Chess is a game that can improve brain performance..
This game started in the 6th century in India, the first name of this game (caturanga)then chess spread to the persian state and called by the name shatranj sassanid,
then cantur spread to the country of Indonesia which is called with the word (chess) and then chess spread to aceh which is called by name (seukak)
if in your country what name it is..???