USCF player statistics

Obeng, Isaiah

USCF 31663474MarylandUpdated: Nov 2026
Official US Chess record

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Gender
Male
US Chess reported rank
#52,210 national · #1,075 in state
Floor
Regular 150 · Quick 150 · Blitz 103
Rated games
Regular 25 · Blitz 13

US Chess record as of Sep 16, 2026

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Rating format

Regular rating

637+181 since Oct 2026

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

Nov 2026637 Regular
Dec 2025: 327 provisionalJan 2026: 327 provisionalFeb 2026: 326 provisionalMar 2026: 326 provisionalApr 2026: 455May 2026: 455Jun 2026: 455Jul 2026: 455Aug 2026: 456Sep 2026: 456Oct 2026: 456Nov 2026: 637
Dec 2025Nov 2026
12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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.

Other formats against Regular

  • +128 Quick vs Regular

    Typical for 600–699 regular players: -4 (middle half -16 to +11, 2,305 established members). This gap is above the typical range.

  • -374 Blitz vs Regular (provisional)

    Typical for 600–699 regular players: -61 (middle half -171 to +72, 115 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+181
Oct 2026 to Nov 2026
Biggest drop
-1
Jan 2026 to Feb 2026
Longest rise
1 update
+181 from Oct 2026 to Nov 2026
Updates that moved
4 of 11
Latest +181, Oct 2026 to Nov 2026
Typical move
±28
Mean absolute change; spread ±63.8

Regular rating in context

Nov 2026 update

United States

#51,555of 83,032 rated members · higher than 37.8%

31,421 lower · 57 same rating · 51,554 higher · ties share a rank

Maryland

#1,144of 1,870 rated members · higher than 38.7%

725 lower · 2 same rating · 1,143 higher · ties share a rank

Where this rating sits · United States

83,032 rated members in 50-point bands · median 850–899 · 10,095 within 100 points of 637 (this player included)

Player · 637
01,4252,850

600–649: 2,591 members (3.1%) · highlighted band is the player’s · dashed line is the target

38.6% below 650 (32,088 of 83,032; 37.8% below 637)

Percentile over time · United States

37.8% higher than · Nov 2026 · rank #51,555 of 83,032

Since Dec 2025
+19.3 pts

Dec 2025: higher than 18.5% (rank 65,978 of 81,102)Jan 2026: higher than 18.1% (rank 65,047 of 79,487)Feb 2026: higher than 18.2% (rank 68,570 of 83,940)Mar 2026: higher than 18.1% (rank 65,953 of 80,605)Apr 2026: higher than 26.3% (rank 59,501 of 80,831)May 2026: higher than 26.2% (rank 59,817 of 81,236)Jun 2026: higher than 26.7% (rank 60,934 of 83,290)Jul 2026: higher than 26.9% (rank 60,343 of 82,736)Aug 2026: higher than 26.9% (rank 60,680 of 83,080)Sep 2026: higher than 26.7% (rank 61,211 of 83,635)Oct 2026: higher than 26.4% (rank 60,676 of 82,596)Nov 2026: higher than 37.8% (rank 51,555 of 83,032)
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 Maryland 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 Obeng, Isaiah
MonthRegularQuickBlitz
Nov 2026637+181765+85263 Pno change · 13 games
Oct 2026456no change680no change263 Pno change · 13 games
Sep 2026456no change680no change263 Pno change · 13 games
Aug 2026456+1680no change263 Pno change · 13 games
Jul 2026455no change680+209263 Pno change · 13 games
Jun 2026455no change471no change263 Pno change · 13 games
May 2026455no change471no change263 Pno change · 13 games
Apr 2026455+129471+151263 P+1 · 13 games
Mar 2026326 Pno change · 22 games320 Pno change · 22 games262 Pno change · 13 games
Feb 2026326 P-1 · 22 games320 P-1 · 22 games262 P13 games
Jan 2026327 Pno change · 22 games321 Pno change · 22 games—
Dec 2025327 P22 games321 P22 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.