USCF player statistics

Machtig, Jonathan Quinn

USCF 15627261CaliforniaUpdated: Nov 2026

US Chess membership expired on June 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,5470 since Oct 2026

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

Nov 20261,547 Regular
Dec 2025: 1568Jan 2026: 1568Feb 2026: 1568Mar 2026: 1568Apr 2026: 1568May 2026: 1568Jun 2026: 1540Jul 2026: 1547Aug 2026: 1547Sep 2026: 1547Oct 2026: 1547Nov 2026: 1547
Dec 2025Nov 2026
12 updates in this window · -21 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -207 Blitz vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+7
Jun 2026 to Jul 2026
Biggest drop
-28
May 2026 to Jun 2026
Longest rise
1 update
+7 from Jun 2026 to Jul 2026
Current run
4 updates
Unchanged since Jul 2026
Typical move
±3
Mean absolute change; spread ±8.9

Published ratings by month

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

Monthly USCF ratings for Machtig, Jonathan Quinn
MonthRegularBlitz
Nov 20261,547no change1,340no change
Oct 20261,547no change1,340no change
Sep 20261,547no change1,340no change
Aug 20261,547no change1,340-1
Jul 20261,547+71,341-119
Jun 20261,540-281,460no change
May 20261,568no change1,460no change
Apr 20261,568no change1,460no change
Mar 20261,568no change1,460no change
Feb 20261,568no change1,460no change
Jan 20261,568no change1,460no change
Dec 20251,5681,460
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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.