• The Rybka 4 opening book is a high-class compilation of opening theory.
• The Rybka 4 Book includes 17 million positions and over 700,000 games, which were selected from top sources.
• And this is only the starting point – the value of the book lies in over 700 original analysis and move choices.
• The book contains a lot of computer-checked analysis never published anywhere before.
• This makes it useful for tournament and correspondence players alike.

Product Description
The Rybka 4 opening book is a high-class compilation of opening theory. It was developed for the world’s strongest chess entity – 100 cores cluster Rybka and chess software program Rybka 4 – and will maximize Rybka’s playing strength. The choice of variations in the book is well suited to Rybka’s style, and the book has been fine-tuned and checked in thousands of games.

The Rybka 4 Book includes 17 million positions and over 700,000 games, which were selected from … More >>

Rybka 4 Opening Book – Chess Software

• Chess Assistant 10 with Rybka 3 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.
• Starter package includes the best playing program – Rybka 3 (ELO rating 3150),
• Chess Opening Encyclopedia 2008, powerful search system, unique Tree mode
• Database of 3 300 000 games that can be automatically updated through the Internet each week with 3000 new games (for free till the end of 2010) etc.
• System Requirements:128 Mb RAM, Hard Disk 1 Gb, Windows 2000/NT/XP, DVD-ROM.

Product Description
Rybka 3: The World’s Strongest Chess Program
* Current Computer Chess World Champion
* Leads all independent computer chess rating lists
* By far the most successful chess program in recent years

The Chess Opening Encyclopedia 2008 mode includes rich theoretical material on all the openings, more than 8 000 annotations from GM Kalinin and 500 000 expert evaluations to key opening positions. The detailed key system for any opening has an opportunity to edit.

The T… More >>

Chess Assistant 10 Starter Package with Rybka 3 Chess Software for PC

• Deep Rybka 3 – multicore/multiprocessor version of the 2008 World Computer Chess champion. Deep Rybka 3 engine can be also used in Fritz and other chess programs
• Analyze and annotate your games with Aquarium’s advanced analysis methods.
• Database: 4,400,000 games (up to November 1, 2009). Lightning fast database searches. Chessbase/Fritz CBH format (reads and converts), Chess Assistant CDP, PGN and EPD databa
• Databases with fast searches
• SUPER BONUS: every buyer of the Deep Rybka Aquarium 2010+ package receives a bonus Chess Assistant 10 Professional package.

Product Description
Deep Rybka Aquarium 2010 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing, game databases and much more. This exciting new package includes the Deep Rybka3 chess engine (intended for multicore/multiprocessor computers) and the BONUS software Chess Assistant 10 Professional Package.

New in Aquarium:

* More powerful Interactive Deep Analysis (IDeA): Multi-engine, local or remote analysis, multiple analysis projects, mult… More >>

Deep Rybka Aquarium 2010 Chess Playing Software