six-pointer

noun
  1. informal a football match between two teams in similar positions in the league table, considered as being worth six points as it not only gains the winning team three points but denies three points to the losing team
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012