attack
battle
battle field
blue
board
board games
boss
challenge
chess
chess board
chessboard
close up
combat
competition
concept
defeat
defense
design
emperor
fight
game
horse
intelligence
king
kingdom
knight
lead
leadership
move
opposition
piece
pieces
play
power
risk
rivalry
royal
strategic
strategy
strength
successful
symbol
team
teamwork
triumph
victory
war
warfare
watching
win