USCF player statistics

Brooks, Sandra Elizabeth

USCF 33108726MontanaUpdated: Oct 2026

Official US Chess record

Gender: Female
US Chess reported rank: #63,594 national · #106 in state
Floor: Regular 107 · Quick 107
Rated games: Regular 4 · Quick 4

US Chess record as of Sep 18, 2026

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Regular rating

231

Provisional rating · Oct 2026 · 5 published updates since Jun 2026

Oct 2026231 provisional

Compare format

Jun 2026Oct 2026

5 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-35 Quick vs Regular (provisional)
Typical for 200–299 regular players: 0 (middle half -3 to +6, 823 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: —; No drop between published updates yet
Longest rise: —; No consecutive gains yet
Current run: 4 updates; Unchanged since Jun 2026
Typical move: ±0; Mean absolute change; spread ±0

Regular rating in context

Oct 2026 update

United States

#72,346of 82,596 rated members · higher than 12.3%

10,205 lower · 46 same rating · 72,345 higher · ties share a rank

Montana

#120of 131 rated members · higher than 8.3%

11 lower · 1 same rating · 119 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 9,670 within 100 points of 231 (this player included)

Player · 231

01,4502,900

200–249: 2,384 members (2.8%) · highlighted band is the player’s · dashed line is the target

Target 250

13.4% below 250 (11,142 of 82,596; 12.3% below 231)

Percentile over time · United States

12.3% higher than · Oct 2026 · rank #72,346 of 82,596

Since Jun 2026
-0.2 pts

Jun 2026Oct 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 Montana 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 Brooks, Sandra Elizabeth
Month	Regular	Quick
Oct 2026	231 Pno change · 4 games	196 Pno change · 4 games
Sep 2026	231 Pno change · 4 games	196 Pno change · 4 games
Aug 2026	231 Pno change · 4 games	196 Pno change · 4 games
Jul 2026	231 Pno change · 4 games	196 Pno change · 4 games
Jun 2026	231 P4 games	196 P4 games

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