Author: Graham Banks
Date: 23:21:41 02/27/06
Go up one level in this thread
On February 28, 2006 at 02:17:11, Ryan B. wrote: >On February 28, 2006 at 02:08:03, Graham Banks wrote: > >>On February 28, 2006 at 01:59:07, Ryan B. wrote: >> >>>On February 27, 2006 at 23:51:54, Uri Blass wrote: >>> >>>>On February 27, 2006 at 22:25:44, Ryan B. wrote: >>>> >>>>>On February 27, 2006 at 21:55:05, Charles Wane wrote: >>>>> >>>>>>I just got finished playing a four game match at game/30 min between Hiarcs 10 >>>>>>and Rykba 13d, Hiarcs had an Athlon64 3200 with 128mb hash, against Rykba >>>>>>running on a Pent II 450 with 128mb hash. The score was 2-2 !! Yesterday I >>>>>>played about 14 games between rykba running on the same 450 against Deep fritz 8 >>>>>>on the Athlon64 and rykba won the majority of the games!! Iv'e never seen a >>>>>>program with such inferior hardware play so strong. I actually rated rybka on >>>>>>the 450 on chessmaster 10th but letting rybka play the various personalities it >>>>>>ended up with a rating of 3055!! And lost only one game , running all on a mere >>>>>>Pent II 450. I guess Rybka's case the chess knowledge means much more then the >>>>>>speed of the program? I don't know cause I'm not a computer chess expert, but >>>>>>all this seems bizarre. >>>>> >>>>>From what I have seen Rybka has great knowledge but not in the way of >>>>>traditional chess knowledge by having a huge evaluation function. Like all >>>>>chess engines I expect Rybka to play better on faster hardware but I so far >>>>>think the gain of fast hardware is less than most other programs. From what I >>>>>see Rybka ranks higher in blitz than long tc games. This is at least the case >>>>>on the CEGT rating list. >>>>> >>>>>Ryan >>>> >>>>I do not think that you are right here and rybka does not rank higher in blitz. >>>> >>>>Let compare the 32 bit versions of rybka >>>> >>>>blitz >>>>4 Rybka 1.01 Beta 13b 32-bit 2820 20 31 652 69.8 % 2675 23.0 % >>>>5 Rybka 1.0 Beta 32-bit 2811 9 12 3139 68.1 % 2679 29.2 % >>>> >>>>long time control >>>> >>>>3 Rybka 1.01 Beta 13-13b 32-bit 2869 28 28 494 73.9 % 2689 27.9 % >>>>5 Rybka 1.0 Beta 32-bit 2823 10 10 3670 68.8 % 2686 31.1 % >>>> >>>>You can see that rybka has higher ranking at long time control. >>>> >>>>I believe that the 64 bit version simply score too much to have reliable rating >>>>because it played in the long time control against opponents that are too >>>>weak(more than 300 elo weaker than it). >>>> >>>>Uri >>> >>> >>>Fruit is my reference point. >>> >>>CEGT 40/40 >>>Rybka 1.0 Beta 32bit 2816 >>>Fruit 2.2.1 2779 >>> >>> >>>CEGT Blitz 40/4 >>>Rybka 1.01 Beta 13b 32-bit 2820 >>>Fruit 2.2.1 2767 >>> >>>Ryan >> >> >>CCRL 40/40 (Athlon XP3800+) >>Rybka 1.0 Beta 32 bit 2883 >>Fruit 2.2.1 2848 >> >>For all intents and purposes the same points differential as the CEGT 40/40, so >>the gap doesn't seem to decrease much at longer time controls. >> >>Regards, Graham. > > >Interesting, thanks for showing me that. What is the web site for CCRL? > >Thanks, >Ryan http://computerchess.org.uk/ccrl/4040/
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.