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