USCF player statistics

Quinn, William Seamus

USCF 30013999IllinoisLatest available supplement: Sep 2026
Official US Chess record
Rating format

Regular rating

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110012001300Dec 2025: 1240 (provisional)Jan 2026: 1240 (provisional)Feb 2026: 1240 (provisional)Mar 2026: 1240 (provisional)Apr 2026: 1240 (provisional)May 2026: 1169 (provisional)Jun 2026: 1158 (provisional)Dec 2025Jun 2026
Published supplement ratings. Lines connect available observations; they do not show individual tournament results.

Published ratings by supplement

All available formats. P indicates a provisional rating.

Monthly USCF ratings for Quinn, William Seamus
SupplementRegularQuick
Sep 2026—1,140 P
Aug 2026—1,140 P
Jul 2026—1,140 P
Jun 20261,158 P1,145 P
May 20261,169 P1,162 P
Apr 20261,240 P1,233 P
Mar 20261,240 P1,233 P
Feb 20261,240 P1,233 P
Jan 20261,240 P1,233 P
Dec 20251,240 P1,233 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 statisticsIllinois USCF statistics