Cape Town - In a match that tested the limits of brotherly love, Hurricanes flyhalf James Marshall clinched the win with an intercept try in the 53rd minute from a pass thrown by his brother, Chiefs fullback Tom Marshall.
James Marshall also kicked the conversion of a 34th-minute penalty try conceded by Tom Marshall for a shoulder charge which prevented a try by Hurricanes winger Julian Savea.
The Chiefs' loss left them in fifth place and means they will play the fourth-placed Highlanders in a quarter-final in Dunedin next weekend. The Highlanders secured fourth with a 44-7 win over the Auckland-based Blues on Friday.
The Chiefs needed a four-try bonus point and a win by more than 37 points to have any chance of displacing the Highlanders from fourth place. They scored the first try of the match - an intercept to winger Bryce Heems - and led 13-0, but conceded the lead to the Hurricanes who scored two tries before halftime.
"There was a lot of pride in this game," said captain Conrad Smith, who joined Ma'a Nonu as the Hurricanes' most-capped player.
"A lot of people said we had nothing to play for and had written us off but we've got a lot of pride in the jersey and it doesn't matter who we're playing or what we're playing for, we want to play well."