USCF player statistics

Altangerel, Khongorzul Sophia Sophia

USCF 31010215IllinoisUpdated: Oct 2026

Official US Chess record

Gender: Female
US Chess reported rank: #37,523 national · #1,732 in state
Floor: Regular 150 · Quick 150

US Chess record as of Sep 16, 2026

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Regular rating

814+59 since Sep 2026

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

Oct 2026814 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · +20 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

+68 Quick vs Regular
Typical for 800–899 regular players: -11 (middle half -32 to +8, 2,479 established members). This gap is above the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +85; Mar 2026 to Apr 2026
Biggest drop: -125; Apr 2026 to May 2026
Longest rise: 1 update; +85 from Mar 2026 to Apr 2026
Updates that moved: 5 of 10; Latest +59, Sep 2026 to Oct 2026
Typical move: ±27; Mean absolute change; spread ±54.1

Regular rating in context

Oct 2026 update

United States

#42,749of 82,596 rated members · higher than 48.1%

39,789 lower · 59 same rating · 42,748 higher · ties share a rank

Illinois

#1,995of 4,655 rated members · higher than 57%

2,657 lower · 4 same rating · 1,994 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 9,023 within 100 points of 814 (this player included)

Player · 814

01,4502,900

800–849: 2,303 members (2.7%) · highlighted band is the player’s · dashed line is the target

Target 850

50.1% below 850 (41,440 of 82,596; 48.1% below 814)

Percentile over time · United States

48.1% higher than · Oct 2026 · rank #42,749 of 82,596

Since Dec 2025
+0.7 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 Illinois 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 Altangerel, Khongorzul Sophia Sophia
Month	Regular	Quick
Oct 2026	814+59	882+3
Sep 2026	755no change	879no change
Aug 2026	755no change	879no change
Jul 2026	755no change	879no change
Jun 2026	755no change	879no change
May 2026	755-125	879+2
Apr 2026	880+85	877+79
Mar 2026	795no change	798no change
Feb 2026	795-1	798no change
Jan 2026	796+2	798+10
Dec 2025	794	788

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