Author: Christophe Theron
Date: 13:36:20 02/26/01
Go up one level in this thread
On February 25, 2001 at 22:01:43, Pete Galati wrote:
>On February 25, 2001 at 21:02:09, Christophe Theron wrote:
>
>>On February 25, 2001 at 13:46:32, Sune Larsson wrote:
>>
>>>
>>> [D]8/5p1k/r5pp/P7/3R3P/6P1/5PK1/8 w - - 0 1
>>>
>>>
>>> 1927 Alekhine won the 34th game in the battle vs Capablanca to become
>>> World Champion. He did it by playing 1.Ra4! in the above position.
>>> Black's rook has to block the pawn and white has at his disposal an
>>> endless reserve of rook moves along the a-file. Again, the future for
>>> black spells "Zugzwang". The general rule is that a passed pawn should
>>> be supported by a rook from the rear. That's why ideas of 1.Rd5? are
>>> wrong. This is a knowledge that have to be implemented in many chessprograms.
>>> I have seen numerous examples of trying to support such a pawn sideways.
>>>
>>> What would your favourite program play?
>>>
>>> Sune
>>
>>
>>
>>My first reaction has been to laugh loud at this one, because I thought I had
>>introduced this knowledge in Chess Tiger already.
>>
>>Then I tried, and I must admit that Tiger wants to play Rd5 all the time (I
>>stopped after one minute, really angry).
>>
>>Grr...
>>
>>Now I remember, the knowledge I have introduced is about the position of the
>>black rook in the above diagram. It's something else.
>>
>>
>> Christophe
>
>But it'll be in the next version now?
>
>Pete
You want the new version to be delayed even more?
Christophe
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