Deep Fritz 11 1CPU 2937 after 1248 games
Fritz 12 2929 after 778 games
It would be better if the programmers use the same engine of Deep fritz 11 for fritz 12 but hardcode it to play with 1 cpu then to create a weaker 1 cpu engine known as fritz 12. I hope you get what I'm saying. 1 cpu=1 cpu, so latter engine should be stronger not weaker. If this is the case then just copy the older engine and call it the new.
> I hope you get what I'm saying.
No I don't, if Deep Fritz was called "Cooler" (just an example) the concept would be the same, Fritz 12 is an improvement of Fritz 11, while Cooler 12 is an improvement of Cooler 11. Cooler is MP while Fritz is SP. The engines having a different name would stop people from comparing Fritz 12 with Cooler 11, since they're different, unrelated* product lines.
Though I agree that getting Cooler 12 Beta hardcoded to 1CPU would have been better to the customers, though that'd have meant stopping the Fritz project (as the code would become useless.)
*) Other than same author.
If they are different engines then this is misleading "With Deep Fritz 10 you get the same results as Fritz 10, just a lot quicker".
In fact this http://www.chessbase.com/newsdetail.asp?newsid=3511 gives the idea that Fritz 10 and Deep Fritz 10 are the same engine.
>Fritz programmers got super lazy this time. Maybe too much working on GUI instead of engine.
>Deep Fritz 11 1CPU 2937 after 1248 games
>Fritz 12 2929 after 778 games
You read the list incorrectly. The correct way is:
PROGRAM'S NAME ELO + - GAMES
Deep Fritz 11 1CPU 2937 14 14 1248
Fritz 12 2929 18 18 778
After all there's a chance Deep fritz 11 1cpu can be up to 40 points stronger than fritz 12 and a chance fritz 12 can be up to 24 points stronger than deep fritz 11 1cpu.
IMO, fritz 12 is at least no stronger.
>I didn't list the + or - columns because most would agree that it is a sufficient number of games.
There is never a sufficient number of games until you play them all. :-)
>IMO, fritz 12 is at least no stronger.
It's not a matter of opinions but on statistics. And statistics say that F12 is not with a probability 100%, not stronger than DF11.
>So Rybka 3 is not stronger than a 2000 elo program since there wasn't a sufficient number of games played.
Some assumptions here to get rid of the indefiniteness of "a 2000 ELO program". A "2000 ELO program" is defined as a program that when competes with FIDE GMs/IMs/FMs etc it will have on the FIDE list an ELO rating of about 2000.
With that in mind i believe that Rybka 3 is stronger than a 2000 ELO program.
And we have an extremely high probability for that obviously from all the rating lists, from her games against people, etc. The probability may be something like 99.9999999999999999%. But it's not 100% so i can really ignore this 0.0000000000000001% and say with absolute confidence that Rybka 3 IS stronger. It may sound silly but i hope you see the logic behind this. :-)
Sweet Deep Fritz 10.1 - where are you now? :( :(
>Both engines are ugly clones of Rybka 2 series.
Why do you think Fritz 12 and Deep Fritz 11 are clones of Rybka 2 series?
And what exactly do you mean by "clones of Rybka 2 series"?
The correct question
How is Fritz 12 weaker than Deep Fritz 11(for one cpu)?
Note that I am not sure if Fritz12 is weaker than Deep Fritz11 and it is only an opinion.
You can only be sure that there is no big difference in playing strength between Deep Fritz11 and Fritz12.
Edit:To make it more correct
There is a big difference in playing stength with the right hardware and Deep Fritz11 may be significantly stronger if you use a quad
for both engines.
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