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Subject: Re: Not too diffcult for computers

Author: David Rasmussen

Date: 21:51:35 01/14/01

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On January 14, 2001 at 18:35:42, Thomas Lagershausen wrote:

>On January 14, 2001 at 18:08:24, Pete Galati wrote:
>
>>On January 14, 2001 at 17:48:55, Thomas Lagershausen wrote:
>>
>>>On January 14, 2001 at 17:36:21, Dan Andersson wrote:
>>>
>>>>There is no problem. I suspect more than a few programs find Rxc6 in reasonable
>>>>times. The first program I tried actually found it quickly, the second too,
>>>>Crafty and Yace. Some others will find it later some sooner. Nothing tricky
>>>>about this position at all.
>>>>
>>>>Regards Dan Andersson
>>>
>>>I had tested it with Shredder 5,Junior 6,Tiger 12,Gambit Tiger,Yace 0.99 and got
>>>no solution.
>>>Which version of yace you use?
>>>
>>>Regards Thomas Lagershausen
>>
>>Is this the position?
>>
>>[D]1r2k1r1/3p1p2/2bR1Bp1/p1K1P2p/5P1P/1P6/3R4/8 w - - 0 32
>
>Absolutly perfect.
>In the meantime a have tested a few other programes.
>Yace 0.23 plays 32.Rd6xc6! but only with a drawscore!
>But Crafty understands the position in the style every programe should do so.
>Some other programes are good too:Gandalf 4.32g,Rebel Century 3,Nimzo, CM8000,
>Phalanx.So this position is not for every programe too difficult. But in my
>opinion for too much.
>
>Greetings
>Thomas

Chezzz likes this move instantly, but does not understand that it is better than
draw until depth 18, where it sees a positive score for white.

That took 700 seconds on my Cel 300A @ 464. A little too long for practical
purposes, but at least it finds it.



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