adult
black
board
caucasian
challenger
challenging
check
chess
chessboard
chin
competition
competitor
concentrate
concentrating
concentration
contemplating
game
hand
head
hold
holding
king
male
man
men
middle aged
opponent
people
person
piece
pieces
play
player
playing
queen
resting
serious
set
smart
strategic
strategy
think
thinker
thinking
thought
thoughtful
white
wood
wooden