army
attack
battle
board
business
challenge
chess
chessboard
chessman
chessmen
closeup
color
compete
competition
competitive
computer
concept
conflict
confrontation
contest
entertainment
game
group
hierarchy
hobby
idea
indoors
inside
intelligence
leader
leadership
metaphor
nobody
objects
photograph
pieces
play
power
sky
strategic
strategy
success
symbol
symbolic
tactic
tactics
team
teamwork
victory
war
win