ABC Championships and EBU Chanpionships are all 4 star Tonurnmaments, but they don't belong to IBF Grand Prix Series. The diffrent between them is :
ABC's has US$120,000 prix for players and EBU's has none.

ABC....too bad for those players who are not asians...but that freaking Lin Dan is still there...aihz...

Check this thread here (http://www.badmintoncentral.com/forums/showthread.php?t=29847)