Houdini Aquarium 2019 & ChessOK Aquarium 2023ChessOK Aquarium 2023 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engines.
ChessOK Aquarium 2023 €39.96
Houdini 6 Aquarium 2019 €53.95
Chess Assistant 23 release meets Christmas – 20% off through December 31!
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.
Includes Rybka 4 (also automatically downloads and connects Stockfish 15 upon installation), databases with 8.5 million games updated weekly, Chess Opening Encyclopedia, 3 months of Chess King Learn subscription and many other features.
BONUS: Buy Chess Assistant 23 and get 3 BONUS months of subscription at Chess King Learn, giving you full access to 90+ training courses in Web, iOS and Android OS!
- Chess Assistant 23 (download) –
$94.95$75.96 - Upgrade Chess Assistant 22 to 23 (download) –
$74.95$59.96 - Upgrade Chess Assistant 21 or earlier to 23 (download) –
$84.95$67.96
Study chess online on Chess King Learn! Time-proven training courses, thousands of examples and exercises.
Start playing right now in your web browser on Chess King Playing Zone! Teams, tournaments, training, analysis and much more!
Download weekly chess database updates (containing 2000+ games) with latest tournaments and games in PGN and Chess Assistant format.
- Aquarium support resource
- Opening Tree Mode
- Play Chess against Computer
- Endgame Nalimov Tablebases
- Download Chess Games (PGN)
- Chess Puzzles