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Subject: Re: Questions

Author: Robert Hyatt

Date: 07:14:42 10/19/98

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On October 18, 1998 at 14:25:23, blass uri wrote:

>
>On October 18, 1998 at 13:41:29, Robert Hyatt wrote:
>
>>On October 18, 1998 at 12:13:34, Alessio Iacovoni wrote:
>>
>>>1) Shouldn't computer strenght it rather be measured on "average" entry-level
>>>computers.. i.e. the ones actually used by the majority of people?
>>>
>>>2) Also.. do programs benefit in the same way from higher speed and increased
>>>hash tables? If not, tests would not be comparable, therefore useless.
>>>
>>>3) Why are books used in tests? Shouldn't a top level computer program be
>>>capable of doing at least decently in the opening phase *without* resorting to
>>>it's book? If the answer is no.. then it could be easily beaten by even
>>>lower-performing computers by having it systematically go out of book. Or am I
>>>wrong?
>>
>>Computers would do just as well without a book as a human that had *never*seen
>>an opening book.  And I'd bet the human would fall into many of the same sorts
>>of "traps" that the computer would.  But even worse, the computer would tend
>>to play the same opening every time, since the tree search is deterministic.
>
>There are some variable in the evaluation function that you can decide that they
>will not be constants
>
>For example suppose you have a positional bonus for a pawn in the 5th rank of
>0.2 pawn.
>You can decide that  the positional bonus will be different(0.23 pawn or 0.17
>pawn)
>You can decide before every move to change the positional bonuses by a small
>random number and it may cause the program not to play the same opening every
>time.
>
>Uri



Sure...  but it can also make it play *weaker* in addition to playing more
random...



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