USCF player statistics

Willis, Samuel

USCF 17015860MarylandUpdated: Nov 2026

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

Join / Renew USCF
Official US Chess record

Enter an 8-digit USCF ID, or at least 3 letters of a name. Similar names in MD appear first.

Find USCF-rated tournamentsBrowse upcoming events and entry requirements.
Rating format

Regular rating

9930 since Oct 2026

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

Nov 2026993 Regular
Dec 2025: 888Jan 2026: 888Feb 2026: 888Mar 2026: 888Apr 2026: 887May 2026: 887Jun 2026: 1037Jul 2026: 1037Aug 2026: 994Sep 2026: 994Oct 2026: 993Nov 2026: 993
Dec 2025Nov 2026
12 updates in this window · +105 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -27 Quick vs Regular

    No national baseline for this rating band yet.

  • -418 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -514 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
+150
May 2026 to Jun 2026
Biggest drop
-43
Jul 2026 to Aug 2026
Longest rise
1 update
+150 from May 2026 to Jun 2026
Current run
1 update
Unchanged since Oct 2026
Typical move
±18
Mean absolute change; spread ±48.3

Published ratings by month

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

Monthly USCF ratings for Willis, Samuel
MonthRegularQuickOnline RegularOnline Quick
Nov 2026993no change966no change575 Pno change · 11 games479 Pno change · 17 games
Oct 2026993-1966-1575 Pno change · 11 games479 Pno change · 17 games
Sep 2026994no change967no change575 Pno change · 11 games479 Pno change · 17 games
Aug 2026994-43967-54575 Pno change · 11 games479 Pno change · 17 games
Jul 20261,037no change1,021no change575 Pno change · 11 games479 Pno change · 17 games
Jun 20261,037+1501,021+164575 Pno change · 11 games479 Pno change · 17 games
May 2026887no change857no change575 Pno change · 11 games479 Pno change · 17 games
Apr 2026887-1857no change575 Pno change · 11 games479 Pno change · 17 games
Mar 2026888no change857no change575 Pno change · 11 games479 Pno change · 17 games
Feb 2026888no change857no change575 Pno change · 11 games479 Pno change · 17 games
Jan 2026888no change857no change575 Pno change · 11 games479 Pno change · 17 games
Dec 2025888857575 P11 games479 P17 games
Chess67 DiscordChat with the Chess67 community.Open Find a chess tournamentUpcoming events near you.Browse Find a chess clubClubs and meetups near you.Browse

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.