Author: Sarah Bird
Date: 07:09:15 03/27/99
Go up one level in this thread
On March 27, 1999 at 03:48:15, blass uri wrote: > >On March 27, 1999 at 01:34:14, blass uri wrote: > >> >>On March 27, 1999 at 00:09:50, Brian MacAskill wrote: >> >>>Excuse my ignorance (computer chess is a brand-new interest for me), but why >>>*does* Fritz beat Crafty? >>> >>>I bought Fritz 5.32, and I run the Crafty 16.5 engine under it. Fritz usually >>>beats Crafty (though not easily... Crafty puts up more of a fight than any other >>>(free) engine I have). >> >>Crafty16.5 under Fritz5.32 is not the real crafty. >> >>It has not crafty's opening book and there are other problems. >> >>I find that even when there is mate in 1, crafty16.5 (as an engine for Junior) >>"feels" a duty to use its time when the real crafty does not "feels" this duty. >>It does not change the result of the game but it proves that crafty as an engine >>for Junior is a modified crafty and not the real crafty. >> >>I do not have Fritz5.32 but I guess that Crafty as an engine for Fritz5.32 has >>the same problem. >> >>The real crafty in ICC is a parallel machine and it is part of the program. >> >> >> >>> >>>So what's the reason? >>> >>>Is Fritz the result of a team of programmers, while Crafty is the work of one >>>(apparently very talented) man, Dr. Hyatt? Or is it vice-versa? >> >>No >>The source code of crafty is free when the source code of Fritz is not free and >>it gives an advantage to Fritz but I do not think that Fritz is better than >>Crafty. >> >>The real test is to give Crafty and Fritz the same rights to choose every >>machine that money can buy (including parallel machine) and do a match between >>them at tournament time control. >> >>If Fritz5.32 cannot earn from parallel machine then it is Fritz's problem >>because the possibility to use parallel machine is part of the crafty's program. >> >>If Fritz can win Crafty in this test then Fritz is better than crafty. > >Mark young told me that his tests show that Fritz is better than parallel >crafty. > > >Results against Fritz5: > >Matches with Bob Hyatt. > >Fritz 5.00(PII300) Vs. Crafty(Quad Ppro200) Fritz 5 wins +5 -0 =0 TC >120min 180 sec incs. > >I read about these games here but I know that crafty has a bug in these games. > > > > > >Results against Hiarcs7 > >Matches with Bob Hyatt. > >Hiarcs7(PII450) Vs. Crafty(Quad Xeon PII 400) Hiarcs7 wins +5 -2 =1 TC >10min 20 sec incs. > > >Server games with Hiarcs7 against Crafty. > >TC - Blitz from 5 min 5 sec incs. to 5 min 12 sec. incs. > >Hiarcs7(PII 450) wins > >+28 -5 =7 > >Avg. speed of the crafty's per game was 668 MHz. Most games were against >multi-cpu Crafty's. > > >Uri I was going to mention these games of Mark's since you note them I also point out the games between Rebel and Crafty at Rebel's homepage. http://www.rebel.nl/match.htm UltraB
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.