Buy chess or chess.

YYY: Oh, I don’t have to. This is the most dangerous sport.
We once in the student years went to the cliff to visit our comrade-extermale (he had a fracture of one leg).
Next to him was a poor chess player with a screw fracture of both legs. He sat on a chair and thought about the move, and his legs around the legs of the chair were wrapped and swung. He fell and broke both legs. Speaking of Chess.