Houdini Aquarium 2019 & ChessOK Aquarium 2023
ChessOK 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

ChessOK.com » Special Offers in our Shop
Special Offers in our Shop 11 March 2011
Offers are valid from March, 11th.
  1. Order Chess Assistant 11 Starter, Professional, Mega or upgrade packages and get Internet Game Services 2011 (3000 new games each week) and 2010 for free .
  2. Order any two books costing more than $15/€12 and get a third book of your choice (in the price range of the first two) free.

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