USCF player statistics

Ma, Sean

USCF 16395728New YorkUpdated: Nov 2026

US Chess membership expired on June 30, 2025. Published rating history is still shown below.

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Rating format

Regular rating

1,6150 since Oct 2026

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

Nov 20261,615 Regular
Dec 2025: 1615Jan 2026: 1615Feb 2026: 1615Mar 2026: 1615Apr 2026: 1615May 2026: 1615Jun 2026: 1615Jul 2026: 1615Aug 2026: 1615Sep 2026: 1615Oct 2026: 1615Nov 2026: 1615
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -263 Quick vs Regular

    No national baseline for this rating band yet.

  • -508 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

  • -191 Online Regular vs Regular

    No national baseline for this rating band yet.

  • -352 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
—
No gain between published updates yet
Biggest drop
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
11 updates
Unchanged since Dec 2025
Typical move
±0
Mean absolute change; spread ±0

Published ratings by month

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

Monthly USCF ratings for Ma, Sean
MonthRegularQuickBlitzOnline RegularOnline Quick
Nov 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Oct 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Sep 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Aug 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Jul 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Jun 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
May 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Apr 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Mar 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Feb 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Jan 20261,615no change1,352no change1,107 Pno change · 22 games1,424no change1,263 Pno change · 17 games
Dec 20251,6151,3521,107 P22 games1,4241,263 P17 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.