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Subject: Re: Fruit 2 and endgame play

Author: chandler yergin

Date: 01:00:22 01/13/05

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On January 12, 2005 at 13:52:16, Dann Corbit wrote:

>On January 12, 2005 at 11:15:22, Uri Blass wrote:
>
>>On January 12, 2005 at 08:21:58, Norm Pollock wrote:
>>
>>>On January 12, 2005 at 07:43:57, Norm Pollock wrote:
>>>
>>>Then there is other matter of wear and tear on
>>>>the disk drives.
>>>
>>>Let me clarify this. 5 man egtb starts disk accessing with as many as 14 pieces
>>>still on the board in a blitz game.
>>>
>>>When there are only 5 pieces or less, then there is hardly any disk access and
>>>egtbs are clearly better than searching.
>>>
>>>But for 6-14 pieces on the board, disk accessing is taking away time
>>>(substantial time in blitz) from searching (and wearing out your disk drive). I
>>>think egtbs are likely a disadvantage to a strong program when there are 6-14
>>>pieces on the board, but are an advantage with 5 (or less) pieces on the board.
>>
>>Nobody force programs to access the disk when there are 6-14 pieces
>>I expect programmers who are intelligent enough to make their program probe the
>>tablebases to be also intelligent enough to not probe the tablebases if it is a
>>disadvantage.
>>
>>I got permission to use the nalimov tablebases as long as movei is not
>>commercial and my first implementation is probably going to be using it only
>>when there are 5 or less pieces in the board.
>
>I think it wise to test at least the pv also, when the pv has 5 men or less in
>it.  Even if it is 100 plies long, that is only 100 probes and completely
>insignificant for time.


Yeah Dan, Lets see ya get to 100 Plys!



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