Houdini Aquarium 2017 & Houdini PRO Aquarium 2017
Houdini Aquarium 2017 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engine Houdini 5 and 7-piece Lomonosov Tablebases.

Houdini Aquarium 2017 — $59.95 / €47.96
Houdini PRO Aquarium 2017, up to 128 cores and 128 GB of hash — $99.95 / €79.96

ChessOK.com » Rybka 4 UCI Released!
Rybka 4 UCI Released! 24 May 2010


Rybka 4 UCI for download

Deep Rybka 4 UCI for download

Rybka 4 UCI on CD

Deep Rybka 4 UCI on CD

Rybka 4 Aquarium and Opening Book by Jir Dufek will be available in a few hours. Stay tuned!

Please note, that (Deep) Rybka 4 Aquarium or Chess Assistant 11 already include Rybka 4 UCI / Deep Rybka 4 UCI without any additional payments along with a bonus program of Openings Encyclopedia 2010. There’s also a 30% discount package of Rybka 4 Aquarium + Chess Assistant available for order.

Rybka 4 UCI / Deep Rybka 4 UCI can be used in all modern chess programs such as Aquarium, Chess Assistant, Fritz, Shredder, Chessbase, Arena etc.

Study chess online on Chess King Learn! Time-proven training courses, thousands of examples and exercises.

Start playing right now in your web browser on Chess King Playing Zone! Teams, tournaments, training, analysis and much more!

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.

More »