USCF player statistics

Villarreal, Santiago M

USCF 16105111TexasUpdated: Nov 2026

US Chess membership expired on September 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,143-1 since Oct 2026

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

Nov 20261,143 Regular
Dec 2025: 1144Jan 2026: 1143Feb 2026: 1143Mar 2026: 1144Apr 2026: 1144May 2026: 1144Jun 2026: 1144Jul 2026: 1144Aug 2026: 1144Sep 2026: 1144Oct 2026: 1144Nov 2026: 1143
Dec 2025Nov 2026
12 updates in this window · -1 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • +33 Quick vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+1
Feb 2026 to Mar 2026
Biggest drop
-1
Dec 2025 to Jan 2026
Longest rise
1 update
+1 from Feb 2026 to Mar 2026
Updates that moved
3 of 11
Latest -1, Oct 2026 to Nov 2026
Typical move
±0
Mean absolute change; spread ±0.5

Published ratings by month

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

Monthly USCF ratings for Villarreal, Santiago M
MonthRegularQuick
Nov 20261,143-11,176no change
Oct 20261,144no change1,176no change
Sep 20261,144no change1,176no change
Aug 20261,144no change1,176no change
Jul 20261,144no change1,176no change
Jun 20261,144no change1,176no change
May 20261,144no change1,176no change
Apr 20261,144no change1,176no change
Mar 20261,144+11,176no change
Feb 20261,143no change1,176no change
Jan 20261,143-11,176no change
Dec 20251,1441,176
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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.