USCF player statistics

Harper, Jack W

USCF 15749096ArkansasUpdated: Nov 2026

US Chess membership expired on June 30, 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 AR appear first.

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

Regular rating

697

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

Nov 2026697 provisional
Dec 2025: 697 provisionalJan 2026: 697 provisionalFeb 2026: 696 provisionalMar 2026: 697 provisionalApr 2026: 697 provisionalMay 2026: 697 provisionalJun 2026: 697 provisionalJul 2026: 697 provisionalAug 2026: 697 provisionalSep 2026: 697 provisionalOct 2026: 697 provisionalNov 2026: 697 provisional
Dec 2025Nov 2026
12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -206 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • +250 Blitz vs Regular (provisional)

    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
Jan 2026 to Feb 2026
Longest rise
1 update
+1 from Feb 2026 to Mar 2026
Current run
8 updates
Unchanged since Mar 2026
Typical move
±0
Mean absolute change; spread ±0.4

Published ratings by month

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

Monthly USCF ratings for Harper, Jack W
MonthRegularQuickBlitz
Nov 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Oct 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Sep 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Aug 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Jul 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Jun 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
May 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Apr 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Mar 2026697 P+1 · 11 games491 Pno change · 9 games947 Pno change · 7 games
Feb 2026696 P-1 · 11 games491 Pno change · 9 games947 Pno change · 7 games
Jan 2026697 Pno change · 11 games491 Pno change · 9 games947 Pno change · 7 games
Dec 2025697 P11 games491 P9 games947 P7 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.