Serial Number One Year
Download the free client at playchess.com. Order here and receive the serial number by email. You can use the serial number for one account. Enter it in the help menu of your playchess.com software and get one year of full functionality access. After entering the serial number 10 Ducats will be added to your account.

100 Ducats
The currency on the chess server playchess.com. Use it to play against grandmasters or to pay for private training. The amount will be credited to your playchess.com account. Please allow one working day for processing. Ducats can also be used to buy ChessBase products.
Please note: To make sure that the Ducats are added to the correct account please order from your Fritz program. Menu ->Edit -> Payments –> Fill up account. Your user name is then passed to the chessbase.com shop.