USCF player statistics

Marroquin, Sergio A

USCF 16804457TexasUpdated: 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

1,425+30 since Oct 2026

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

Nov 20261,425 Regular
Dec 2025: 1174Jan 2026: 1174Feb 2026: 1193Mar 2026: 1235Apr 2026: 1190May 2026: 1236Jun 2026: 1236Jul 2026: 1236Aug 2026: 1236Sep 2026: 1236Oct 2026: 1395Nov 2026: 1425
Dec 2025Nov 2026
12 updates in this window · +251 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • +47 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+159
Sep 2026 to Oct 2026
Biggest drop
-45
Mar 2026 to Apr 2026
Longest rise
2 updates
+189 from Sep 2026 to Nov 2026
Updates that moved
6 of 11
Latest +30, Oct 2026 to Nov 2026
Typical move
±31
Mean absolute change; spread ±51.7

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, Sergio A
MonthRegularQuick
Nov 20261,425+301,472+31
Oct 20261,395+1591,441+173
Sep 20261,236no change1,268no change
Aug 20261,236no change1,268no change
Jul 20261,236no change1,268no change
Jun 20261,236no change1,268no change
May 20261,236+461,268no change
Apr 20261,190-451,268no change
Mar 20261,235+421,268+42
Feb 20261,193+191,226+21
Jan 20261,174no change1,205no change
Dec 20251,1741,205
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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.