Do you need Internet to play chess with Deep Fritz 10?
No. You can play with Deep Fritz 10 without been online. Deep
Fritz is a program that has to be installed in your computer in
order to play with it. It uses not or requires not an internet
Chessbase, the company that sells Fritz products has an online
community to play chess, called "playchess", the software for
playing online comes as well with the program of Deep Fritz, for
this, you do need an internet connection.