Chess Assistant 21 & Chess Assistant 20
Chess 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 Preorder!
ChessOK Aquarium 2012 Preorder! 02 November 2012

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.

  • Preorder ChessOK Aquarium 2012 and choose a gift (see product description)!
  • Preorder Upgrade ChessOK Aquarium 2012
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    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.

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