Author: Roger D Davis
Date: 06:06:14 01/15/06
Go up one level in this thread
On January 15, 2006 at 08:46:47, Albert Silver wrote: >On January 15, 2006 at 07:37:55, Roger D Davis wrote: > >>On January 14, 2006 at 20:09:05, Albert Silver wrote: >> >>>On January 14, 2006 at 18:00:22, Roger D Davis wrote: >>> >>>>On January 14, 2006 at 17:15:39, Joseph Ciarrochi wrote: >>>> >>>>>Hi folks, >>>>> >>>>>I am just wondering how much improvement vasik has managed from the original >>>>>beta and the newest beta (please post anything you have). My initial tests >>>>>against fritz 9 show (4 min 2 sec increment); noomen openings): >>>>> >>>>>rybka beta 10 37 - 22 >>>>>rybka beta 35.5 - 23.5 >>>>> >>>>> >>>>>(this tourni still going, will post final results soon.) >>>>> >>>>>My guess is vasik has maybe improved rybka by 30 points (please present any data >>>>>you have since this is truley guessing.) >>>>> >>>>>I am not sure that adding endgame knowledge will lead to big improvement. Maybe >>>>>a half point here or there, but i could be wrong. Maybe 20 point boost? >>>>> >>>>>Let's say the February release of rybka gets a total of 50 points improvement. >>>>>This will give it about a 90 point advantage over fruit, based on the CEGT. If >>>>>fabien keeps improving fruit as he has in the past (see >>>>>http://www.fruitchess.com/playing-strength.htm), then fruit could very well >>>>>catch rybka in the next release. >>>>> >>>>> >>>>>I really like the way Fruit 2.2. plays. It offers you very solid advice and >>>>>seems to understand opening play quite well (will post data on this soon). In >>>>>playing style, it seems very different from rybka and thus forms a nice >>>>>complement to this monster fish. >>>>> >>>>> >>>>>best >>>>>Joseph >>>>> >>>>>ps. did fabien ever offer an explanation about why on earth he called his >>>>>program fruit. >>>> >>>> >>>>Fruit versus Rybka could turn out to be a one of those classic sports rivalries >>>>(yes, chess programming is a sport), because it pits different kinds of >>>>expertise against each other. Rybka's author is obviously a great programmer and >>>>chess IM, but Fruit's author may be the best chess coder alive. >>> >>>I'm absolutely not putting down Fabien's skills by one iota, but it is strange >>>to see someone say that when a superior program, even if possibly temporarily, >>>exists. How do you explain this program's superiority and still claim Fabien is >>>better? What part of Rybka is so much stronger that it overcomes worse coding? >>> >>> Albert >>> >>>> >> >>Obviously, they're both great coders. I don't KNOW that it will develop into a >>great rivalry. Maybe and maybe not. >> >>If I remember correctly, Donninger reviewed one of the Rybka betas in a previous >>thread and stated that the code wasn't particularly well optimized. > >I remember the post, but you have forgotten a very important element. He then >suggested that with money Vasik would be able to afford a better compiler. The >problem was with the compiling and not Vasik's coding. > > Albert > Then I stand corrected about the Donninger post. However, it's still true that Fabien's code caused quite a stir. Of course, it's also true that Vasik has been through the Fruit code forwards and backwards, because he said so. Perhaps he's emulating Fabien's style, which would reduce any difference. Roger
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