activity
background
battle
black
board
challenge
checkerboard
checkers
chessboard
clever
closeup
competition
competitive
copy
desk
education
educational
entertainment
gambling
game
grey
hobby
intellect
intellectual
intelligence
leisure
light
logic
match
object
partnership
pieces
play
playing
skill
smart
space
sport
square
strategic
strategy
success
table
text
thinking
white
win
wooden