 Complete the following phrase:  Guus Hiddink was interim manager of Chelsea in 2009, leading his team to the UEFA Champions League semi-final, where they shut out FC Barcelona at Camp Nou and tied them back at Stamford Bridge. The latter was later said as a very controversial game, particularly in decisions made by the referee Tom Henning Øvrebø. Chelsea would be later eliminated on away goals. He finished off his tenure with the team as they won the 