Buy 3 chess training programs for the price of 2Order any two training programs in our online chess shop and get a third training program absolutely free. If your order is more than $120 / €100 Euro, you will get additional present.
New CT-ART 5.0 combines three excellent courses guiding you from beginner to advanced level.
Free Game Service for Download
Every Friday, starting October 2011, new database updates of about 2000 games played in the latest tournaments will be available for download in Chess Assistant and PGN formats. You only need the updates released after your Aquarium product. All the updates before that date are already included.After Chess Assistant 21 / Aquarium 2021
| September 2020 | October 2020 | November 2020 | December 2020 |
| Already included in the databases coming with Chess Assistant 21 and Aquarium 2021. |  Part 1 Part 2 Part 3 Part 4 Part 5 |
Part 1 Part 2 Part 3 Part 4
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| January 2021 | February 2021 | March 2021 | April 2021 |
| Part 1 Part 2 |
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| May 2021 | June 2021 | July 2021 | August 2021 |
| September 2021 | October 2021 | November 2021 | December 2021 |
FREE GAME SERVICE ARCHIVE: Databases starting 2011
Study chess online on Chess King Learn! Time-proven training courses, thousands of examples and exercises.
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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