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Subject: Re: nullmove and tactics

Author: Anthony Cozzie

Date: 07:02:57 03/25/04

Go up one level in this thread


On March 23, 2004 at 18:18:51, Uri Blass wrote:

>On March 23, 2004 at 17:28:17, martin fierz wrote:
>
>>On March 23, 2004 at 17:13:46, Aivaras Juzvikas wrote:
>>
>>>On March 23, 2004 at 16:40:46, Renze Steenhuisen wrote:
>>>
>>>>On March 23, 2004 at 16:38:28, Aivaras Juzvikas wrote:
>>>>
>>>>>forgot to mention, i dont try null move on 0 ply
>>>>
>>>>Than what's your test set?
>>>
>>>test set?i just let two versions of my engine play each other a couple of 15 0
>>>games, the result is either a draw or a win for the one w/o null move, even tho
>>>it searches deeper as i already mentioned
>>
>>"a couple" meaning...?
>>
>>if it's two games, forget it. if it's 10 games, forget it too. start believing
>>it when it's 100 games...
>
>I think that if you do not get improvement with null move based on 10 games then
>there is good chance that you have a bug in the implementation.
>
>Uri

I have to agree with Uri here.  If your program plays weaker with null move
after 10 games, you screwed something up.

Null move is simply _that big_.

Getting 2 extra plys should show up long before 100 games . . .

anthony



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