USCF player statistics

Windsor, Mark

USCF 12822512TexasLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

657

Provisional rating

600650700Dec 2025: 657 (provisional)Jan 2026: 657 (provisional)Feb 2026: 657 (provisional)Mar 2026: 657 (provisional)Apr 2026: 657 (provisional)May 2026: 657 (provisional)Jun 2026: 657 (provisional)Jul 2026: 657 (provisional)Aug 2026: 657 (provisional)Sep 2026: 657 (provisional)Dec 2025Sep 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Regular rating in context

United States

#50,419

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

Higher than 39.6% of ratings in this population.

Texas

#5,352

Among 10,810 rated members; tied ratings share a rank.

Higher than 50.4% 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 Windsor, Mark
SupplementRegularQuickOnline QuickOnline Blitz
Sep 2026657 P647 P1,147 P1,236 P
Aug 2026657 P647 P1,147 P1,236 P
Jul 2026657 P647 P1,147 P1,236 P
Jun 2026657 P647 P1,147 P1,236 P
May 2026657 P647 P1,147 P1,236 P
Apr 2026657 P647 P1,147 P1,236 P
Mar 2026657 P647 P1,147 P1,236 P
Feb 2026657 P647 P1,147 P1,236 P
Jan 2026657 P647 P1,147 P1,236 P
Dec 2025657 P647 P1,147 P1,236 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 statisticsTexas USCF statistics