USCF player statistics

Chea, Na

USCF 15147161CaliforniaUpdated: Nov 2026

US Chess membership expired on August 31, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,6900 since Oct 2026

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

Nov 20261,690 Regular
Dec 2025: 1664Jan 2026: 1664Feb 2026: 1664Mar 2026: 1664Apr 2026: 1664May 2026: 1664Jun 2026: 1664Jul 2026: 1664Aug 2026: 1664Sep 2026: 1690Oct 2026: 1690Nov 2026: 1690
Dec 2025Nov 2026
12 updates in this window · +26 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +1 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -256 Blitz vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+26
Aug 2026 to Sep 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+26 from Aug 2026 to Sep 2026
Current run
2 updates
Unchanged since Sep 2026
Typical move
±2
Mean absolute change; spread ±7.8

Published ratings by month

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

Monthly USCF ratings for Chea, Na
MonthRegularQuickBlitz
Nov 20261,690no change1,691 Pno change · 17 games1,434no change
Oct 20261,690no change1,691 Pno change · 17 games1,434-4
Sep 20261,690+261,691 Pno change · 17 games1,438-51
Aug 20261,664no change1,691 Pno change · 17 games1,489+1
Jul 20261,664no change1,691 Pno change · 17 games1,488no change
Jun 20261,664no change1,691 Pno change · 17 games1,488no change
May 20261,664no change1,691 Pno change · 17 games1,488no change
Apr 20261,664no change1,691 Pno change · 17 games1,488-1
Mar 20261,664no change1,691 Pno change · 17 games1,489no change
Feb 20261,664no change1,691 Pno change · 17 games1,489no change
Jan 20261,664no change1,691 Pno change · 17 games1,489no change
Dec 20251,6641,691 P17 games1,489
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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.