Warren Hill backstopped the Six Nations Chiefs to victory on Sunday. Photo by Darryl Smart. By Sam Laskaris Writer Thanks in large part to a nine-point performance from Dhane Smith, the Six Nations Chiefs managed to win the series-opening game of their league final on Sunday. The Chiefs downed the Peterborough Lakers 11-6 in the opening match of their best-of-seven Major Series Lacrosse (MSL) championship series. The contest was held at the Chiefs’ home, Iroquois Lacrosse Arena. The series resumes Tuesday night at the Peterborough Memorial Centre. The opening faceoff is scheduled for 8 p.m. Chiefs’ head coach John Tavares had plenty of praise for Smith, whose nine points on Sunday was a season high for him. Smith has been on fire in the post-season. During the Chiefs’ four-game…