US Open 2007
From Speedsolving.com Wiki
US Open 2007 (often called US Nationals 2007, abbreviated to US Nats 07 or Nats 07) was a speedcubing Championship held at the Chicago Cultural Center in Chicago, Illinois, USA on June 16-17, 2017. It was organized by the US Open 2007 organization team, headed by Dan Lo and Tyson Mao.
