USCF player statistics

Needham, Siegfried Thomas

USCF 15852358CaliforniaUpdated: Nov 2026

US Chess membership expired on November 30, 2024. Published rating history is still shown below.

Join / Renew USCF
Official US Chess record

Enter an 8-digit USCF ID, or at least 3 letters of a name. Similar names in CA appear first.

Find USCF-rated tournamentsBrowse upcoming events and entry requirements.
Rating format

Regular rating

5330 since Oct 2026

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

Nov 2026533 Regular
Dec 2025: 533Jan 2026: 533Feb 2026: 533Mar 2026: 533Apr 2026: 533May 2026: 533Jun 2026: 533Jul 2026: 533Aug 2026: 533Sep 2026: 533Oct 2026: 533Nov 2026: 533
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +42 Quick vs Regular

    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
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
11 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Published ratings by month

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

Monthly USCF ratings for Needham, Siegfried Thomas
MonthRegularQuick
Nov 2026533no change575no change
Oct 2026533no change575no change
Sep 2026533no change575no change
Aug 2026533no change575no change
Jul 2026533no change575no change
Jun 2026533no change575no change
May 2026533no change575no change
Apr 2026533no change575no change
Mar 2026533no change575no change
Feb 2026533no change575no change
Jan 2026533no change575no change
Dec 2025533575
Chess67 DiscordChat with the Chess67 community.Open Find a chess tournamentUpcoming events near you.Browse Find a chess clubClubs and meetups near you.Browse

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.