USCF player statistics
Ostrovsky, Valerie
Official US Chess recordOnline Regular rating
489
Provisional rating
Online Regular rating in context
United States
Among 8,137 rated members; tied ratings share a rank.
Higher than 11.5% of ratings in this population.
Oregon
Among 137 rated members; tied ratings share a rank.
Higher than 14.5% of ratings in this population.
Calculated from the Sep 2026 supplement, using the same population as Chess67’s USCF statistics: US members classified as active by the supplement rules, excluding lifetime-coded records. Includes provisional ratings. These are Chess67 calculations, not official US Chess rankings.
Published ratings by supplement
All available formats. P indicates a provisional rating.
| Supplement | Online Regular |
|---|---|
| Sep 2026 | 489 P |
| Aug 2026 | 489 P |
| Jul 2026 | 489 P |
| Jun 2026 | 489 P |
| May 2026 | 489 P |
| Apr 2026 | 489 P |
| Mar 2026 | 489 P |
| Feb 2026 | 489 P |
| Jan 2026 | 489 P |
| Dec 2025 | 489 P |
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