colleague
battle
board
boss
break
business
businessman
businessmen
businesspeople
challenge
check
checkmate
chess
chessboard
colleagues
competition
competitive
competitors
concentration
consultant
decision
employee
executive
game
hobby
intelligence
leadership
leisure
man
management
manager
mate
men
move
office
partner
planning
play
player
players
playing
risk
rivalry
rivals
strategic
strategy
tactics
thinking
two
winning