Why is chess popular across the whole world?

There are plenty of board games that have been introduced since time immemorial. However, few have managed to be widely accepted and chess is one of the lucky ones that have become so popular across the whole world. While some find it quite difficult to understand the complicated moving pattern of the chess pieces, a great number of chess beginners find learning the whole game effortless. The main goal of the game is simple to define. This allows new players to establish their own strategies in winning the game. This clear-cut illustration of the concept of the game is the primary reason why it has turned out to be very popular among lovers of table games.