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Subject: Re: WACNEW 40% less fails when Sharper get 12x the time

Author: Albert Bertilsson

Date: 03:47:17 03/17/03

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On March 17, 2003 at 06:43:30, Uri Blass wrote:

>On March 17, 2003 at 05:47:29, Albert Bertilsson wrote:
>
>>Hi!
>>
>>Since Uri pointed out that my PV was rotten I fixed that to see what happens.
>>
>>I picked out all 105 positions that failed when running for 5 seconds and
>>increased the time to 60 seconds.
>>
>>The results was quite nice, some 40 positions where solved!
>
>still 65 unsolved positions are a lot.
>
>Movei can solve 275 out of 300 in less than a second.
>
>Movei needs something between 0.1 and 0.2 seconds on my A1000 to get 65 unsolved
>positions.
>
>Do you use history tables and killer moves for better order of moves?
>Do you use MVV/LVA or some more logical way to order captures?
>
>
>Uri

Ok, so I'll go out on the bug hunt!

Sharper uses MVV/LVA to order captures.

I've tested killer moves but it only gave 1-2% less nodes, maybe I did it
wrong!?

I'm currently testing history tables and it seems to give me about 5% less
nodes, maybe I got that one wrong too!?

/Regards Albert



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