aggression
alien
alone
attack
board
business
challenge
checkboard
chess
choice
competition
competitive
concept
conflict
conquering
courage
crowd
decision
defeat
domination
game
group
idea
individuality
kamikaze
king
knight
lead
leadership
leading
loss
pawn
piece
power
progress
rivalry
set
single
standing
strategy
strength
success
symbol
thinking
threat
victory
way
winning