USCF player statistics

Wu, Sean Han

USCF 16802870CaliforniaUpdated: Oct 2026

US Chess membership expired on October 31, 2023. Published rating history is still shown below.

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Rating format

Regular rating

9900 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 2026990 Regular
Dec 2025: 990Jan 2026: 990Feb 2026: 990Mar 2026: 990Apr 2026: 990May 2026: 990Jun 2026: 990Jul 2026: 990Aug 2026: 990Sep 2026: 990Oct 2026: 990
Dec 2025Oct 2026
11 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -66 Quick vs Regular

    No national baseline for this rating band yet.

  • +163 Online Regular vs Regular

    No national baseline for this rating band yet.

  • +173 Online 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
10 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 Wu, Sean Han
MonthRegularQuickOnline RegularOnline Quick
Oct 2026990no change924no change1,153no change1,163no change
Sep 2026990no change924no change1,153no change1,163no change
Aug 2026990no change924no change1,153no change1,163no change
Jul 2026990no change924no change1,153no change1,163no change
Jun 2026990no change924no change1,153no change1,163no change
May 2026990no change924no change1,153no change1,163no change
Apr 2026990no change924no change1,153no change1,163no change
Mar 2026990no change924no change1,153no change1,163no change
Feb 2026990no change924no change1,153no change1,163no change
Jan 2026990no change924no change1,153no change1,163no change
Dec 20259909241,1531,163
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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.