
Sep 20261,218no change1,221no change1,222-1125 Pno change · 8 games274 Pno change · 4 games
Aug 20261,218no change1,221no change1,223no change125 Pno change · 8 games274 Pno change · 4 games
Jul 20261,218-611,221no change1,223+168125 Pno change · 8 games274 Pno change · 4 games
Jun 20261,279no change1,221no change1,055no change125 Pno change · 8 games274 Pno change · 4 games
May 20261,279no change1,221no change1,055no change125 Pno change · 8 games274 Pno change · 4 games
Apr 20261,279+781,221+241,055no change125 Pno change · 8 games274 Pno change · 4 games
Mar 20261,201no change1,197no change1,055no change125 Pno change · 8 games274 Pno change · 4 games
Feb 20261,201no change1,197+301,055+115125 Pno change · 8 games274 Pno change · 4 games
Jan 20261,201no change1,167no change940no change125 Pno change · 8 games274 Pno change · 4 games
Dec 20251,2011,167940125 P8 games274 P4 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.