India, April 7 -- Pleased as punch after his game-turning 25-ball-70, RCB's Australian big-hitter Tim David attributed his superb performance against CSK to the inputs provided by his team's batting coach Dinesh Karthik which helped him prepare for these conditions.

David, whom his skipper Rajat Patidar termed as the "best finisher he has ever seen", hit eight sixes apart from three boundaries as RCB piled 250 for 3 and then bowled out CSK for 207.

"I do not change my game much, but I have confidence from all the preparation that I do. It is nice to work with DK (Dinesh Karthik's fraternity name), he is an experienced player in these conditions. I have been in the IPL for a few years and with that kind of preparation, you don't put pres...