USCF player statistics

Mok, Erwin

USCF 17022206Updated: Nov 2026

US Chess membership expired on December 31, 2025. Published rating history is still shown below.

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Rating format

Regular rating

1,5130 since Oct 2026

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

Nov 20261,513 Regular
Dec 2025: 1399Jan 2026: 1399Feb 2026: 1513Mar 2026: 1513Apr 2026: 1513May 2026: 1513Jun 2026: 1513Jul 2026: 1513Aug 2026: 1513Sep 2026: 1513Oct 2026: 1513Nov 2026: 1513
Dec 2025Nov 2026
12 updates in this window · +114 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -919 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -453 Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

  • -383 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
+114
Jan 2026 to Feb 2026
Biggest drop
—
No drop between published updates yet
Longest rise
1 update
+114 from Jan 2026 to Feb 2026
Current run
9 updates
Unchanged since Feb 2026
Typical move
±10
Mean absolute change; spread ±34.4

Published ratings by month

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

Monthly USCF ratings for Mok, Erwin
MonthRegularQuickBlitzOnline Regular
Nov 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Oct 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Sep 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Aug 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Jul 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Jun 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
May 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Apr 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Mar 20261,513no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Feb 20261,513+114594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Jan 20261,399no change594 Pno change · 8 games1,060 Pno change · 20 games1,130 Pno change · 23 games
Dec 20251,399594 P8 games1,060 P20 games1,130 P23 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.