USCF player statistics

Lee, Derek Jisung

USCF 15364148ConnecticutUpdated: Jun 2026

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

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Rating format

Regular rating

9510 since May 2026

Published rating · Jun 2026 · 7 published updates since Dec 2025

Jun 2026951 Regular
Dec 2025: 951Jan 2026: 951Feb 2026: 951Mar 2026: 951Apr 2026: 951May 2026: 951Jun 2026: 951
Dec 2025Jun 2026
7 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -32 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
6 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, Derek Jisung
MonthRegularQuick
Jun 2026951no change919no change
May 2026951no change919no change
Apr 2026951no change919no change
Mar 2026951no change919no change
Feb 2026951no change919no change
Jan 2026951no change919no change
Dec 2025951919
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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.