Chess Assistant 21 & Chess Assistant 20Chess Assistant 21 combines advanced game database management, analysis powered by the strongest engines, the advanced Tree mode, Opening Encyclopedia and many other features.
Chess Assistant 21 €79.96
Chess Assistant 20 €55.99
ChessOK Aquarium 2012 is available for preorder!
If you already own any previous version of Houdini 2 Aquarium, Rybka Aquarium or ChessOk Aquarium, you can upgrade it for just 60% of the full price!
If you are interested in the upcoming releases of Chess Assistant 13 and Houdini 3 Aquarium (also available for preorder), you may want to read about differences between the products and packages on the What’s the Difference page.
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!
7-man Lomonosov Tablebases provide deeper-than-ever insight into chess endgame.
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