Software
ChessOK's software catalog covers the need of every chess player, from the absolute beginner to the strongest grandmasters. We develop software for all aspects of training, studying and improving your chess.
Featured Products - Software

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.

ChessOK Aquarium 2023 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, databases and much more.

Levels 1 - 9 [Rating 200-2400]; Tactics. Largest Tactics combo available with over 10,000 exercises for all chess players, from beginners to masters.

Chess Assistant 23 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.
Monthly Specials For January

Level 1 [Rating 200-600]; Tactics, School Software. 40,000 exercises on elementary checkmates.

Level 5 [Rating 1400-1600]; Tactics. 150 examples and 1500 exercises on more than 30 tactical methods and motifs.

Levels 3 - 4 [Rating 1000-1400]; Tactics. Over 5000 exercises for beginners.

Level 2 [Rating 600-1000]<br /> Tactics, School Software. 77,000 mate in one exercises for beginners.