Post origin:

Teams most affected by origin,

2003
ORIGIN 1

BRONCOS beat raiders[away]
ROOSTERS beat cowboys [home]
BULLDOGS beat manly [home]

ORIGIN 2

BRONCOS beat roosters [home]
ROOSTERS lost broncos [away]
BULLDOGS lost penrith [away]

ORIGIN 3

BRONCOS beat storm [away]
ROOSTERS beat manly [away]
BULLDOGS bye

2004
ORIGIN 1

BRONCOS beat stgeorge [home]
ROOSTERS beat warriors [home]
BULLDOGS lost penrith [away]
STGEORGE lost broncos [away]
PENRITH beat bulldogs [home]
STORM beat knights [away]
COWBOYS bye

ORIGIN 2

BRONCOS beat eels [away]
ROOSTERS beat knights [home]
BULLDOGS beat raiders [neutral] home game
COWBOYS beat warriors [away]
PENRITH beat sharks [away]
STGEORGE beat w/tigers [home] only 1 player
STORM bye