Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Slate's Challenge of the Day

Author: Rex

Date: 18:30:53 10/07/03

Go up one level in this thread


Jaime

I totally agree in this statement.  Also how well a program can work the
oposition into this position is a strong point.


On October 07, 2003 at 20:56:00, Jaime Benito de Valle Ruiz wrote:

>On October 07, 2003 at 19:58:29, Jeremiah Penery wrote:
>
>>On October 07, 2003 at 18:48:30, Slater Wold wrote:
>>
>>>[D]r2br1k1/1b1n2p1/p2pp1Pp/qp6/3BPP2/P1N5/1PPQ4/1K1R1B1R w - -
>>>
>>>This game can be over in ~10 moves.
>>>
>>>Can you find Bxg7?
>>
>>This is a modified Crafty that isn't extremely well tuned.  I haven't made any
>>changes in a long time, and it often overvalues attacking chances.
>>Nevertheless, sometimes it produces good results. :)
>>
>>              depth   time  score   variation (1)
>>                1     0.00   3.47   1. Bxg7
>>                1->   0.00   3.47   1. Bxg7
>>                2     0.00     ++   1. Bxg7!!
>>                2     0.00   4.18   1. Bxg7 Kxg7 2. Qxd6
>
>
>Surely if you tune an engine properly it'll find "amazing" moves now and then
>(esp. when the King's safety is at stake) by over-rating the chances of an
>attack. But, what about the rest of the games? I've managed to configure lots of
>engines to find extremely hard sacrifices... but after several games, their
>overall performance become clearly much worse than normal in normal games!
>I just find it estrange that most commercial engines such as Fritz, Shredder or
>Junior (to name three) can’t see anything within a minute, but your version has
>no problems at all finding it in almost no time!!!
>If it shows a more consistent behavior, I want a copy!! Otherwise, it's not an
>useful result
>Regards,
>
>  Jaime



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.