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Subject: Re: Fritz7 vs Crafty 18.12

Author: José Carlos

Date: 10:25:22 12/18/01

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On December 18, 2001 at 13:06:51, pavel wrote:

>On December 18, 2001 at 12:57:09, José Carlos wrote:
>
>>On December 18, 2001 at 12:38:15, pavel wrote:
>>
>>>>  First, I'm not talking of "fair", just to make the right conclusions out of
>>>>the test. BTW, I don't believe there exists anything "fair" in life ... :(
>>>>
>>>>>I will state few ideas, pls let me know what you think
>>>>>
>>>>>1) Default Opening Book for the programs.
>>>>
>>>>  That's usually a good idea to test "the program". But you can also test
>>>>program A + book X, and say "combination A+X performs this way:..."
>>>>
>>>>>(problem here, does crafty have a default opening book? the one thats available
>>>>>for download, is being used for a lot of versions, and not sure if it has been
>>>>>tweaked for craftys style of play.
>>>>
>>>>  It's up to Bob to answer this question, I think.
>>>>
>>>>>Even though lets say we want to use that
>>>>>book, we cant use it under CB interface AFAIK. So we will have to use crafty
>>>>>under winboard in one computer and make it play against fritz7 with its own GUI
>>>>>on another computer.)
>>>>
>>>>  I had an old version of Fritz (not sure the number, I don't use it anymore),
>>>>and I remember I created a void book with no moves, attached it to winboard
>>>>programs and they used their own books.
>>>>  Also, you can download the pgn Bob used to compile the book and compile a
>>>>Fritz ctg or cbh or whatever it's called.
>>>>
>>>>>2) Ponder=on
>>>>
>>>>  Again, you can use ponder off and report "crafty + ponder off performs..." but
>>>>not just say "crafty performs...".
>>>>
>>>>>3) 2 Identical CPUs
>>>>>
>>>>>(thats an obstacle I cant overcome, gotta buy another computer.)
>>>>
>>>>  I only have one computer and test with ponder off. I wish I had more money...
>>>>:)
>>>>
>>>>>4) Tournament Time Control
>>>>
>>>>  Again, if you state "program A performs ... at time control xxx on a zzz
>>>>machine" it's just fine :)
>>>>
>>>>>5) reasonable amount of game, 500. IMO thats reasonable enough.
>>>>
>>>>  Yep.
>>>>
>>>>  Regards,
>>>>
>>>>  José C.
>>>
>>>
>>>
>>>pls let me know what you think.
>>>
>>>Lets say, I take these measures to perform a "more accurate" match between these
>>>2 programs, under these conditions.
>>>
>>> I let both programs play under fritz interface,
>>>
>>>with ponder=off
>>>
>>>(but the game will be on tournament time control 80'/40+60'/20+30, so even if
>>>crafty plays with ponder=off it wont suffer. Because I AFAI remember the problem
>>>with crafty ponder=off was with its time allocation.)
>>>
>>>with 2600.ctg
>>>
>>>(but I will observe all the games to see if any programs come out of book with a
>>>- score, if any programs comes out of book with more than lets say -.50 score, I
>>>wil discontinue the game.)
>>>
>>>And of course I will try to remember to quote "Under these circumstances", when
>>>I post the games next time :)
>>>
>>>
>>>regards.
>>>pavs
>>
>>  If you quote "Under these circumstances", anything you do is fine for me. Any
>>test is interesting as long as we know what is being tested.
>>  Of course, this is just my opinion. There seems to be other programmers here
>>with different opinions, so I might be completely wrong. Perhaps is better to
>>generalize always...
>>
>>  José C.
>
>
>yes ofcourse, but my objective would be to try find as accurate "game
>environtment" as possible.
>
>Differant Issue, is it possible to make an opening book with lines not deep
>enough and not complicated enough, where most programs will evaluate its out of
>book positions as 0.00-ish ? Or rather doesnt have an instant attack on its
>playing style when out of book?
>
>IMO that would be interesting for games between several engines. We could call
>it a "Universal Opening Book".
>
>
>
>oh well, Lunch time. :)
>
>regards,
>
>pavs

  Every test is interesting, IMO. What about testing 'book strength' by running
games between two different books with the same engine? :)
  Just kidding...

  José C.



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