英文關鍵字
1080p
background
battle
battlefield
black
board
business
castle
challenge
check
checkmate
chess
chessboard
concept
entertainment
exercise
figure
focus
game
hand
idea
intelligence
kasparov
king
knight
knocking
male
match
mate
mental
metaphor
motion
opposition
pawn
piece
player
power
queen
recreation
sign
slowmotion
square
strategy
success
symbol
think
white
wood