activity
black
board
casual
challenge
challenger
checkered
chess
chessboard
classic
cognitive
community
competition
concentration
development
engagement
entertainment
focus
friendly
fun
game
indoor
interaction
leisure
match
mental
mind
move
opponent
pieces
play
player
players
process
recreation
rules
skill
skills
social
sport
strategic
strategy
tactics
thinking
time
tournament
traditional
two
white
wooden