選択的
achievement
black
board
business
challenge
checkmate
chess
chessboard
competition
concept
conceptual
conflict
decision
defeat
defense
entertainment
fight
figures
focus
game
hobby
holding
idea
intellect
intelligence
king
leadership
leisure
lens flare
lose
male
modern
move
objectives
person
pieces
play
recreation
retro
skill
sport
strategic
strategy
success
tactical
war
white
winner
wooden