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Subject: Re: Fine #70

Author: Mikael Bäckman

Date: 09:41:27 10/16/03

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On October 16, 2003 at 11:17:54, Michel Langeveld wrote:

>On October 16, 2003 at 09:41:48, Steve Maughan wrote:
>
>>On suggestion would be to do depth replace everywhere except where overwriting
>>the same position, in which case always replace - i.e. if you find the position
>>in the table already always replace it with the latest version / bound, ignoring
>>the depth.  Amir Ban suggested that this may work well for positions such as
>>Fine 70.  It is not obviously intuative but it may work since the value of the
>>bound / score will be more relevant to to the current subtree.
>>
>>Anyway worth a try
>>
>>Regards,
>>
>>Steve
>
>Thanks for the advice!
>
>Do you mean with ignoring the depth:
>1) let the old possibly higher depth in the hashtable or
>2) always overwrite with the lowerdepth and ignore the depth already in the
>table
>
>Option 1) would be really not intuative.


Hi Michel!

I tried this. I changed my hash to always overwrite if the current hashkey and
the key in hashtable match. I gained 14 plies on a 5 second search! :-)

/Mikael



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