I would say that myself
It has unique strategy that distinguish it from other games.
Its educational.
Its fun and addictive.
Its mind challenging.
Its gaves self confidence.
Its brings pleasure, thus happiness to the world.
Its social networker
Subjective.
What can you say else?
understandable
I once saw a movie called "The Greatest Game ever played"." All about golf. :)
We are talking about chess here.
You spelt greatest wrong
I would say that myself