USCF player statistics

Guo, Serena

USCF 16364422CaliforniaUpdated: 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

1,3110 since Aug 2026

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

Sep 20261,311 Regular
Dec 2025: 1311Jan 2026: 1311Feb 2026: 1311Mar 2026: 1311Apr 2026: 1311May 2026: 1311Jun 2026: 1311Jul 2026: 1311Aug 2026: 1311Sep 2026: 1311
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10 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -49 Quick vs Regular

    No national baseline for this rating band yet.

  • -205 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

  • +201 Online Regular vs Regular

    No national baseline for this rating band yet.

  • +68 Online Quick vs Regular (provisional)

    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 Guo, Serena
MonthRegularQuickBlitzOnline RegularOnline Quick
Sep 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Aug 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Jul 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Jun 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
May 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Apr 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Mar 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Feb 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Jan 20261,311no change1,262no change1,106 Pno change · 22 games1,512no change1,379 Pno change · 24 games
Dec 20251,3111,2621,106 P22 games1,5121,379 P24 games
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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.