USCF player statistics

Marroquin, Oscar A

USCF 16804463TexasUpdated: Nov 2026

US Chess membership expired on October 31, 2026. Published rating history is still shown below.

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Rating format

Regular rating

861-45 since Oct 2026

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

Nov 2026861 Regular
Dec 2025: 869Jan 2026: 869Feb 2026: 913Mar 2026: 1140Apr 2026: 1030May 2026: 906Jun 2026: 906Jul 2026: 906Aug 2026: 906Sep 2026: 906Oct 2026: 906Nov 2026: 861
Dec 2025Nov 2026
12 updates in this window · -8 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +212 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+227
Feb 2026 to Mar 2026
Biggest drop
-124
Apr 2026 to May 2026
Longest rise
2 updates
+271 from Jan 2026 to Mar 2026
Updates that moved
5 of 11
Latest -45, Oct 2026 to Nov 2026
Typical move
±50
Mean absolute change; spread ±91.1

Published ratings by month

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

Monthly USCF ratings for Marroquin, Oscar A
MonthRegularQuick
Nov 2026861-451,073-111
Oct 2026906no change1,184no change
Sep 2026906no change1,184no change
Aug 2026906no change1,184no change
Jul 2026906no change1,184no change
Jun 2026906no change1,184no change
May 2026906-1241,184no change
Apr 20261,030-1101,184no change
Mar 20261,140+2271,184+180
Feb 2026913+441,004+16
Jan 2026869no change988no change
Dec 2025869988
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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.