USCF player statistics

Kelley, Cortney

USCF 30475741MissouriUpdated: Oct 2026

Official US Chess record

Gender: Female
FIDE: FIDE 0
US Chess reported rank: #27,974 national · #477 in state
Floor: Regular 150 · Quick 150 · Blitz 146 · Online Regular 100
Rated games: Online Regular 13

US Chess record as of Sep 15, 2026

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Regular rating

1,017+27 since Sep 2026

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

Oct 20261,017 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · -106 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

+1 Quick vs Regular
Typical for 1,000–1,099 regular players: -25 (middle half -63 to 0, 2,183 established members). This gap is above the typical range.
-190 Blitz vs Regular
Typical for 1,000–1,099 regular players: -119 (middle half -236 to +8, 311 established members). This gap is within the typical range.
-267 Online Regular vs Regular (provisional)
Typical for 1,000–1,099 regular players: -115 (middle half -287 to +46, 131 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +59; Aug 2026 to Sep 2026
Biggest drop: -77; Apr 2026 to May 2026
Longest rise: 2 updates; +86 from Aug 2026 to Oct 2026
Updates that moved: 8 of 10; Latest +27, Sep 2026 to Oct 2026
Typical move: ±29; Mean absolute change; spread ±39.7

Regular rating in context

Oct 2026 update

United States

#34,234of 82,596 rated members · higher than 58.5%

48,324 lower · 39 same rating · 34,233 higher · ties share a rank

Missouri

#604of 1,328 rated members · higher than 54.5%

724 lower · 1 same rating · 603 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 7,851 within 100 points of 1,017 (this player included)

Player · 1,017

01,4502,900

1,000–1,049: 1,938 members (2.3%) · highlighted band is the player’s · dashed line is the target

Target 1,050

60% below 1,050 (49,606 of 82,596; 58.5% below 1,017)

Percentile over time · United States

58.5% higher than · Oct 2026 · rank #34,234 of 82,596

Since Dec 2025
-5 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 Missouri 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 Kelley, Cortney
Month	Regular	Quick	Blitz	Online Regular
Oct 2026	1,017+27	1,018+6	827no change	750 Pno change · 13 games
Sep 2026	990+59	1,012+30	827no change	750 Pno change · 13 games
Aug 2026	931no change	982no change	827+83	750 Pno change · 13 games
Jul 2026	931-51	982-17	744-5	750 Pno change · 13 games
Jun 2026	982-5	999-8	749no change	750 Pno change · 13 games
May 2026	987-77	1,007-8	749-44	750 Pno change · 13 games
Apr 2026	1,064no change	1,015+53	793no change	750 Pno change · 13 games
Mar 2026	1,064+8	962+4	793no change	750 Pno change · 13 games
Feb 2026	1,056-44	958-22	793no change	750 Pno change · 13 games
Jan 2026	1,100-23	980-84	793no change	750 Pno change · 13 games
Dec 2025	1,123	1,064	793	750 P13 games

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