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- Start with 50 points.
- Add 1 point for each out recorded, so 3 points for every complete inning pitched.
- Add 2 points for each inning completed after the 4th.
- Add 1 point for each strikeout.
- Subtract 2 points for each hit allowed.
- Subtract 4 points for each earned run allowed.
- Subtract 2 points for each unearned run allowed.
- Subtract 1 point for each walk.