Is an intellectual sport. Appropriate for chess and some other recreational activities, to develop people's thinking. Landlords can fully demonstrate individual skills and skills, and even a psychological quality of exercise. With the development of society, people's intelligence is also rising, the play is also constantly reform and progress. Landlords from 2-6 people involved, of course, single people can entertain themselves. One of the single player game is a landlord to play the game, requiring the players themselves to the local landlord and farmers.