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

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.

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.

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.

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.