All battlefield sports operators get access to the 'Battlefield Tag basic games handbook', with a detailed explanation of how to set up a game, and the mission briefings. This handbook is provided free of charge as a pdf download, and contains a wealth of knowledge straight from the people who have been running Battlefield Sports games for decades. 
This game is also called Domination, but the name 'capture and hold' may be used depending on the audience.
Just you against all others. No team-mates to cover you. ​
Eliminate the opposition. Sounds easy enough..​​