Game is related to Opponent. Opponent is the opposite of Mate. 
Section is a synonym of Division. Division is related to Process. Process is a synonym of March. March is related to Demonstration. 
Game <--RelatedTo--> Opponent <--Antonym--> Mate 
Section <--Synonym--> Division <--RelatedTo--> Process <--Synonym--> March <--RelatedTo--> Demonstration 