In both codes, a goal scored by place kick after a try (a "conversion") scores two points-giving an incentive for teams to try and score near the centre such that the conversion is more attainable.
In both codes, a goal scored by place kick after a try (a "conversion") scores two points. The kick is taken from a position that is back in line from where the try was scored giving an incentive for teams to try and score near to the centre such that the kick is more attainable.