aggression
alien
alone
battle
black
board
business
challenge
chess
chessboard
choice
competition
competitive
concept
conflict
conquering
defeat
fight
game
group
idea
individuality
intelligence
kamikaze
king
leader
leadership
one
pawn
piece
planning
play
power
set
single
sport
standing
strategic
strategy
strength
success
thinking
victory
wall
white
win