USCF player statistics

Arunachalam, Mahesh

USCF 15107357CaliforniaUpdated: Jul 2026

US Chess membership expired on July 31, 2023. Published rating history is still shown below.

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Rating format

Regular rating

9490 since Jun 2026

Published rating · Jul 2026 · 8 published updates since Dec 2025

Jul 2026949 Regular
Dec 2025: 949Jan 2026: 949Feb 2026: 949Mar 2026: 949Apr 2026: 949May 2026: 949Jun 2026: 949Jul 2026: 949
Dec 2025Jul 2026
8 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -38 Quick 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
—
No drop between published updates yet
Longest rise
—
No consecutive gains yet
Current run
7 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 Arunachalam, Mahesh
MonthRegularQuick
Jul 2026949no change911no change
Jun 2026949no change911no change
May 2026949no change911no change
Apr 2026949no change911no change
Mar 2026949no change911no change
Feb 2026949no change911no change
Jan 2026949no change911no change
Dec 2025949911
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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.