USCF player statistics

O'Rourke, William Andrew

USCF 15364950PennsylvaniaUpdated: Dec 2025

US Chess membership expired on June 30, 2022. Published rating history is still shown below.

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Rating format

Regular rating

850

Provisional rating · Dec 2025 · 1 published update since Dec 2025

Dec 2025850 provisional
Dec 2025: 850 provisional
Dec 2025
1 update in this window · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Published ratings by month

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

Monthly USCF ratings for O'Rourke, William Andrew
MonthRegular
Dec 2025850 P9 games
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About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.