USCF player statistics

Pehlivanos, Thomas

USCF 30907524CaliforniaLatest monthly rating update: Sep 2026
Official US Chess record

Regular rating

5170 since Aug 2026

Published rating · Sep 2026 · 10 published updates since Dec 2025

Sep 2026517 Regular
Dec 2025: 503 provisionalJan 2026: 503 provisionalFeb 2026: 503 provisionalMar 2026: 503 provisionalApr 2026: 517May 2026: 517Jun 2026: 517Jul 2026: 517Aug 2026: 517Sep 2026: 517
Dec 2025Sep 2026
10 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity
Overlays their published ratings on the chart; the link keeps the comparison.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+14
Mar 2026 to Apr 2026
Biggest drop
No drop between published updates yet
Longest rise
1 update
+14 from Mar 2026 to Apr 2026
Current run
5 updates
Unchanged since Apr 2026
Typical move
±2
Mean absolute change; spread ±4.7

Regular rating in context

Sep 2026 update

United States

#57,833of 83,635 rated members · higher than 30.7%

25,745 lower · 58 same rating · 57,832 higher · ties share a rank

California

#6,530of 9,051 rated members · higher than 27.7%

2,515 lower · 7 same rating · 6,529 higher · ties share a rank

Where this rating sits · United States

83,635 rated members in 50-point bands · median 800–849 · 10,975 within 100 points of 517 (this player included)

Player · 517
01,4502,900

500549: 2,741 members (3.2%) · highlighted band is the player’s · dashed line is the target

32.8% below 550 (27,504 of 83,635; 30.7% below 517)

How these comparisons are calculated

Chess67 calculations from the Sep 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 Pehlivanos, Thomas
MonthRegular
Sep 2026517no change
Aug 2026517no change
Jul 2026517no change
Jun 2026517no change
May 2026517no change
Apr 2026517+14
Mar 2026503 Pno change · 21 games
Feb 2026503 Pno change · 21 games
Jan 2026503 Pno change · 21 games
Dec 2025503 P21 games

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About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.