USCF player statistics

Choi, Robert Y.

USCF 16541781New JerseyUpdated: Nov 2026

Official US Chess record

Gender: Male
US Chess reported rank: #16,182 national · #678 in state
Floor: Regular 150 · Quick 150 · Online Regular 100

US Chess record as of Sep 15, 2026

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Regular rating

1,3730 since Oct 2026

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

Nov 20261,373 Regular

Compare format

Dec 2025Nov 2026

12 updates in this window · +125 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

-55 Quick vs Regular
Typical for 1,300–1,399 regular players: -69 (middle half -132 to -27, 2,026 established members). This gap is within the typical range.
-291 Online Regular vs Regular
Typical for 1,300–1,399 regular players: -262 (middle half -417 to -114, 187 established members). This gap is within the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +115; May 2026 to Jun 2026
Biggest drop: -25; Aug 2026 to Sep 2026
Longest rise: 1 update; +115 from May 2026 to Jun 2026
Current run: 2 updates; Unchanged since Sep 2026
Typical move: ±16; Mean absolute change; spread ±37

Regular rating in context

Nov 2026 update

United States

#21,802of 83,032 rated members · higher than 73.7%

61,196 lower · 35 same rating · 21,801 higher · ties share a rank

New Jersey

#917of 3,071 rated members · higher than 70.1%

2,154 lower · 1 same rating · 916 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 6,959 within 100 points of 1,373 (this player included)

Player · 1,373

01,4252,850

1,350–1,399: 1,656 members (1.9%) · highlighted band is the player’s · dashed line is the target

Target 1,400

74.8% below 1,400 (62,111 of 83,032; 73.7% below 1,373)

Percentile over time · United States

73.7% higher than · Nov 2026 · rank #21,802 of 83,032

Since Dec 2025
+4.9 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 Choi, Robert Y.
Month	Regular	Quick	Online Regular
Nov 2026	1,373no change	1,318no change	1,082no change
Oct 2026	1,373no change	1,318no change	1,082no change
Sep 2026	1,373-25	1,318-28	1,082no change
Aug 2026	1,398no change	1,346no change	1,082no change
Jul 2026	1,398no change	1,346no change	1,082no change
Jun 2026	1,398+115	1,346+135	1,082no change
May 2026	1,283no change	1,211no change	1,082no change
Apr 2026	1,283no change	1,211no change	1,082no change
Mar 2026	1,283+35	1,211no change	1,082no change
Feb 2026	1,248no change	1,211no change	1,082no change
Jan 2026	1,248no change	1,211no change	1,082no change
Dec 2025	1,248	1,211	1,082

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