aggression
army
attack
board
business
challenge
checkboard
chess
choice
competition
competitive
concept
conflict
conquering
courage
decision
defending
direction
domination
force
group
idea
intelligence
king
knight
leadership
leading
military
offense
order
pawn
piece
plan
planning
power
protection
recruitment
rivalry
skill
squad
standing
strategy
strength
success
tactics
team
thinking
threat
war
wedge