USCF player statistics

Ma, Derek

USCF 16750533Updated: Nov 2026

US Chess membership expired on January 31, 2024. Published rating history is still shown below.

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Rating format

Regular rating

2,043

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

Nov 20262,043 provisional
Dec 2025: 2043 provisionalJan 2026: 2043 provisionalFeb 2026: 2043 provisionalMar 2026: 2043 provisionalApr 2026: 2043 provisionalMay 2026: 2043 provisionalJun 2026: 2043 provisionalJul 2026: 2043 provisionalAug 2026: 2043 provisionalSep 2026: 2043 provisionalOct 2026: 2043 provisionalNov 2026: 2043 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12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -96 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

  • +55 Online Blitz 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, Derek
MonthRegularBlitzOnline Blitz
Nov 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Oct 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Sep 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Aug 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Jul 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Jun 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
May 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Apr 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Mar 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Feb 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Jan 20262,043 Pno change · 19 games1,947 Pno change · 19 games2,098 Pno change · 17 games
Dec 20252,043 P19 games1,947 P19 games2,098 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.