Houdini 3 Aquarium & Houdini 3 PRO Aquarium
Houdini 3 Aquarium 2012 is a new powerful analysis, database and chess publishing tool, combined with the world's strongest chess playing engine, Houdini 3 and database 5.68 million games.
Houdini 3 Aquarium — $59.95 / €57.5
Houdini 3 PRO Aquarium supports up to 32 cores and 32 GB of hash — $95 / €86.5

Latest broadcast:
Online Grand Prix 2012
Round 1

Free Game Service

Download weekly chess database updates (containing 2000+ games) with latest tournaments and games in PGN and Chess Assistant format.

Study Chess Online

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

ChessOK Services

• Aquarium support resource
• Opening Tree Mode
• Play Chess against Computer
• Endgame Nalimov Tablebases
• Download Chess Games (PGN)
• Chess Puzzles

Articles

• ChessOK Aquarium - Ultimate Analysis and Playing Tool; compatible with Houdini 3
• Chess Engine Management in Aquarium
• Customizing Your IDeA Tree Configuration
• Chess King with Houdini 2

More »

Support Forums

• Rybka Forum
• ChessOK Forum