USCF player statistics

Mckenna, Sebastian Ruach

USCF 17000343CaliforniaUpdated: Nov 2026

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

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Rating format

Regular rating

4360 since Oct 2026

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

Nov 2026436 Regular
Dec 2025: 436Jan 2026: 436Feb 2026: 436Mar 2026: 436Apr 2026: 437May 2026: 437Jun 2026: 437Jul 2026: 437Aug 2026: 436Sep 2026: 436Oct 2026: 436Nov 2026: 436
Dec 2025Nov 2026
12 updates in this window · 0 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • 0 Quick vs Regular

    No national baseline for this rating band yet.

  • -109 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -173 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
+1
Mar 2026 to Apr 2026
Biggest drop
-1
Jul 2026 to Aug 2026
Longest rise
1 update
+1 from Mar 2026 to Apr 2026
Current run
3 updates
Unchanged since Aug 2026
Typical move
±0
Mean absolute change; spread ±0.4

Published ratings by month

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

Monthly USCF ratings for Mckenna, Sebastian Ruach
MonthRegularQuickOnline RegularOnline Blitz
Nov 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Oct 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Sep 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Aug 2026436-1436no change327 Pno change · 15 games263 Pno change · 12 games
Jul 2026437no change436no change327 Pno change · 15 games263 Pno change · 12 games
Jun 2026437no change436no change327 Pno change · 15 games263 Pno change · 12 games
May 2026437no change436no change327 Pno change · 15 games263 Pno change · 12 games
Apr 2026437+1436no change327 Pno change · 15 games263 Pno change · 12 games
Mar 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Feb 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Jan 2026436no change436no change327 Pno change · 15 games263 Pno change · 12 games
Dec 2025436436327 P15 games263 P12 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.