USCF player statistics

Copeland, Eridan

USCF 17005031TexasUpdated: Nov 2026

Official US Chess record

Gender: Male
FIDE: FIDE 0
US Chess reported rank: #53,618 national · #6,597 in state
Floor: Regular 135 · Quick 135

US Chess record as of Sep 15, 2026

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Regular rating

4280 since Oct 2026

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

Nov 2026428 Regular

Compare format

Dec 2025Nov 2026

12 updates in this window · +61 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Compare with another playerOverlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

-2 Quick vs Regular
Typical for 400–499 regular players: -1 (middle half -9 to +7, 1,654 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +61; Mar 2026 to Apr 2026
Biggest drop: —; No drop between published updates yet
Longest rise: 1 update; +61 from Mar 2026 to Apr 2026
Current run: 7 updates; Unchanged since Apr 2026
Typical move: ±6; Mean absolute change; spread ±18.4

Regular rating in context

Nov 2026 update

United States

#62,626of 83,032 rated members · higher than 24.5%

20,343 lower · 64 same rating · 62,625 higher · ties share a rank

Texas

#7,189of 10,533 rated members · higher than 31.6%

3,337 lower · 8 same rating · 7,188 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 10,837 within 100 points of 428 (this player included)

Player · 428

01,4252,850

400–449: 2,739 members (3.2%) · highlighted band is the player’s · dashed line is the target

Target 450

25.9% below 450 (21,555 of 83,032; 24.5% below 428)

Percentile over time · United States

24.5% higher than · Nov 2026 · rank #62,626 of 83,032

Since Dec 2025
+3.4 pts

Dec 2025Nov 2026

Each month against that month’s active pool, so pool growth and rating drift both count.

How these comparisons are calculated

Chess67 calculations from the Nov 2026 monthly rating update, using the same population as the USCF statistics pages: US members classified as active in the published monthly records, excluding lifetime-coded records, provisional ratings included. Ties share a rank; “lower” is strictly lower; national and state groups overlap. The target explorer keeps the population fixed, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.

United States statistics Texas statistics

Published ratings by month

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

Monthly USCF ratings for Copeland, Eridan
Month	Regular	Quick
Nov 2026	428no change	426no change
Oct 2026	428no change	426no change
Sep 2026	428no change	426no change
Aug 2026	428no change	426no change
Jul 2026	428no change	426no change
Jun 2026	428no change	426no change
May 2026	428no change	426no change
Apr 2026	428+61	426+63
Mar 2026	367no change	363no change
Feb 2026	367no change	363no change
Jan 2026	367no change	363no change
Dec 2025	367	363

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