Through early in the second round, the visiting team is 26-20 in the playoffs, a .565 winning percentage that hasn't been approached since 2012 and has as much to do with the NHL's parity as tactical advantages of playing at home. [...] that doesn't always work as intended if the home team wants to keep its star players away from certain forward lines or defensive pairings. [...] there's a slight rules tweak made two years ago designed to create offense that took one other piece of home-ice advantage away. "In the playoffs, a home game, the crowd, there's energy and there's momentum to take from that, but the road team can play with that, too," Capitals right winger Tom Wilson said. Mike Yeo, whose St.