USCF player statistics

Mehlhaff, Sadie

USCF 30727503KansasUpdated: Oct 2026

Official US Chess record

Biggest rank climb · #45 in Kansas (Regular)

Gender: Female
FIDE: FIDE 0
US Chess reported rank: #48,992 national · #275 in state
Floor: Regular 150 · Quick 150

US Chess record as of Sep 15, 2026

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Regular rating

5170 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 2026517 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · -109 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-16 Quick vs Regular
Typical for 500–599 regular players: -3 (middle half -12 to +9, 2,124 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: —; No gain between published updates yet
Biggest drop: -71; Apr 2026 to May 2026
Longest rise: —; No consecutive gains yet
Current run: 5 updates; Unchanged since May 2026
Typical move: ±11; Mean absolute change; spread ±24.3

Regular rating in context

Oct 2026 update

United States

#57,406of 82,596 rated members · higher than 30.4%

25,132 lower · 59 same rating · 57,405 higher · ties share a rank

Kansas

#431of 528 rated members · higher than 18.3%

97 lower · 1 same rating · 430 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 10,717 within 100 points of 517 (this player included)

Player · 517

01,4502,900

500–549: 2,652 members (3.2%) · highlighted band is the player’s · dashed line is the target

Target 550

32.4% below 550 (26,829 of 82,596; 30.4% below 517)

Percentile over time · United States

30.4% higher than · Oct 2026 · rank #57,406 of 82,596

Since Dec 2025
-7.2 pts

Dec 2025Oct 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 Oct 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 Kansas 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 Mehlhaff, Sadie
Month	Regular	Quick
Oct 2026	517no change	501no change
Sep 2026	517no change	501no change
Aug 2026	517no change	501-1
Jul 2026	517no change	502no change
Jun 2026	517no change	502no change
May 2026	517-71	502-64
Apr 2026	588-38	566-47
Mar 2026	626no change	613no change
Feb 2026	626no change	613no change
Jan 2026	626no change	613no change
Dec 2025	626	613

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