USCF player statistics

Onderko, Theo

USCF 15493782New YorkUpdated: Nov 2026

US Chess membership expired on November 30, 2023. Published rating history is still shown below.

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Rating format

Regular rating

1,1330 since Oct 2026

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

Nov 20261,133 Regular
Dec 2025: 1133Jan 2026: 1133Feb 2026: 1133Mar 2026: 1133Apr 2026: 1133May 2026: 1133Jun 2026: 1133Jul 2026: 1133Aug 2026: 1133Sep 2026: 1133Oct 2026: 1133Nov 2026: 1133
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12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -34 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 Onderko, Theo
MonthRegularQuick
Nov 20261,133no change1,099no change
Oct 20261,133no change1,099no change
Sep 20261,133no change1,099no change
Aug 20261,133no change1,099no change
Jul 20261,133no change1,099no change
Jun 20261,133no change1,099no change
May 20261,133no change1,099no change
Apr 20261,133no change1,099no change
Mar 20261,133no change1,099no change
Feb 20261,133no change1,099no change
Jan 20261,133no change1,099no change
Dec 20251,1331,099
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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.