AdminX wrote:I just got this info from George, thought others might be interested.
George Tsavdaris wrote:Chessbase informed me that the Rybka 3.ctg (Jeroen) book will be sold only separately and that Rybka 3 and Deep Rybka 3 packages would not have it.
So to be clear, I buy Chessbase Version of Rybka and I get the following:
Deep Rybka 3 chess engine
Updated Chessbase GUI with new features
One Year Playchess
NO New Rybka Opening book by Jeroen Noomen
Which means either I use the current Rybka Opening book or buy the New Rybka 3 Opening book as a separate purchase. The new Rybka may or may not have and Opening book, but just not the new Rybka 3 Opening book by Jeroen Noomen.
This is a daylight robbery in my opinion
Ok,let the guys make some bucks for the great product,but not like that....
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….
Henrik Dinesen wrote:
Aquarium isn't capable of editing or creating trees in the ctg format yet, only open and use them for play and browsing. So Jeroen is probably forced to use CB-software still - however, while the book is sold separately, is appears he has gotten a deal of his own via Chessbase.
This hole affair looks like a bridge between convekta nd CB too me, however, a competetive one. Who knows, it may mean that the implemation of ctg handling in Aquarium will go smoother, without obstructions from CB...
Btw, Aquarium will still be a super-deal, with or without Rybka - especially for those who's not affraid to learn to use something sligthly different
I didn't know that Aquarium was able to read .ctg files. I was going under the assumption that Aquarium only supported its own native tree format, and was wondering why there was no book in that format. Thanks for the information, Henrik.
It's time now to talk about the many evaluation improvements in Rybka 3 over Rybka 2.3.2a. There are so many that I can only list the more important ones. A lot of the improvement consists of assigning better values to previously existing terms; I won't go into that. Here is a list of what's new, in five categories:
A) General terms
1. Better definition of mobility
2. New concept of "range"
3. New "contempt" - now when set Rybka tries to avoid various drawish factors, such as neutral trades, blocked pawn structures, and symmetrical pawn structures.
4. New definition of game phase
5. Revised basic piece values
6. Scoring tactical threats in the evaluation (previously handled only by search)
7. New table of how the value of minor pieces depends on which other ones are on the board
8. Safe squares for pieces
9. Relative placement of certain pieces and pawns
B) Opening Play
1. Try to avoid separating neighbor pawns (as in pawns on c2 and d4, knight on c3).
2. Value the right to castle.
3. Connect your rooks.
C) Endgame Play
1. Some rook endgame heuristics
2. Advanced passers are the key to queen endgames.
3. More knowledge about which endgames are drawish and which are not
4. New terms regarding good rook placement
D) Middlegame Play
1. Understanding good and bad bishops
2. Much more advanced understanding of king attacks
3. Importance of defending the king by pieces
4. "Space" (previously addressed only indirectly)
E) Pawn Structure
1. New definitions regarding unopposed pawns
2. Classification of types of backward pawns
3. Pawn Islands
4. Extra penalty for doubled isolated pawns
5. terms relating to how pawns are placed relative to neighboring pawns
"Good decisions come from experience, and experience comes from bad decisions."
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Ted Summers
