Lichess org is a real fun for chess game fans. A great community + games for rating + daily exercises.
How to Play
If the player to move has no legal move, the game is over; it is either a checkmate (a loss for the player with no legal moves) if the king is under attack, or a stalemate (a draw) if the king is not. Try to find an opponents that will be the same level with you or a bit stronger.
Since Lichess org is created by the volunteers for donations it means there're no ads and any type of charges. You become a member of the club as soon as you sign up.
The game provides different types of games. For example one game gives only 2 minutes for a turn if you are out of time you lose. For each captured piece you're given extra 2 seconds. Also you'll find a lot of exercises, education videos. You can join simultaneous game or just watch someone playing.
As an option you can create your own tournament! Lichess is a chess heaven :)