Chess is one of the most popular games in the world and one of the most popular sports in the world. Its world organization, the International Chess Federation, has one hundred and twenty member countries (regions). In the address, all of the world, the international chess game, almost all the year round continuously connected. In some countries, there is also the annual international chess game playing flag, in which the day of the game, for the local people, it is a grand festival.
You can refer the following picture to get more detail.