USCF player statistics

Chapuran, Autumn

USCF 30153977IndianaUpdated: Nov 2026

Official US Chess record

Gender: Female
FIDE: FIDE 0
US Chess reported rank: #44,344 national · #746 in state
Floor: Regular 150 · Quick 150

US Chess record as of Sep 15, 2026

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Regular rating

642+34 since Oct 2026

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

Nov 2026642 Regular

Compare format

Dec 2025Nov 2026

12 updates in this window · +115 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

0 Quick vs Regular
Typical for 600–699 regular players: -4 (middle half -16 to +11, 2,305 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +99; Jul 2026 to Aug 2026
Biggest drop: -23; May 2026 to Jun 2026
Longest rise: 1 update; +99 from Jul 2026 to Aug 2026
Updates that moved: 5 of 11; Latest +34, Oct 2026 to Nov 2026
Typical move: ±17; Mean absolute change; spread ±32.9

Regular rating in context

Nov 2026 update

United States

#51,289of 83,032 rated members · higher than 38.1%

31,689 lower · 55 same rating · 51,288 higher · ties share a rank

Indiana

#845of 1,475 rated members · higher than 42.5%

628 lower · 3 same rating · 844 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 10,077 within 100 points of 642 (this player included)

Player · 642

01,4252,850

600–649: 2,591 members (3.1%) · highlighted band is the player’s · dashed line is the target

Target 650

38.6% below 650 (32,088 of 83,032; 38.1% below 642)

Percentile over time · United States

38.1% higher than · Nov 2026 · rank #51,289 of 83,032

Since Dec 2025
+6.6 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 Indiana 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 Chapuran, Autumn
Month	Regular	Quick
Nov 2026	642+34	642+31
Oct 2026	608no change	611no change
Sep 2026	608-14	611-16
Aug 2026	622+99	627+106
Jul 2026	523no change	521no change
Jun 2026	523-23	521-22
May 2026	546no change	543no change
Apr 2026	546no change	543no change
Mar 2026	546no change	543no change
Feb 2026	546no change	543no change
Jan 2026	546+19	543+18
Dec 2025	527	525

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