USCF player statistics

Ostrowski, Adam

USCF 32750680New YorkLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

918

Provisional rating

850900950Jan 2026: 918 (provisional)Feb 2026: 918 (provisional)Mar 2026: 918 (provisional)Apr 2026: 918 (provisional)May 2026: 918 (provisional)Jun 2026: 918 (provisional)Jul 2026: 918 (provisional)Aug 2026: 918 (provisional)Sep 2026: 918 (provisional)Jan 2026Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Regular rating in context

United States

#38,276

Among 83,635 rated members; tied ratings share a rank.

Higher than 54.1% of ratings in this population.

New York

#4,165

Among 9,415 rated members; tied ratings share a rank.

Higher than 55.7% 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.

Monthly USCF ratings for Ostrowski, Adam
SupplementRegularQuick
Sep 2026918 P910 P
Aug 2026918 P910 P
Jul 2026918 P910 P
Jun 2026918 P910 P
May 2026918 P910 P
Apr 2026918 P910 P
Mar 2026918 P909 P
Feb 2026918 P909 P
Jan 2026918 P910 P

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About these statistics

These pages use the USCF supplements available to Chess67. Ratings can change between monthly publications. Missing months do not mean a player was inactive. For current ratings and tournament history, consult the official US Chess record.

National USCF statisticsNew York USCF statistics