Software Developed by ChessBase
PlayChess v.5 12
PlayChess is a client for an online chess service. This particular application allows you to play against users of Playchess.com. It won't require a registration, which means that you can simply download the client and start playing as a guest.
Deep Junior v.9.0
Written by Amir Ban and Shay Bushinsky, Junior has won multiple World Computer Chess Championships, and now, in version 12, its playing strength has been further increased - by around 200 Elo points, compared to the previous version 10 published by C