USCF player statistics

Ostrovsky, Valerie

USCF 30472022OregonUpdated: Oct 2026

Official US Chess record

Gender: Female
US Chess reported rank: #16,414 national · #215 in state
Floor: Regular 150 · Quick 150 · Blitz 150 · Online Regular 100
Rated games: Online Regular 12

US Chess record as of Sep 15, 2026

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Regular rating

1,3640 since Sep 2026

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

Oct 20261,364 Regular

Compare format

Dec 2025Oct 2026

11 updates in this window · +344 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Compare with another playerOverlays their published ratings on the chart; the link keeps the comparison.

Other formats against Regular

-43 Quick vs Regular
Typical for 1,300–1,399 regular players: -72 (middle half -140 to -27, 1,944 established members). This gap is within the typical range.
-131 Blitz vs Regular
Typical for 1,300–1,399 regular players: -199 (middle half -330 to -58, 571 established members). This gap is within the typical range.
-875 Online Regular vs Regular (provisional)
Typical for 1,300–1,399 regular players: -240 (middle half -418 to -108, 187 established members). This gap is below the typical range.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain: +180; Feb 2026 to Mar 2026
Biggest drop: —; No drop between published updates yet
Longest rise: 2 updates; +164 from May 2026 to Jul 2026
Current run: 3 updates; Unchanged since Jul 2026
Typical move: ±34; Mean absolute change; spread ±63.4

Regular rating in context

Oct 2026 update

United States

#21,920of 82,596 rated members · higher than 73.4%

60,644 lower · 33 same rating · 21,919 higher · ties share a rank

Oregon

#302of 1,473 rated members · higher than 79.4%

1,170 lower · 2 same rating · 301 higher · ties share a rank

Where this rating sits · United States

82,596 rated members in 50-point bands · median 800–849 · 6,932 within 100 points of 1,364 (this player included)

Player · 1,364

01,4502,900

1,350–1,399: 1,632 members (1.9%) · highlighted band is the player’s · dashed line is the target

Target 1,400

74.8% below 1,400 (61,824 of 82,596; 73.4% below 1,364)

Percentile over time · United States

73.4% higher than · Oct 2026 · rank #21,920 of 82,596

Since Dec 2025
+14.4 pts

Dec 2025Oct 2026

Each month against that month’s active pool, so pool growth and rating drift both count.

How these comparisons are calculated

Chess67 calculations from the Oct 2026 monthly rating update, using the same population as the USCF statistics pages: US members classified as active in the published monthly records, excluding lifetime-coded records, provisional ratings included. Ties share a rank; “lower” is strictly lower; national and state groups overlap. The target explorer keeps the population fixed, with this player at their recorded rating: it is a rating comparison, not a prediction of future rank.

United States statistics Oregon statistics

Published ratings by month

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

Monthly USCF ratings for Ostrovsky, Valerie
Month	Regular	Quick	Blitz	Online Regular
Oct 2026	1,364no change	1,321no change	1,233no change	489 Pno change · 12 games
Sep 2026	1,364no change	1,321no change	1,233no change	489 Pno change · 12 games
Aug 2026	1,364no change	1,321-1	1,233-1	489 Pno change · 12 games
Jul 2026	1,364+49	1,322+33	1,234no change	489 Pno change · 12 games
Jun 2026	1,315+115	1,289+110	1,234no change	489 Pno change · 12 games
May 2026	1,200no change	1,179no change	1,234no change	489 Pno change · 12 games
Apr 2026	1,200no change	1,179no change	1,234no change	489 Pno change · 12 games
Mar 2026	1,200+180	1,179+199	1,234no change	489 Pno change · 12 games
Feb 2026	1,020no change	980no change	1,234no change	489 Pno change · 12 games
Jan 2026	1,020no change	980no change	1,234no change	489 Pno change · 12 games
Dec 2025	1,020	980	1,234	489 P12 games

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