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
Test you chess skills and challenge one of the strongest chess playing programs in the world! You have three levels of difficulty to select from and it’s possible to change the appearance of your chess pieces. Click New Game to choose the colour of your pieces – White or Black. To enter a move you should click on a piece and drag it to the desired square.
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