allegory
analogy
army
attack
battle
business
challenge
checkmate
chess
chessman
chessmen
closeup
color
compete
concept
game
group
hierarchy
hobby
horizontal
icons
idea
indoors
inside
king
leader
leadership
life
metaphor
nobody
objects
pieces
politics
recreation
rivalry
ruler
skill
still
strategy
studio
symbol
tactic
team
teamwork
war
warfare