USCF player statistics

Acosta, Rosa M

USCF 30671581New MexicoUpdated: Oct 2026

Official US Chess record

Biggest rank climb · #26 in New Mexico (Blitz)

Gender: Female
FIDE: FIDE 0
US Chess reported rank: #23,490 national · #152 in state
Floor: Regular 145 · Quick 135 · Blitz 100
Rated games: Blitz 13

US Chess record as of Sep 15, 2026

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Regular rating

1,1210 since Sep 2026

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

Oct 20261,121 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · +203 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-41 Quick vs Regular
Typical for 1,100–1,199 regular players: -39 (middle half -90 to -9, 2,023 established members). This gap is within the typical range.
-487 Blitz vs Regular (provisional)
Typical for 1,100–1,199 regular players: -163 (middle half -306 to -52, 365 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +203; Jul 2026 to Aug 2026
Biggest drop: —; No drop between published updates yet
Longest rise: 1 update; +203 from Jul 2026 to Aug 2026
Current run: 2 updates; Unchanged since Aug 2026
Typical move: ±20; Mean absolute change; spread ±64.2

Regular rating in context

Oct 2026 update

United States

#30,313of 82,596 rated members · higher than 63.2%

52,245 lower · 39 same rating · 30,312 higher · ties share a rank

New Mexico

#223of 435 rated members · higher than 48.7%

212 lower · 1 same rating · 222 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 7,335 within 100 points of 1,121 (this player included)

Player · 1,121

01,4502,900

1,100–1,149: 1,836 members (2.2%) · highlighted band is the player’s · dashed line is the target

Target 1,150

64.5% below 1,150 (53,296 of 82,596; 63.2% below 1,121)

Percentile over time · United States

63.2% higher than · Oct 2026 · rank #30,313 of 82,596

Since Dec 2025
+9 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 Mexico 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 Acosta, Rosa M
Month	Regular	Quick	Blitz
Oct 2026	1,121no change	1,080no change	634 Pno change · 13 games
Sep 2026	1,121no change	1,080no change	634 Pno change · 13 games
Aug 2026	1,121+203	1,080+250	634 Pno change · 13 games
Jul 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Jun 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
May 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Apr 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Mar 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Feb 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Jan 2026	918no change	830 Pno change · 23 games	634 Pno change · 13 games
Dec 2025	918	830 P23 games	634 P13 games

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