At around 11 years old , he was playing against 16 year olds and at around 12 years old , he was playing against men that had served in the Army .
Despite these setbacks , Firsov quickly became considered as one of the best young talents .
At around 11 years old , Firsov was playing against 16 year olds and at around 12 years old , Firsov was playing against men that had served in the Army .
Despite these setbacks , Firsov quickly became considered as one of the best young talents .