USCF player statistics

Wongso, Merissa

USCF 15914671ArizonaUpdated: Nov 2026

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

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Rating format

Regular rating

1,8170 since Oct 2026

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

Nov 20261,817 Regular
Dec 2025: 1820Jan 2026: 1820Feb 2026: 1820Mar 2026: 1820Apr 2026: 1820May 2026: 1820Jun 2026: 1817Jul 2026: 1817Aug 2026: 1817Sep 2026: 1817Oct 2026: 1817Nov 2026: 1817
Dec 2025Nov 2026
12 updates in this window · -3 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -185 Quick vs Regular

    No national baseline for this rating band yet.

  • -300 Blitz vs Regular

    No national baseline for this rating band yet.

  • -182 Online Regular 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
-3
May 2026 to Jun 2026
Longest rise
—
No consecutive gains yet
Current run
5 updates
Unchanged since Jun 2026
Typical move
±0
Mean absolute change; spread ±0.9

Published ratings by month

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

Monthly USCF ratings for Wongso, Merissa
MonthRegularQuickBlitzOnline Regular
Nov 20261,817no change1,632no change1,517no change1,635 Pno change · 16 games
Oct 20261,817no change1,632no change1,517no change1,635 Pno change · 16 games
Sep 20261,817no change1,632-11,517no change1,635 Pno change · 16 games
Aug 20261,817no change1,633no change1,517no change1,635 Pno change · 16 games
Jul 20261,817no change1,633no change1,517no change1,635 Pno change · 16 games
Jun 20261,817-31,633+91,517no change1,635 Pno change · 16 games
May 20261,820no change1,624no change1,517no change1,635 Pno change · 16 games
Apr 20261,820no change1,624no change1,517no change1,635 Pno change · 16 games
Mar 20261,820no change1,624no change1,517no change1,635 Pno change · 16 games
Feb 20261,820no change1,624no change1,517no change1,635 Pno change · 16 games
Jan 20261,820no change1,624no change1,517no change1,635 Pno change · 16 games
Dec 20251,8201,6241,5171,635 P16 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.