USCF player statistics

Su, Darren

USCF 16623630IdahoUpdated: 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

1,5940 since Oct 2026

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

Nov 20261,594 Regular
Dec 2025: 1547Jan 2026: 1547Feb 2026: 1547Mar 2026: 1547Apr 2026: 1547May 2026: 1547Jun 2026: 1547Jul 2026: 1547Aug 2026: 1547Sep 2026: 1594Oct 2026: 1594Nov 2026: 1594
Dec 2025Nov 2026
12 updates in this window · +47 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -74 Quick vs Regular

    No national baseline for this rating band yet.

  • -435 Blitz vs Regular

    No national baseline for this rating band yet.

  • -450 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -323 Online Quick vs Regular

    No national baseline for this rating band yet.

  • -213 Online Blitz vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+47
Aug 2026 to Sep 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+47 from Aug 2026 to Sep 2026
Current run
2 updates
Unchanged since Sep 2026
Typical move
±4
Mean absolute change; spread ±14.2

Published ratings by month

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

Monthly USCF ratings for Su, Darren
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Nov 20261,594no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Oct 20261,594no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Sep 20261,594+471,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Aug 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Jul 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Jun 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
May 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Apr 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Mar 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Feb 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Jan 20261,547no change1,520no change1,159no change1,144 Pno change · 24 games1,271no change1,381no change
Dec 20251,5471,5201,1591,144 P24 games1,2711,381
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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.