USCF player statistics

Sobolev, Igor

USCF 14236880New JerseyUpdated: Nov 2026

Official US Chess record

Gender: Male
FIDE: FIDE 30957761
US Chess reported rank: #4,396 national · #207 in state
Floor: Regular 1,700 · Quick 1,600 · Blitz 1,800

US Chess record as of Sep 15, 2026

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Regular rating

1,8770 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 20261,877 Regular

Compare format

Dec 2025Nov 2026

12 updates in this window · -10 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-190 Quick vs Regular
Typical for 1,800–1,899 regular players: -129 (middle half -220 to -73, 1,805 established members). This gap is within the typical range.
-77 Blitz vs Regular
Typical for 1,800–1,899 regular players: -208 (middle half -342 to -93, 996 established members). This gap is above the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: —; No gain between published updates yet
Biggest drop: -10; Jan 2026 to Feb 2026
Longest rise: —; No consecutive gains yet
Current run: 9 updates; Unchanged since Feb 2026
Typical move: ±1; Mean absolute change; spread ±3

Regular rating in context

Nov 2026 update

United States

#5,720of 83,032 rated members · higher than 93%

77,295 lower · 18 same rating · 5,719 higher · ties share a rank

New Jersey

#259of 3,071 rated members · higher than 91.5%

2,812 lower · 1 same rating · 258 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 4,766 within 100 points of 1,877 (this player included)

Player · 1,877

01,4252,850

1,850–1,899: 1,092 members (1.3%) · highlighted band is the player’s · dashed line is the target

Target 1,900

93.6% below 1,900 (77,784 of 83,032; 93% below 1,877)

Percentile over time · United States

93% higher than · Nov 2026 · rank #5,720 of 83,032

Since Dec 2025
-0.2 pts

Dec 2025Nov 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 New Jersey 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 Sobolev, Igor
Month	Regular	Quick	Blitz
Nov 2026	1,877no change	1,687-23	1,800no change
Oct 2026	1,877no change	1,710no change	1,800no change
Sep 2026	1,877no change	1,710no change	1,800no change
Aug 2026	1,877no change	1,710no change	1,800no change
Jul 2026	1,877no change	1,710no change	1,800no change
Jun 2026	1,877no change	1,710no change	1,800no change
May 2026	1,877no change	1,710no change	1,800no change
Apr 2026	1,877no change	1,710no change	1,800-17
Mar 2026	1,877no change	1,710no change	1,817-8
Feb 2026	1,877-10	1,710-6	1,825+25
Jan 2026	1,887no change	1,716no change	1,800no change
Dec 2025	1,887	1,716	1,800

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