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Subject: Re: Crafty don't find a winning move !!

Author: Côme

Date: 15:02:16 02/01/00

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On February 01, 2000 at 17:53:43, Dann Corbit wrote:

>On February 01, 2000 at 16:42:00, Côme wrote:
>
>>On February 01, 2000 at 16:20:34, Dann Corbit wrote:
>>
>>>On February 01, 2000 at 16:15:20, Côme wrote:
>>>[snip]
>>>>After some minutes the eval of Junior 6 is more than +1 on my K6 II 350.
>>>How many minutes?  What was the reported depth in plies?  What was the pv?  Did
>>>it see the right line?
>>>
>>>>In human point of vue Bg5!! is winning but it is may be true than programs
>>>>choose it but not for the right reasons.
>>>
>>>The centipawn evaluation tells all. ;-)
>>>If it thinks it is a few hundredths of a pawn ahead, it does not know why it
>>>chose the move.
>>
>>
>>Hello Dann,
>>
>>On my K6 II 350
>>After 3:57 Junior show +1.02 but don't find the strongest line.
>>After 8:11 Junior show +1.24 but don't find the strongest line.
>>I am sure that if I let more time Junior will find the strongest line.
>>Junior 6 seem to be the only program who find quickly Bg5!! with a winning
>>eval for white !
>
>This is a position that explodes with possibilities.  I think Junior has some
>superior positional evaluation in order to choose it.
>
>I think all the programs will find it once they complete ply 12.
>
>A one pawn advantage is not exactly decisive, but it shows that it does see a
>clear advantage.  I wonder how far until it sees the true line?
>
>Any program that happens to pick Bg5 will probably have an advantage here,
>because it plays itself after you choose it.  It does not seem nearly so
>difficult as some of the LCT II positions (one, in particular, I just have to
>take on faith, because I really don't get it).  Sometimes, you have to see the
>plan clearly after you make a positional move.  Otherwise, it is of no advantage
>and perhaps even a disadvantage.


Hello Dann,
But It doesn't explain why crafty don't find this winning move!
Best Regards
Alexandre Côme



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