USCF player statistics

Ws Clark, James

USCF 33187031CaliforniaUpdated: Nov 2026

Official US Chess record

Gender: Male
US Chess reported rank: #51,092 national · #3,046 in state
Floor: Regular 118 · Quick 118
Rated games: Regular 4 · Quick 4

US Chess record as of Sep 18, 2026

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Regular rating

520

Provisional rating · Nov 2026 · 4 published updates since Aug 2026

Nov 2026520 provisional

Compare format

Aug 2026Nov 2026

4 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-4 Quick vs Regular (provisional)
Typical for 500–599 regular players: -3 (middle half -12 to +8, 2,095 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +42; Sep 2026 to Oct 2026
Biggest drop: -40; Aug 2026 to Sep 2026
Longest rise: 1 update; +42 from Sep 2026 to Oct 2026
Current run: 1 update; Unchanged since Oct 2026
Typical move: ±27; Mean absolute change; spread ±41

Regular rating in context

Nov 2026 update

United States

#57,664of 83,032 rated members · higher than 30.4%

25,310 lower · 59 same rating · 57,663 higher · ties share a rank

California

#6,710of 9,288 rated members · higher than 27.7%

2,575 lower · 4 same rating · 6,709 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 10,725 within 100 points of 520 (this player included)

Player · 520

01,4252,850

500–549: 2,672 members (3.2%) · highlighted band is the player’s · dashed line is the target

Target 550

32.3% below 550 (26,897 of 83,032; 30.4% below 520)

Percentile over time · United States

30.4% higher than · Nov 2026 · rank #57,664 of 83,032

Since Aug 2026
-0.5 pts

Aug 2026Nov 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 Nov 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 California 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 Ws Clark, James
Month	Regular	Quick
Nov 2026	520 Pno change · 8 games	516 Pno change · 8 games
Oct 2026	520 P+42 · 8 games	516 P+40 · 8 games
Sep 2026	478 P-40 · 4 games	476 P-41 · 4 games
Aug 2026	518 P4 games	517 P4 games

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