abstract
analyze
background
battle
black
board
brown
business
caucasian
challenge
chess
chessboard
choice
competition
concept
deduction
defeat
fight
game
glass
intelligence
king
knight
leader
leisure
lens
line
magnifier
magnifing
magnify
magnifying
move
optical
pawn
pieces
planning
play
power
queen
set
shadow
sport
strategy
success
table
victory
win
wood
wooden