USCF player statistics

Lee, Ian Yi-Chen

USCF 16683473PennsylvaniaUpdated: Sep 2026

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

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Rating format

Regular rating

7980 since Aug 2026

Published rating · Sep 2026 · 10 published updates since Dec 2025

Sep 2026798 Regular
Dec 2025: 798Jan 2026: 798Feb 2026: 798Mar 2026: 798Apr 2026: 798May 2026: 798Jun 2026: 798Jul 2026: 798Aug 2026: 798Sep 2026: 798
Dec 2025Sep 2026
10 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • +36 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
9 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 Lee, Ian Yi-Chen
MonthRegularQuick
Sep 2026798no change834no change
Aug 2026798no change834no change
Jul 2026798no change834no change
Jun 2026798no change834no change
May 2026798no change834no change
Apr 2026798no change834no change
Mar 2026798no change834no change
Feb 2026798no change834no change
Jan 2026798no change834no change
Dec 2025798834
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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.