Expected fantasy points (xFP) strip away player talent and efficiency and focus solely on opportunity.
FORP -- fantasy points over replacement player -- is the difference between a player's actual fantasy point total (FF points) and his xFP (expected total).
Running back adjustments are made as follows:
Rushing attempts: No change
Rushing yardage: Rush attempts multiplied by a rusher's expected yardage based on position, in-box defenders and rush direction
Rushing touchdowns: Rushing xTD
Targets: No change
Receptions: Targets multiplied by a receiver's expected catch rate based on depth of throw, location and position
Receiving yardage: Targets multiplied by a receiver's expected yardage based on depth of throw, location and position
Receiving touchdowns: Receiving xTD
Two-point conversions: xTD multiplied by the league average two-point rate
Fumbles lost: Touches multiplied by the league average rate
Return touchdowns: Excluded due to extreme rareness and randomness
Here is the 2022 xFP leaderboard for running backs: