Four times - 1955, 04/05, 05/06 and 09/10.
Four times - 1955, 2004/2005, 2005/2006 and 2009/2010.
As of November 2011, Chelsea and Queens Park Rangers have met nine times in the Premier League.
Only twice.
18
Chelsea have never won the Champions Leauge or its predecessor, the European Champions Club Cup.
Chelsea have won the premiere league four times once in 1950, twice with Mourinho and once with Anchelotti.
Twice
3 Premier League titles, 1 old first division title. 1955, 2005, 2006 & 2010
5 times
Chelsea Football Club has won the English Premier League three times ('04-'05, '05-'06, and '09-'10). Also, Chelsea won the first divison league cup in the 1954-1955 season, which was the top tier of English football before the creation of the English Premier League in 1992.
Four times - 1955, 04/05, 05/06 and 09/10
there is no such team as Roversarsenal ? arsenal have won it 21 times chelsea 2 manchetser united 7 and dortmund 5 times