Competitions
US Open 2007
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June 16, 2007 – June 17, 2007[Chicago Cultural Center](http://egov.cityofchicago.org/city/webportal/portalEntityHomeAction.do?entityName=Cultural+Center&entityNameEnumValue=128) · Chicago, Illinois, US70 people15 eventsNo one is registered yet.
Source: the competition's WCA registration list and official WCA results.