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.

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 (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.

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.

Manual of Chess Combinations, Vol. III
750 best tactical positions, grouped according to their topics. Intended for chess players with ELO 2000 – 2400.

"Brilliant Chess Studies"
Both beginners and grandmasters will find here a lot of bright, beautiful and instructive ideas.

"Manual of Chess Endings"
A collection of the 600 most standard (exact) endgame positions.

Manual of Chess Combinations, Vol. II
Learn to solve more complicated problems. Our new book includes combinations occurred in the games by well-known players, including outstanding masters of the past and the present.