英文關鍵字
abstract
background
battle
black
board
business
challenge
check
checkmate
chess
chessboard
competition
concept
dark
decision
defeat
fight
game
horse
idea
intelligence
king
knight
leader
leadership
leisure
light
move
pawn
piece
plan
play
power
queen
sport
square
strategic
strategy
success
symbol
team
think
thinking
unique
victory
war
white
win
winner
wooden