USCF player statistics

Welch, Mason Jeffery

USCF 16223184CaliforniaUpdated: Nov 2026

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

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Rating format

Regular rating

1,9030 since Oct 2026

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

Nov 20261,903 Regular
Dec 2025: 1907Jan 2026: 1907Feb 2026: 1907Mar 2026: 1903Apr 2026: 1903May 2026: 1903Jun 2026: 1903Jul 2026: 1903Aug 2026: 1903Sep 2026: 1903Oct 2026: 1903Nov 2026: 1903
Dec 2025Nov 2026
12 updates in this window · -4 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -163 Quick vs Regular

    No national baseline for this rating band yet.

  • -622 Blitz vs Regular

    No national baseline for this rating band yet.

  • -383 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -649 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -586 Online Blitz vs Regular

    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
-4
Feb 2026 to Mar 2026
Longest rise
—
No consecutive gains yet
Current run
8 updates
Unchanged since Mar 2026
Typical move
±0
Mean absolute change; spread ±1.2

Published ratings by month

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

Monthly USCF ratings for Welch, Mason Jeffery
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Nov 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Oct 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Sep 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Aug 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Jul 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Jun 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
May 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Apr 20261,903no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Mar 20261,903-41,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Feb 20261,907no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Jan 20261,907no change1,740no change1,281no change1,520 Pno change · 15 games1,254 Pno change · 11 games1,317no change
Dec 20251,9071,7401,2811,520 P15 games1,254 P11 games1,317
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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.