USCF player statistics

Ostrovskiy, Aleksandr

USCF 12881112New YorkUpdated: Oct 2026

US Chess membership expired on September 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

2,444-11 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 20262,444 Regular
Dec 2025: 2447Jan 2026: 2446Feb 2026: 2446Mar 2026: 2444Apr 2026: 2454May 2026: 2454Jun 2026: 2418Jul 2026: 2434Aug 2026: 2455Sep 2026: 2455Oct 2026: 2444
Dec 2025Oct 2026
11 updates in this window · -3 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -13 Quick vs Regular

    No national baseline for this rating band yet.

  • -20 Blitz vs Regular

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+21
Jul 2026 to Aug 2026
Biggest drop
-36
May 2026 to Jun 2026
Longest rise
2 updates
+37 from Jun 2026 to Aug 2026
Updates that moved
7 of 10
Latest -11, Sep 2026 to Oct 2026
Typical move
±10
Mean absolute change; spread ±15.7

Published ratings by month

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

Monthly USCF ratings for Ostrovskiy, Aleksandr
MonthRegularQuickBlitz
Oct 20262,444-112,431no change2,424no change
Sep 20262,455no change2,431no change2,424no change
Aug 20262,455+212,431no change2,424-3
Jul 20262,434+162,431no change2,427no change
Jun 20262,418-362,431no change2,427no change
May 20262,454no change2,431no change2,427no change
Apr 20262,454+102,431no change2,427no change
Mar 20262,444-22,431no change2,427no change
Feb 20262,446no change2,431no change2,427+2
Jan 20262,446-12,431no change2,425no change
Dec 20252,4472,4312,425
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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.