ChessOK chess shop: Software, Equipment, Books

 ChessOK has the following special offers available:
  1. If you are a legal owner of any Houdini 3 version (in any interface, including Fritz etc.) and choose to buy Houdini 4 Aquarium, Houdini 4 PRO Aquarium, or any version of Chess Assistant 14 (including upgrade versions), you can choose any program within $25/20 Euro range for free as a bonus. Just enter your Houdini 3 serial code in the comments window.
  2. Order any 2 programs in our web shop and get a 3rd program of your choice (within the price range of the first two) for free!
  3. Order products for more than $120/€100 and choose any download program with a price of $25/€20 or lower as a bonus!
  4. Buy ChessOK Aquarium 2014 and receive Chess Openings Encyclopedia 2014 (download) as a bonus!!

Note: Specify the bonus course(s) you want to receive in the comments field, when filling the order form.

All offers can be used simultaneously.

Featured Products

Chess Assistant 15 (download)Buy Now
$94.95  $85.46
Save: 10% off
Chess Assistant 15 (download)
Chess Assistant 15 with Houdini 4 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.
Houdini PRO Aquarium 2015 (download)Buy Now
$94.95  $85.46
Save: 10% off
Houdini PRO Aquarium 2015 (download)
Houdini PRO Aquarium 2015 is a revolutionary analysis, database and chess publishing tool, combined with the world’s strongest chess playing engine, Houdini 4 PRO, which supports up to 32 cores and 32 GB of hash.
Upgrade to Chess Assistant 15 from Chess Assistant 14 (download)Buy Now
$55.95  $50.36
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Upgrade to Chess Assistant 15 from Chess Assistant 14 (download)
Upgrade your Chess Assistant 14 Starter or Professional to the corresponding Chess Assistant 15 version.
Chess Assistant 15 PRO (download)Buy Now
$145.95  $131.36
Save: 10% off
Chess Assistant 15 PRO (download)
Chess Assistant 15 PRO with Houdini 4 PRO is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.
Houdini Aquarium 2015 (download)Buy Now
$65.95  $59.36
Save: 10% off
Houdini Aquarium 2015 (download)
Houdini Aquarium 2015 is a revolutionary analysis, database and chess publishing tool, combined with the world’s strongest chess playing engine, Houdini 4 UCI, which supports up to 6 cores and 4 GB of hash.
CT-ART 5.0 - Complete Chess Tactics (download)Buy Now
$29.95  $23.96
Save: 20% off
CT-ART 5.0 - Complete Chess Tactics (download)
CT-ART is the world's most recognized and effective chess tactics course. The new CT-ART 5.0 combines three levels of chess tactics on three discs.
ChessOK Aquarium 2015 (download)Buy Now
$35.00  $31.50
Save: 10% off
ChessOK Aquarium 2015 (download)
ChessOK Aquarium 2015 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, databases and much more.