Buy 3 chess training programs for the price of 2
Order 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.

Latest broadcast:
Online Grand Prix 2012
Round 1
ChessOK.com » Download Free Chess Games in PGN

Free Game Service for Download

Every Friday, starting October 2011, new database updates of about 2000 games played in 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 14 / Houdini 4 Aquarium / Aquarium 2014

September 2013 October 2013 November 2013 December 2013

Already included in the databases coming with
Chess Assistant 14, Houdini 4 Aquarium
and Aquarium 2014

download Part 3
download Part 4
download Part 5
download Part 1
download Part 2
download Part 3
download Part 4
January 2014 February 2014 March 2014 April 2014
download Part 1
download Part 2
download Part 3
download Part 4
download Part 5
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3
download Part 4
May 2014 June 2014 July 2014 August 2014
download Part 1
download Part 2
download Part 3
download Part 4
download Part 5
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3
download Part 4
download Part 5
September 2014 October 2014 November 2014 December 2014
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3
download Part 4
download Part 1
download Part 2
download Part 3

After Chess Assistant 13 / Houdini 3 Aquarium / Aquarium 2012

After Chess Assistant 12 / Houdini 2 Aquarium / Aquarium 2011

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.

Study chess online on our new dedicated website. There are many training courses and thousands of chess puzzles to solve.

More »