Chennai, Apr 8 (UNI) After a dominating show by the bowlers, skipper Ruturaj Gaikwad led from the front with a timely half century, his first in this edition, as home favourites and 5-time champions Chennai Super Kings (CSK) scored a resoundingseven wicket win over Kolkata Knight Riders (KKR) at the M.A.Chidambaram Stadiumhere on Monday night.