USCF player statistics

Harkema, Scott M

USCF 16862026OhioUpdated: Nov 2026

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

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Rating format

Regular rating

1,7100 since Oct 2026

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

Nov 20261,710 Regular
Dec 2025: 1699Jan 2026: 1699Feb 2026: 1699Mar 2026: 1699Apr 2026: 1699May 2026: 1710Jun 2026: 1710Jul 2026: 1710Aug 2026: 1710Sep 2026: 1710Oct 2026: 1710Nov 2026: 1710
Dec 2025Nov 2026
12 updates in this window · +11 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -24 Quick vs Regular

    No national baseline for this rating band yet.

  • -267 Blitz vs Regular

    No national baseline for this rating band yet.

  • -109 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -186 Online Quick vs Regular

    No national baseline for this rating band yet.

  • -70 Online Blitz vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+11
Apr 2026 to May 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+11 from Apr 2026 to May 2026
Current run
6 updates
Unchanged since May 2026
Typical move
±1
Mean absolute change; spread ±3.3

Published ratings by month

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

Monthly USCF ratings for Harkema, Scott M
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Nov 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Oct 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Sep 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Aug 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Jul 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Jun 20261,710no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
May 20261,710+111,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Apr 20261,699no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Mar 20261,699no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Feb 20261,699no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Jan 20261,699no change1,686no change1,443no change1,601 Pno change · 11 games1,524no change1,640no change
Dec 20251,6991,6861,4431,601 P11 games1,5241,640
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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.