By Sam Laskaris Writer Six Nations Chiefs’ head coach John Tavares summed up the contest rather nicely. “They showed up,” he said. “They had a great game. They brought a lot of energy. They capitalized on all of their opportunities.” The problem is, however, that Tavares was talking about the visiting Victoria Shamrocks and not his own squad. The Shamrocks edged the Six Nations club 9-8 on Friday night in the opening game of the best-of-seven Mann Cup series being held at the Iroquois Lacrosse Arena. The two teams are right back at it on Saturday. The opening faceoff for Game 2 is scheduled for 7 p.m. The Chiefs, the defending Mann Cup champions, found themselves in a hole early on in Friday’s outing. Victoria built a 3-1 lead midway…