Simplify the following text for a Grade 8 native English-speaking person.
Original: In Sassanid Persia around 600 the name became `` Chatrang '' which subsequently evolved to shatranj and the rules were developed further , and players started calling `` ShÄ h ! ''
Simplified: In Sassanid Persia around 600 the name became Chatrang and the rules were developed further , and players started calling ShÄ h !