Author: Ryan B.
Date: 23:17:11 02/27/06
Go up one level in this thread
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
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