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Subject: Re: Static Exchange Evaluator

Author: David Dahlem

Date: 13:03:46 08/30/04

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>>>>>>>>Hello all,
>>>>>>>>
>>>>>>>>I currently use the MVV/LVA technique in my queiscent search and am not really
>>>>>>>>happy with the bloat (it's running on my G4 now and getting some good NPS, but
>>>>>>>>the depth isn't all that great due to aforementioned bloat) so I was wondering
>>>>>>>>if anyone would be kind of enough to explain the principles behind SEE to me?
>>>>>>>>
>>>>>>>>i.e., how do you determine the correct capture order?  What do you do with bad
>>>>>>>>captures?  Do you just give them a really low score or do you just exlude them
>>>>>>>>completely from the search move list?
>>>>>>>
>>>>>>>
>>>>>>>See is a series of captures on a _single_ square.  Just like you would do, your
>>>>>>>program should always use the smallest possible piece next, when making a
>>>>>>>capture.
>>>>>>
>>>>>>"always"? Are there not some situations where capturing with a larger (checking)
>>>>>>piece would force a recapture, while a smaller piece would not, which would be
>>>>>>advantageous?
>>>>>>
>>>>>>Dave
>>>>>
>>>>>Not in SEE.  There is no concept of "checks" in any SEE implementation I have
>>>>>done or seen.
>>>>>
>>>>>SEE (static exchange evaluator) really is "dumb" in that regard. :)
>>>>
>>>>My point, the way i read your statement, "Just like you would do, your program
>>>>should always use the smallest possible piece next, when making a capture.", is
>>>>that you seem to be saying this is an "always" unchangeable chess rule, whether
>>>>for humans or engines. :-)
>>>>
>>>>Dave
>>>
>>>I was saying it in the context of SEE.  There I do _always_ use the smallest
>>>piece next...
>>
>>Ok, but "Just like you would do" has nothing to do with SEE, that's what drew my
>>attention...
>>
>>Dave
>
>OK.  I see where the confusion came from and it was a poor choice of words from
>me...

Ok, i forgive you for confusing me. :-)

Regards
Dave



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