BIG KAHUNA TEAM CHALLENGE AVERAGES: IS BASED ON YOUR LAST 24 GAMES BOWLED.YOUR BKTC AVERAGE IS USED ONLY IF IT IS HIGHER THAN YOUR BOWL.COM COMPOSITE AVERAGE (i.e. BKTC Ave 177, Bowl.com Comp Ave 165. “177 is your entering average” BIG KAHUNA TEAM CHALLENGE AVERAGES: IS BASED ON YOUR LAST 24 GAMES BOWLED.YOUR BKTC AVERAGE IS USED ONLY IF IT IS HIGHER THAN YOUR BOWL.COM COMPOSITE AVERAGE (i.e. BKTC Ave 177, Bowl.com Comp Ave 165. “177 is your entering average”