The history of chess is the story of a game that was carried from Asia through the Middle East, along North Africa and into Europe. It spread throughout Europe and into Russia making it a global pursuit. It is estimated that 10% of the world's population can play chess.
It's journey took place over many centuries. It became embedded in many cultures. In a process of evolution and change it diversified into many variants. Each one a unique creature designed to flourish in a different environment.
Chaturanga is the oldest known variant. It evolved into Shatranj. Later the Moors brought Shatranj from North Africa into Spain. The pieces changed again to reflect a Medieval court so that Europeans could identify with the game. Slowly but surely chess was played in every city producing many great European masters.