DescriptionSo much about the start of the N.B.A. finals on Thursday night felt familiar. It had everything to do, of course, with the two teams that took the court for Game 1 at Oracle Arena: the Golden State Warriors and the Cleveland Cavaliers, back at it for the third straight year.The general hope ahead of the opening tip was that these two teams would be capable of reviving the playoffs, which had been mostly a glorified snooze-fest through the first three rounds. Between the two of them, Golden State and Cleveland lost a total of one game — one! — as they made their respective marches to the finals, leaving a trail of also-rans littered in their thunderous wakes.The league has a parity problem — “Obviously, they just blew through the playoffs,” Commissioner Adam Silver said of both teams before the game — but most who tuned in for Thursday’s festivities expected improved competition. That was the assumption, anyway. Or maybe it was just a dream.The Warriors, the league’s resident superpower, delivered a 113-91 victory to strike the first blow in the best-of-seven series. It was nothing short of a drubbing.Kevin Durant, one of the newcomers to the rivalry, collected 38 points, 8 rebounds and 8 assists to lead the Warriors, who shredded their defenders. Layups? Midrange jumpers? Distant 3-pointers? It was an offensive smorgasbord for Golden State, which sampled a bit of everything on the menu.“We feel like we should be able to attack every on every single play, and our guys did that,” said Mike Brown, the Warriors’ acting head coach.Stephen Curry, who scored 28 points, demoralized the Cavaliers early in the third quarter with back-to-back 3-pointers to push the Warriors’ lead to 20. They led by 21 entering the fourth. Golden State took great care of the ball throughout, finishing with 31 assists and four turnovers.“I wouldn’t imagine it,” Brown said of that disparity, “especially going into Game 1 against that team.”LeBron James, whose play for the Cavaliers through the first three rounds was virtually flawless, had an uneven game. He finished with 28 points, 15 rebounds and 8 assists but committed 8 turnovers. He was also assigned to defend Durant for much of the game, and that did not go well for him.