USCF player statistics

Donnelly, Samuel

USCF 14746487TexasUpdated: 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

1,6540 since Oct 2026

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

Nov 20261,654 Regular
Dec 2025: 1631Jan 2026: 1631Feb 2026: 1637Mar 2026: 1637Apr 2026: 1618May 2026: 1654Jun 2026: 1655Jul 2026: 1655Aug 2026: 1655Sep 2026: 1654Oct 2026: 1654Nov 2026: 1654
Dec 2025Nov 2026
12 updates in this window · +23 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -100 Quick vs Regular

    No national baseline for this rating band yet.

  • -149 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+36
Apr 2026 to May 2026
Biggest drop
-19
Mar 2026 to Apr 2026
Longest rise
2 updates
+37 from Apr 2026 to Jun 2026
Current run
2 updates
Unchanged since Sep 2026
Typical move
±6
Mean absolute change; spread ±12.8

Published ratings by month

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

Monthly USCF ratings for Donnelly, Samuel
MonthRegularQuickBlitz
Nov 20261,654no change1,554no change1,505 Pno change · 15 games
Oct 20261,654no change1,554no change1,505 Pno change · 15 games
Sep 20261,654-11,554no change1,505 Pno change · 15 games
Aug 20261,655no change1,554no change1,505 Pno change · 15 games
Jul 20261,655no change1,554no change1,505 Pno change · 15 games
Jun 20261,655+11,554no change1,505 Pno change · 15 games
May 20261,654+361,554no change1,505 Pno change · 15 games
Apr 20261,618-191,554no change1,505 Pno change · 15 games
Mar 20261,637no change1,554-251,505 Pno change · 15 games
Feb 20261,637+61,579no change1,505 Pno change · 15 games
Jan 20261,631no change1,579no change1,505 Pno change · 15 games
Dec 20251,6311,5791,505 P15 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.