USCF player statistics

Guo, Gill

USCF 12857398MarylandUpdated: Nov 2026

US Chess membership expired on September 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

2,085-13 since Oct 2026

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

Nov 20262,085 Regular
Dec 2025: 2088Jan 2026: 2088Feb 2026: 2088Mar 2026: 2095Apr 2026: 2095May 2026: 2088Jun 2026: 2088Jul 2026: 2098Aug 2026: 2098Sep 2026: 2098Oct 2026: 2098Nov 2026: 2085
Dec 2025Nov 2026
12 updates in this window · -3 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -385 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+10
Jun 2026 to Jul 2026
Biggest drop
-13
Oct 2026 to Nov 2026
Longest rise
1 update
+10 from Jun 2026 to Jul 2026
Updates that moved
4 of 11
Latest -13, Oct 2026 to Nov 2026
Typical move
±3
Mean absolute change; spread ±6.1

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, Gill
MonthRegularQuick
Nov 20262,085-131,700no change
Oct 20262,098no change1,700no change
Sep 20262,098no change1,700no change
Aug 20262,098no change1,700no change
Jul 20262,098+101,700no change
Jun 20262,088no change1,700no change
May 20262,088-71,700no change
Apr 20262,095no change1,700no change
Mar 20262,095+71,700no change
Feb 20262,088no change1,700no change
Jan 20262,088no change1,700no change
Dec 20252,0881,700
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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.