abstract
background
battle
battlefield
black
business
check
chess
chessboard
choice
competition
composition
concept
conflict
decision
defeat
design
game
group
intellect
intelligence
king
knight
leader
leisure
opponent
piece
plan
play
power
queen
risk
rival
rivalry
set
sport
strategic
strategy
success
tactics
team
thinking
time
tournament
victory
vision
war
white
win
wooden