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Subject: Re: Has anyone done a Crafty version tournament?

Author: David Dahlem

Date: 11:10:24 09/08/04

Go up one level in this thread


On September 08, 2004 at 13:09:17, Mathieu Pagé wrote:

>On September 07, 2004 at 19:05:11, David Dahlem wrote:
>
>>On September 07, 2004 at 18:56:11, Mathieu Pagé wrote:
>>
>>>On September 07, 2004 at 18:15:54, David Dahlem wrote:
>>>
>>>>On September 07, 2004 at 15:25:47, Robert Hyatt wrote:
>>>>
>>>>>On September 07, 2004 at 14:26:10, David Dahlem wrote:
>>>>>
>>>>>>On September 07, 2004 at 13:29:58, Robert Hyatt wrote:
>>>>>>
>>>>>>>On September 07, 2004 at 12:26:59, David Dahlem wrote:
>>>>>>>
>>>>>>>>On September 07, 2004 at 11:46:59, Axel Schumacher wrote:
>>>>>>>>
>>>>>>>>>On September 07, 2004 at 10:38:25, Cliff Sears wrote:
>>>>>>>>>
>>>>>>>>>>Has anyone done a tournament  Crafty's to see if maybe one of the older versions
>>>>>>>>>>may be better than the newer versions?
>>>>>>>>>>
>>>>>>>>>>I seem to recall someone awile ago saying they thought Crafty 18.13 was one of
>>>>>>>>>>the best.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>Here the Crafty-Version I tested in my Tournament (after 133.000 games, Blitz):
>>>>>>>>>
>>>>>>>>>Crafty 16.1		2539	94
>>>>>>>>>Crafty 17.13		2646	867
>>>>>>>>>Crafty 17.14		2627	125
>>>>>>>>>Crafty 18.10		2651	665
>>>>>>>>>Crafty 18.12		2657	359
>>>>>>>>>Crafty 18.13		2585	231
>>>>>>>>>Crafty 18.14		2625	242
>>>>>>>>>Crafty 18.15		2632	327
>>>>>>>>>Crafty 19.00		2486	117
>>>>>>>>>Crafty 19.01		2616	304
>>>>>>>>>Crafty 19.03		2640	350
>>>>>>>>>Crafty 19.03 Nimzovich	2427	15
>>>>>>>>>Crafty 19.03 Petrosian	2662	48
>>>>>>>>>Crafty 19.03 Stein	2668	198
>>>>>>>>>Crafty 19.04 Fischer	2685	231
>>>>>>>>>Crafty 19.04 Stein	2672	136
>>>>>>>>>Crafty 19.04b Stein	2615	47
>>>>>>>>>Crafty 19.05		2634	80
>>>>>>>>>Crafty 19.06		2646	110
>>>>>>>>>Crafty 19.07		2628	92
>>>>>>>>>Crafty 19.07 SE		2610	57
>>>>>>>>>Crafty 19.08 SE		2630	89
>>>>>>>>>Crafty 19.09		2652	143
>>>>>>>>>Crafty 19.10 CCT6	2663	126
>>>>>>>>>Crafty 19.11		2643	105
>>>>>>>>>Crafty 19.12		2627	302
>>>>>>>>>Crafty 19.13		2632	196
>>>>>>>>>Crafty 19.14		2616	259
>>>>>>>>>Crafty 19.14 nonsmp	2586	108
>>>>>>>>>Crafty 19.15		2672	373
>>>>>>>>>Crafty 19.17		2621	70
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>Cheers
>>>>>>>>>Axel
>>>>>>>>
>>>>>>>>Hi Axel
>>>>>>>>
>>>>>>>>Which build of Crafty 19.17 did you use in this test? I am currently testing two
>>>>>>>>builds by Peter Skinner, an all-processor build, and a build optimized for a P3.
>>>>>>>>Both versions surely seem to be doing much worse than previous versions. :-(
>>>>>>>>
>>>>>>>>Regards
>>>>>>>>Dave
>>>>>>>
>>>>>>>
>>>>>>>You need to be sure and clear position learning files before a match, and be
>>>>>>>sure that the two versions use different book.bin files or learning will
>>>>>>>definitely be broken.
>>>>>>
>>>>>>Thanks. But i am not testing one Crafty version against another Crafty version.
>>>>>>I am testing against different engines. And i don't use the Crafty book. I use a
>>>>>>custom pgn book with the Arena pgnbook option, so both engines play both sides
>>>>>>of each fairly equal line.
>>>>>>
>>>>>>Dave
>>>>>
>>>>>
>>>>>Different flaw then.  Crafty has learning code.  You are playing without using
>>>>>it....  What difference would the book make since if a commercial program plays
>>>>>against crafty in a real tournament, crafty will _not_ be using some half-baked
>>>>>book that might not fit its playing style very well?
>>>>>
>>>>>However, I only care about "best" vs "best" myself, others might be interested
>>>>>in some other sort of comparison, but I will never play in a WCCC event without
>>>>>having a reasonable book, so any other kind of match won't give much useful
>>>>>information IMHO...
>>>>
>>>>Well, it's just my personal opinion, but if both engines are using the same
>>>>book, in fact, play both sides of each line, then it's a fair match. :-)
>>>
>>>In Fact it is not, since Crafty has been handicaped. In my opinion, if you realy
>>>want to compare two engines you have to let them compete with all their
>>>functionalities enabled (Or anything the engine creator think is the best
>>>combination).
>>>
>>>In this case it is clear that Robert think that Crafty should use it's own book,
>>>since anything else would just be "Crafty without optimal opening book".
>>>
>>>I don't really understand why people think it is not fair to let the enginnes
>>>use any techniques they can in order to win. I have seen post here of people
>>>thinking that a fair match would have to be played without openings books,
>>>without endgames database. I even see people arguing that the memory print of
>>>the engines should be limited to some undreds Kb.
>>>
>>>Hey ! We are programming "Automated chess players", not only AlphaBeta searcher,
>>>so anything not involving human intervention during the game should be allowed
>>>(Humman intervention between the games of a match or a tournements are
>>>questionable).
>>>
>>>Mathieu Pagé
>>
>>Hi Mathieu
>>
>>I have to respectfully disagree with everything you say. And i don't see how
>>anyone can call using tablebases in a match as "playing", since it is only
>>looking up moves in a list, not playing or even thinking about the moves!
>
>Is it playing a move on the board ? If so this is a "Automated chess player
>playing a move".
>
>OF course it is your time and your testing methodology, but it is not your
>engine. And the author of this engine feel his engine should not be tested with
>this handicap. So you have 3 choices:
>- You test Crafty as Robert feel it should
>- You test Crafty as you want it to be and called it something like "Crafty with
>non official Book"
>- You don't care at all about what the engine's author want.
>
>Mathieu Pagé

I care about the moves an engine makes based on its "thinking", PERIOD

Regards
Dave



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