Deccan Chargers beat Chennai Super Kings by six wickets in an Indian Premier League match here on Saturday. Brief Scores: Chennai Super Kings: 138 for 8 in 20 overs (Suresh Raina 52; Ryan Harris 3/18). Deccan Chargers: 139 for 4 in 19.1 overs (T Suman 55; R Ashwin 2/13