CT-ART 6.0 (DVD, multi-language)
Levels 1 - 9 [Rating 200-2400]; Tactics. Largest Tactics combo available with over 10,000 exercises for all chess players, from beginners to masters.

Houdini 6 PRO Aquarium 2019 (download)
Houdini Aquarium 2019 is a revolutionary analysis, database and chess publishing tool, combined with the world’s strongest chess playing engine, Houdini 6 PRO, which is 60 ELO points over its predecessor and supports up to 128 cores and 128 GB of hash.

ChessOK Aquarium 2019 (download)
ChessOK Aquarium 2019 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, databases and much more.

Chess Assistant 19 with Houdini 6 (download)
Chess Assistant 19 with Houdini 6 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

CT-ART 5.0 - Complete Chess Tactics (download)
CT-ART is the world's most recognized and effective chess tactics course. The new CT-ART 5.0 combines three levels of chess tactics on three discs.