Back is related to Yard. Yard is related to Measure. Measure is a synonym of Assess. Assess is a synonym of Evaluate. 
you would Compete because Gain. Fight entails/necessarily involves Compete. Fight is related to Argue. 
Back <--RelatedTo--> Yard <--RelatedTo--> Measure <--Synonym--> Assess <--Synonym--> Evaluate 
Gain <--MotivatedByGoal-- Compete <--Entails-- Fight <--RelatedTo--> Argue 