In the battle of spinners among the top two teams of the IPL 2019 so far, it was the experience of Harbhajan Singh and Imran Tahir that trumped the guile of Sunil Narine,Kuldeep Yadav and Piyush Chawla as Chennai Super Kings registered their fifth win in six matches, to go clear of the rest of the field in the points tally, with a seven-wicket win overKolkata Knight Riders in Match 23 on a tricky MA Chidambaram track on Tuesday.