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Subject: Re: Congratulations Bob!

Author: Uri Blass

Date: 17:08:21 08/14/05

Go up one level in this thread


On August 14, 2005 at 18:01:28, Robert Hyatt wrote:

>On August 14, 2005 at 17:00:02, Bernhard Bauer wrote:
>
>>On August 14, 2005 at 16:47:43, Darrel Briley wrote:
>>
>>>On August 14, 2005 at 15:22:43, Graham Banks wrote:
>>>
>>>>Best wishes for the remaining games. It would be really good for this to be the
>>>>best Crafty ever! Fingers and toes crossed!
>>>>
>>>>Graham.
>>>
>>>1.5 with two blacks vs. Shredder and Junior.  Impressive indeed.
>>>Congratulations Bob!
>>>
>>>                         DB
>>
>>As Bob has pointed out earlier this is pure luck.
>>Crafty has serios tactical weaknesses as all the
>>computer chess specialists know. Crafty is not even commercial,
>>so how can this be explainded in any other way, but luck?
>>Perhaps Bob has found a very old version and is running this now, 6.4?
>>
>>Anyway congratulations and
>>Kind regards
>>Bernhard
>
>
>I'd bet that those "serious tactical weaknesses" are not to be found on this
>hardware, at least until someone is searching far faster than I am...

Tactical weaknesses can be found also in software.

>
>Crafty's "serious tactical weaknesses" are more urban legend than fact...

Comparing Crafty with fruit Crafty does not do checks in the first ply of the
qsearch when fruit does it and Crafty does not use history based pruning when
fruit does it.

I think that these are relative weaknesses and using the ideas of fruit may help
Crafty to be better in tactics.

Hardware is important to see deeper but there are also other factors.

Uri



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