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Subject: Re: Risky play

Author: Aaron Tay

Date: 19:31:05 04/07/01

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On April 07, 2001 at 17:31:12, Vine Smith wrote:

>On April 07, 2001 at 13:13:25, Aaron Tay wrote:
>
>>On April 07, 2001 at 06:37:01, Vine Smith wrote:
>>
>>>On April 06, 2001 at 23:49:58, Robert Hyatt wrote:
>>>
>>>>On April 06, 2001 at 16:13:11, Vine Smith wrote:
>>>>If you look at the documentation file, "evaluation" command, you can scale
>>>>king safety up, make it asymmetric in the opposite direction that it is now
>>>>so that the opponent's king safety is more important that crafty's king safety,
>>>>then ramp up the 'tropism' term...
>>>I'll give it a try. Are you interested in hearing of any results or testing?
>>>Also, if you have any numeric guidelines, such as "Don't set king safety higher
>>>than x, or it just gets ridiculous", I'd appreciate the info.
>>
>>I doubt it will work. My guess is you really have to work on adding more
>>knowledge rather than just shifting the weights on existing postional factors..
>>But what do I know..??

>Perhaps, but it's worth trying anyway. I suppose Crafty's existing positional
>factors were fine-tuned by autoplay against other Crafty versions, but what
>about versus other programs?

I'm sure Dr Hyatt will comment if he wishes, but I seriously doubt this is the
case.AFAIK from various postings, Crafty is tested mainly on ICC against Humans
and other computers ,with a heavier weightage against Humans , and I believe the
policy is not to play against Crafty clones..

So, there is no autoplay at all..

>And, against human opponents, who would find an
>aggressive style more unnerving?

Perhaps..But Crafty currently is already geared more towards playing against
Humans I think..

>Maybe other factors will need adjustment as
>well -- I don't think an attacking program should worry too much about pawn
>structure, for instance.



>But my question is whether I would just be duplicating
>someone else's efforts; haven't there been some Crafty "clones" already along
>such lines, including one which played the "Halloween Attack" a lot (1.e4 e5
>2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe4?!)?

I believe that was started by Hossa, which is not a Crafty clone.



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