You do as basic members get live chat in language rooms and main hall.
Ads are removeable by upgrading :)
Main hall chat is there for all who have been in live chess longer than 48 hours and played more than 10 games
If you mean admin in the Indian room, that will be changing soon :)
You can play chess for free. You're not limited at all on how many games you can play in live chess or in turn based.
In the home page it says"PLAY CHESS FOR FREE"