USCF player statistics

Matamba, Ruben S

USCF 16495046TexasUpdated: Sep 2026

US Chess membership expired on September 30, 2023. Published rating history is still shown below.

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Rating format

Regular rating

867-1 since Aug 2026

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

Sep 2026867 Regular
Dec 2025: 868Jan 2026: 868Feb 2026: 868Mar 2026: 868Apr 2026: 868May 2026: 868Jun 2026: 868Jul 2026: 868Aug 2026: 868Sep 2026: 867
Dec 2025Sep 2026
10 updates in this window · -1 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +20 Quick vs Regular

    No national baseline for this rating band yet.

  • +29 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
—
No gain between published updates yet
Biggest drop
-1
Aug 2026 to Sep 2026
Longest rise
—
No consecutive gains yet
Updates that moved
1 of 9
Latest -1, Aug 2026 to Sep 2026
Typical move
±0
Mean absolute change; spread ±0.3

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Matamba, Ruben S
MonthRegularQuickOnline Quick
Sep 2026867-1887no change896 Pno change · 17 games
Aug 2026868no change887no change896 Pno change · 17 games
Jul 2026868no change887no change896 Pno change · 17 games
Jun 2026868no change887no change896 Pno change · 17 games
May 2026868no change887no change896 Pno change · 17 games
Apr 2026868no change887no change896 Pno change · 17 games
Mar 2026868no change887no change896 Pno change · 17 games
Feb 2026868no change887no change896 Pno change · 17 games
Jan 2026868no change887no change896 Pno change · 17 games
Dec 2025868887896 P17 games

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.