USCF player statistics

Zderski, Isaac

USCF 15926344IdahoUpdated: Nov 2026

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

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Rating format

Regular rating

770

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

Nov 2026770 provisional
Dec 2025: 802 provisionalJan 2026: 802 provisionalFeb 2026: 802 provisionalMar 2026: 802 provisionalApr 2026: 802 provisionalMay 2026: 802 provisionalJun 2026: 770 provisionalJul 2026: 770 provisionalAug 2026: 770 provisionalSep 2026: 770 provisionalOct 2026: 770 provisionalNov 2026: 770 provisional
Dec 2025Nov 2026
12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -66 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
-32
May 2026 to Jun 2026
Longest rise
—
No consecutive gains yet
Current run
5 updates
Unchanged since Jun 2026
Typical move
±3
Mean absolute change; spread ±9.6

Published ratings by month

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

Monthly USCF ratings for Zderski, Isaac
MonthRegularQuick
Nov 2026770 Pno change · 19 games704 Pno change · 19 games
Oct 2026770 Pno change · 19 games704 Pno change · 19 games
Sep 2026770 Pno change · 19 games704 Pno change · 19 games
Aug 2026770 Pno change · 19 games704 Pno change · 19 games
Jul 2026770 Pno change · 19 games704 Pno change · 19 games
Jun 2026770 P-32 · 19 games704 P-22 · 19 games
May 2026802 Pno change · 15 games726 Pno change · 15 games
Apr 2026802 Pno change · 15 games726 Pno change · 15 games
Mar 2026802 Pno change · 15 games726 Pno change · 15 games
Feb 2026802 Pno change · 15 games726 Pno change · 15 games
Jan 2026802 Pno change · 15 games726 Pno change · 15 games
Dec 2025802 P15 games726 P15 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.