USCF player statistics

Klementowski, Jonathan R

USCF 14237360KansasUpdated: 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

1,387-31 since Oct 2026

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

Nov 20261,387 Regular
Dec 2025: 1342Jan 2026: 1342Feb 2026: 1342Mar 2026: 1342Apr 2026: 1342May 2026: 1342Jun 2026: 1342Jul 2026: 1342Aug 2026: 1267Sep 2026: 1418Oct 2026: 1418Nov 2026: 1387
Dec 2025Nov 2026
12 updates in this window · +45 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -286 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+151
Aug 2026 to Sep 2026
Biggest drop
-75
Jul 2026 to Aug 2026
Longest rise
1 update
+151 from Aug 2026 to Sep 2026
Updates that moved
3 of 11
Latest -31, Oct 2026 to Nov 2026
Typical move
±23
Mean absolute change; spread ±54

Published ratings by month

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

Monthly USCF ratings for Klementowski, Jonathan R
MonthRegularQuick
Nov 20261,387-311,101no change
Oct 20261,418no change1,101no change
Sep 20261,418+1511,101+256
Aug 20261,267-75845+3
Jul 20261,342no change842no change
Jun 20261,342no change842no change
May 20261,342no change842no change
Apr 20261,342no change842no change
Mar 20261,342no change842no change
Feb 20261,342no change842no change
Jan 20261,342no change842no change
Dec 20251,342842
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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.