Specials

Upgrade Chess Assistant 18 or earlier to 20 (DVD + download)
Upgrade you Chess Assistant 18 or earlier version to Chess Assistant 20.

Upgrade Chess Assistant 18 or earlier to 20 (download)
Upgrade you Chess Assistant 18 or earlier version to Chess Assistant 20.

Upgrade Chess Assistant 19 to 20 (DVD + download)
Upgrade you Chess Assistant 19 to Chess Assistant 20.

Upgrade Chess Assistant 19 to 20 (download)
Upgrade you Chess Assistant 19 to Chess Assistant 20.

ChessOK Aquarium 2020 (download)
ChessOK Aquarium 2020 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, databases and much more.

Chess Assistant 20 (DVD + download)
Chess Assistant 20 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

Chess Assistant 20 (download)
Chess Assistant 20 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

Premium Game Service 2019
Subscribe to receive full database updates with games played from November 8, 2018 to December 31, 2019.