To keep track of zones during conflict, StoryHammer suggests using index cards. Break the scene down into various zones by naming them (e.g. “warehouse office”, “Courtyard: Northwest corner”, “Plains 1B”, etc.). For each zone, write it’s name on an index card. These zones should then be laid out in away that lines up like a map, to track movement from one to the other. Use unique tokens to represent the characters and place them on the cards to track which zone they are in. Character placement on the card does not matter as all characters are considered to be within Immediate Range to other characters in the same zone.
For large open places with lots of zones, it is suggested to use a checker board. Again, each square represents a zone and can hold multiple characters.