From the RHP homepage:
<<Playing chess at 'Red Hot Pawn'
'Red Hot Pawn' supports turn-based chess with thousands of people from all over the globe. You choose who and when you play. Games don’t have to be finished in one sitting - your opponent doesn’t even have to be online as you make your moves. No downloads are required - and it is FREE to register and play. This is how it works...>>
Turn-based chess? Is there any other kind? That would seem to be a superfluous bit of information.