USCF player statistics

Challan, Robert W

USCF 10093244TennesseeUpdated: Oct 2026

Official US Chess record

Gender: Male
Floor: Regular 1,500 · Quick 1,400

US Chess record as of Sep 14, 2026

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Regular rating

1,5000 since Sep 2026

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

Oct 20261,500 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-100 Quick vs Regular
Typical for 1,500–1,599 regular players: -106 (middle half -187 to -48, 2,101 established members). This gap is within 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: 10 updates; Unchanged since Dec 2025
Typical move: ±0; Mean absolute change; spread ±0

Regular rating in context

Oct 2026 update

United States

#17,154of 82,596 rated members · higher than 78.9%

65,187 lower · 256 same rating · 17,153 higher · ties share a rank

Tennessee

#241of 1,157 rated members · higher than 78.8%

912 lower · 5 same rating · 240 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 7,014 within 100 points of 1,500 (this player included)

Player · 1,500

01,4502,900

1,500–1,549: 1,907 members (2.3%) · highlighted band is the player’s · dashed line is the target

Target 1,550

81.2% below 1,550 (67,094 of 82,596; 78.9% below 1,500)

Percentile over time · United States

78.9% higher than · Oct 2026 · rank #17,154 of 82,596

Since Dec 2025
0 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 Tennessee 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 Challan, Robert W
Month	Regular	Quick
Oct 2026	1,500no change	1,400no change
Sep 2026	1,500no change	1,400no change
Aug 2026	1,500no change	1,400no change
Jul 2026	1,500no change	1,400no change
Jun 2026	1,500no change	1,400no change
May 2026	1,500no change	1,400no change
Apr 2026	1,500no change	1,400no change
Mar 2026	1,500no change	1,400no change
Feb 2026	1,500no change	1,400no change
Jan 2026	1,500no change	1,400no change
Dec 2025	1,500	1,400

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