USCF player statistics

Ostroski, Michael

USCF 15815566TennesseeUpdated: Nov 2026

US Chess membership expired on February 29, 2024. Published rating history is still shown below.

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Rating format

Regular rating

482

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

Nov 2026482 provisional
Dec 2025: 482 provisionalJan 2026: 482 provisionalFeb 2026: 482 provisionalMar 2026: 482 provisionalApr 2026: 482 provisionalMay 2026: 482 provisionalJun 2026: 482 provisionalJul 2026: 482 provisionalAug 2026: 482 provisionalSep 2026: 482 provisionalOct 2026: 482 provisionalNov 2026: 482 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12 updates in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity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

  • -33 Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -74 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
—
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 Ostroski, Michael
MonthRegularQuickBlitz
Nov 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Oct 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Sep 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Aug 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Jul 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Jun 2026482 Pno change · 14 games449 Pno change · 14 games408no change
May 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Apr 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Mar 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Feb 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Jan 2026482 Pno change · 14 games449 Pno change · 14 games408no change
Dec 2025482 P14 games449 P14 games408
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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.