英文關鍵字
activities
activity
background
battle
black
board
challenge
checkerboard
checkered
chess
chessboard
chessman
close
compete
competition
concept
decision
figures
gamble
game
group
hobby
horizontal
intellectual
intelligent
leisure
logical
objects
pastime
pieces
play
rows
sport
strategic
strength
tactic
team
teamwork
tournament
two
wooden