英文關鍵字
background
battle
bishop
black
board
business
challenge
checkmate
chess
chessboard
choice
close
competition
concept
dark
decision
education
enemy
fight
focus
game
hand
horse
intelligence
king
knight
leader
leadership
leisure
move
pawn
people
piece
planning
play
position
queen
selective
sport
strategic
strategy
success
symbol
think
trap
victory
white
win