Overnight sole leader, IM Himanshu Sharma maintained his lead at the end of the 6th round of the Parsvnath Commonwealth Chess Championship 2007 being played here at Sirifort Sports Auditorium. On the 2nd board, GM Parimarjan survived a mighty scare against IM Vikramaditya Kamble to wriggle out a draw from the lost position to maintain his joint lead in the 2 nd position. Less