adults
black
board
caucasian
challenge
check
checkmate
chess
colors
competition
concentration
contemplation
decisions
emotion
expression
games
hand
head
hobbies
holding
human
indoors
intelligence
king
leisure
males
man
material
mature
men
one
pawn
pensive
people
person
piece
play
portrait
queen
serious
shirt
sport
strategy
studio
success
table
thinking
white
wood