What is the difference between Tekken 6 and Tekken 6 BR?

In Tekken 6, a lot of moves are very strong with strong juggles and if you are a real player or Tekken you will notice the imbalance of that. For example, for Kazuya's d/b+4 move is always a critical hit and his wall hit, bounce and then u/f +4,4,4,4 is a sure hit so that alone is not balanced with other players. There are also moves that are not balanced in Tekken 6 that's why in Tekken 6 BR, they changed these moves and also in BR they added 4 new characters which are also balanced ones, Lars and Alisa.