When Vas signed with Chessbase, a clause of the contract stipulated Chessbase being the sole commercial partner entitled to formally announce and then brand any forthcoming Rybka version up to contract termination.
Therefore, Vas abided not to give any specific release date, informations or even clues, by any means (and here 10 lines of legalese) giving away such marketing data.
Now we know that usually Chessbase is releasing new products announcement on their Website up to 2 weeks before actual availability.
It is all too logical to have Rybka 4 made available for Christmas. Add to this at least 10 provisional days for processing and dispatching orders. We can then expect real availability starting from December 14nd.
As a conclusion I'm expecting a simultaneous announcement from Chessbase and from Vas here, no sooner than November 30nd but not later than December 1nd.
That's a pretty precise release date and pretty close too, no?
On the other hand, would that date slip, I'm afraid we'll have to dream of Rybka 4 as, maybe, a special Easter egg escaping from the shore. ;-)
PS to the webmaster. I tried to upload my avatar (me with my beloved lion) but here is what I got from the server
"Avatar filling failed. Exception 395: unable to access configure file `colors.xml' @ configure.c/GetConfigureOptions/553"
My lion is roaring out of anger, please help!
> When Vas signed with Chessbase, a clause of the contract stipulated Chessbase being the sole commercial partner entitled to formally announce and then brand any forthcoming Rybka version up to contract termination.
Vas already indicated Rybka 4 will (like Rybka 3) be sold by both Chessbase and Convekta.
Have you ever been to Belgium or France? :) :) :)
>Have you ever been to Belgium or France? :-) :-) :-)
I think you all miss the point. Have you ever gone to Greece?
"Pita Giros" is a good thing to start. :-P
However, there is some tension looming on the horizon, see e.g. this
(even if you expect that it's not what you expect, you are wrong :-D)
Convekta and Chessbase should need some time for themselves with a more or less finished engine. Assuming new analysis features are added ;)
Leiden Oct 16-18 -> play with the tentative release version.
Oct 19-31 -> Leiden debriefing, ultimate bugs correction and parameters tweaking, freeze of the new opening book.
Integration in the various versions (Rybka personalities(?))
Nov 1 -> Codebase frozen, distribution for integration by Chessbase (Fritz 12 interface) and Convekta (Aquarium).
November -> Solve possible late issues with Chessbase and Convekta, work on branding.
Nov 30 or Dec 1 -> Triple simultaneous announcement (Chessbase, here, Convekta).
A big boat will be rented, a party organized, and in between 2 representatives (1 from Chessbase, 1 from Convekta) Vas will symbolically launch a very living fish (Rybka) in the sea, probably the the Baltic Sea. Then everybody will rejoice with Champagne!
:) :) :)
> (even if you expect that it's not what you expect, you are wrong :-D)
More precisely, the announcement will be both what we expect and what we don't expect at the same time :)
First post from Vas:
Has Rybka been slowed down to prevent decompilation?
No. We have a much better way to deal with this issue - just wait a bit and you'll see :-)
The thread becomes interesting with this post.
And the highlights at the end:
First Vas: For normal piracy, wait until Rybka 4 - we've got this all planned out! :-)
Answer Juri Osipov: It is signed that with releasing of Rybka 4, Vas will release sources of Rybka 3.
> I was hoping that people would do their own search, but just for you...
Is this another way of saying Vas never claimed such a thing?
I have read many posts by Vas claiming things, but never ever have seen a post of him claiming he solved/prevented reverse engineering
For some reason, the first Vas message is my favorite! :-D
Strongest engine in 2012? Vasik Rajlich 2007-11-05 12:27
Alan is right, I don't do this in Rybka. I guess the reason for it in Strelka is to minimize the .exe similarities with Rybka, which would otherwise be extremely high.
Generally, I have to admit that reverse engineering Rybka is a lot more feasible than I expected. For Rybka 3, I'll try to make it more difficult.
Rybka 3 FAQ Vasik Rajlich 2008-08-12 11:27
I certainly don't claim that Rybka is impossible to RE. Just wait and see :-)
Strelka = Rybka 1.0 Vasik Rajlich 2007-07-13 23:34
For Rybka 3, I will look into some stronger defensive measures.
Fortunately, I've been told that Rybka 1.0 is much easier to disassemble than subsequent Rybka versions. I am quite confident that Rybka 3 can be made extremely hard for others to read. Rybka 2.3.2 is already out and I should have taken better measures, but that's life - we just have to move ahead.
Deep Blue 1997 vs. Rybka 3.0 on Intel QX9770 Vasik Rajlich 2008-05-20 05:35
> However, a 20% Rybka slowdown might be worth decompilers needing 20% more time to accomplish their work.
I don't mean some sort of automatic scrambling method. It's more a matter of coding things in a way which is harder to understand. I've put a good amount of thought into this topic and as with most problems, you can eventually make pretty good progress (without coming anywhere near "solving" it).
A Problem with All Versions of Rybka... Vasik Rajlich 2008-04-14 06:16
Yes, I also looked into this stuff and what you say is true.
However, a 20% Rybka slowdown might be worth decompilers needing 20% more time to accomplish their work.
How secure is the source code of Rybka? Vasik Rajlich 2007-07-30 02:43
I believe that a straight decompile is a trivial step if you're willing to have meaningless variable names and all kinds of crud from various compiler optimizations like inlining, etc. Some language features like templates will also create a mess.
In fact, though, I've never tried it.
How secure is the source code of Rybka? Vasik Rajlich 2007-06-07 02:08
You could decompile Rybka (trivial) and change some program values which change the style without destroying the playing strength (quite difficult).
This leaves you with a very easy-to-detect clone.
You could also (in theory) decompile Rybka and figure out what exactly she's doing. Just imagining this gives me a headache :-)
Now let the "But Vas isn't a neutral source!" arguments start :-P
> Vas said that he has NOT delayed Rybka 4 for business reasons.
Is he still fixing BU? :)
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