Houdini 4 Aquarium & Houdini 4 PRO Aquarium
Houdini 4 Aquarium 2014 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engine Houdini 4 and 7-piece Lomonosov Tablebases.

Houdini 4 Aquarium — $65.95 / €57.5
Houdini 4 PRO Aquarium supports up to 32 cores and 32 GB of hash — $94.95 / €86.3

Latest broadcast:
Online Grand Prix 2012
Round 1
ChessOK.com » Chessplanet for iOS Released!
Chessplanet for iOS Released! 18 January 2013

ChessOK Playing Zone client for iOS has been released!

This application allows to play chess, participate in tournaments (including team tournaments), communicate in chat with your partners, access the database where all games are stored and available for review.

Download it now from iTunes!

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.

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