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Rybka Book
The official Rybka commercial opening book is created by Jeroen Noomen and is in .ctg (ie. Chessbase/Fritz) format. It can only be used in the chessbase family of graphical user interfaces and Aquarium. You can buy it here.

Rybka 3 book info

Credits
- Vas and Larry: for the brilliant Rybka 3 engine that found so many novelties, nice ideas and refutations.
- Dagh Nielsen: for the very inspiring preparation sessions and all the great stuff you found in the Najdorf.
- IM Merijn van Delft: for the breath taking Petroff novelty I was allowed to use.
- IM Iweta Rajlich: for providing me with some nice analysis and exciting opening material.
- My Q6600: no good book without good hardware
- Playchess engine room: without all you guys this book would never exist!
- ChessBase: for selling my book and giving me this opportunity.

What can you expect
- The Rybka 3 book is a combination of the best GM games and computer games of the past few years.
- I worked on it for 6.5 months, on average I put around 4 times more hours and effort in this new book when compared with RybkaII.
- It contains a lot of novelties, original analysis and new ideas.
- It is thoroughly computer checked.
- Improvements were made on a daily basis, with the help of 8000 test games being played and analysed.
- The book has been tested against a wide variety of other books.
- You will find improvements on Playchess theory in it, as well as refutations of some popular Playchess lines.
- Although I have a private book, I have made no concessions with the Rybka 3 book, i.e. all the good stuff I found during testing and analysing is in the book.

Availability
- The Rybka 3 book is in ctg-format and will be exclusively available through ChessBase.

Why stand alone
- With the Rybka 3 book I want to reach a very broad chess audience:

A) Hobby players
B) Club players
C) Correspondence players
D) Tournament players
E) International masters and grandmasters
F) Chess enthousiasts who like to play engine-engine matches
G) ChessBase 8/9/10 users
H) ChessBase engine users who don't want to have Rybka, but are interested in updating their books
I) Aquarium users
J) All other people interested in the latest opening theory

- Once it was clear to me that this was my goal and greatest wish, I verified the possible options.
- As the book was in ctg-format, the agreement with ChessBase was by far the most logical step for me.
- A stand alone product will put more emphasis on the book and its pro's, this would not have been the case when incorporated in the Rybka 3 package.
- Only with a stand alone product I can reach the audience mentioned above.
- For me earning a little extra is nice, but I must confess that the PR and the exposure generated are far more thrilling for me .

Of course I fully understand that people expected Rybka3.ctg to be in the Rybka 3 package. I hope that I made clear what my considerations were and why I made the step. In any case I can tell you that I gave my very best to make Rybka3.ctg possible and that the ChessBase agreement was a huge boost to make it even better. I hope you will enjoy the new Rybka book.

Jeroen Noomen