Specials

Upgrade Chess Assistant 22 to 23 (download)
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.

Upgrade Chess Assistant 21 or earlier to 23 (download)
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.

Chess Assistant 23 (download)
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.

Chess Assistant 22 (DVD)
Chess Assistant 22 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

ChessOK Aquarium 2022 (download)
ChessOK Aquarium 2022 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, databases and much more.

Chess Assistant 22 (download)
Chess Assistant 22 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

Houdini 6 PRO Aquarium 2019 (DVD)
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.

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.

Manual of Chess Combinations, Vol. I
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.