Complex sentence: The 2012 season, the first in the new home ground of Christchurch Stadium, saw the Crusaders again reach the playoffs, however they were defeated by the (eventual champion) Chiefs in the semi-final.
Split into simpler sentences: The 2012 season, the first in the new home ground of Christchurch Stadium, saw the Crusaders again reach the playoffs. However, they were defeated by the (eventual champion) Chiefs in the semi-final.