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Subject: Re: Fine #70 and hash bug(s) (warning: long post)

Author: Robert Hyatt

Date: 09:15:02 04/21/04

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On April 20, 2004 at 15:22:52, Andrew Williams wrote:

>On April 19, 2004 at 22:50:56, Robert Hyatt wrote:
>
>>On April 19, 2004 at 15:49:14, Andrew Williams wrote:
>>
>>>On April 18, 2004 at 19:56:25, Andrew Wagner wrote:
>>>
>>>Try searching longer. PM is getting this at ply 27 (78kns, 0.76 seconds) at the
>>>moment, although I've seen it return the correct move at various different plies
>>>over the years.
>>>
>>>Andrew
>>
>>Something might be wrong.  It is a 26 ply combination to win a pawn, with no
>>hash table at all...  Hashing usually lets us hit the solution quicker.  IE
>>Crafty typically solves it at depth=18...
>>
>>
>
>Thanks for pointing this out, Bob. My TT seems OK, but my ETTC looks dodgy.
>Without it, PM has this at ply 21, which is the same as the version before the
>latest major overhaul of the TT in PostModernist. I'll have to have a look at
>that ETTC thing soon.
>
>Cheers
>
>Andrew Williams


It might well be OK.   It is possible that ETC is making you search things in a
better order, which in this case, delays seeing the solution...




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