USCF player statistics

Sartor, Sienna Lily

USCF 32133597New YorkUpdated: Oct 2026

Official US Chess record

Gender: Female
US Chess reported rank: #28,836 national · #3,321 in state
Floor: Regular 150 · Quick 150 · Blitz 105
Rated games: Blitz 15

US Chess record as of Sep 17, 2026

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Regular rating

9670 since Sep 2026

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

Oct 2026967 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · +368 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-12 Quick vs Regular
Typical for 900–999 regular players: -19 (middle half -49 to +4, 2,330 established members). This gap is within the typical range.
-228 Blitz vs Regular (provisional)
Typical for 900–999 regular players: -109 (middle half -267 to -3, 249 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +108; Dec 2025 to Jan 2026
Biggest drop: -50; Mar 2026 to Apr 2026
Longest rise: 4 updates; +281 from Apr 2026 to Aug 2026
Current run: 2 updates; Unchanged since Aug 2026
Typical move: ±47; Mean absolute change; spread ±51.8

Regular rating in context

Oct 2026 update

United States

#36,173of 82,596 rated members · higher than 56.1%

46,387 lower · 37 same rating · 36,172 higher · ties share a rank

New York

#3,826of 9,044 rated members · higher than 57.6%

5,212 lower · 7 same rating · 3,825 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 8,113 within 100 points of 967 (this player included)

Player · 967

01,4502,900

950–999: 1,990 members (2.4%) · highlighted band is the player’s · dashed line is the target

Target 1,000

57.7% below 1,000 (47,668 of 82,596; 56.1% below 967)

Percentile over time · United States

56.1% higher than · Oct 2026 · rank #36,173 of 82,596

Since Dec 2025
+20.1 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 New York 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 Sartor, Sienna Lily
Month	Regular	Quick	Blitz
Oct 2026	967no change	955no change	739 Pno change · 15 games
Sep 2026	967no change	955no change	739 Pno change · 15 games
Aug 2026	967+32	955+51	739 Pno change · 15 games
Jul 2026	935+66	904+132	739 Pno change · 15 games
Jun 2026	869+108	772-4	739 Pno change · 15 games
May 2026	761+75	776+66	739 Pno change · 15 games
Apr 2026	686-50	710-15	739 Pno change · 15 games
Mar 2026	736no change	725no change	739 Pno change · 15 games
Feb 2026	736+29	725+27	739 Pno change · 15 games
Jan 2026	707+108	698+109	739 Pno change · 15 games
Dec 2025	599	589	739 P15 games

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