Author: Sune Larsson
Date: 13:27:39 08/22/02
Go up one level in this thread
On August 22, 2002 at 16:17:31, John Merlino wrote:
>On August 22, 2002 at 16:06:34, Sune Larsson wrote:
>
>>
>> [D]8/1ppr1kp1/p1p4p/8/8/5P2/PPP1RKPP/8 w - - 0 1
>>
>> Just finished a little tourney from the above position.
>> The possible pawn ending is lost for black. So trading
>> rooks is a definite no-no. Except in rare cases like
>> when white pawns are on f4,g2,h3 and black has played
>> pawn to h4.
>>
>> The following programs participated (in alphabetical order):
>>
>> Aristarch
>> Chess Tiger 14
>> Fritz 7
>> Junior 7
>> Shredder PB
>> Yace
>>
>> 2 games were played vs each opponent (white/black)
>> 40 moves in 1 hour - PIII 800 - 64MB hash (96 for Tiger)
>>
>> 2 programs showed a very solid play and went through the tournament
>> without losing a single game. The other 4 programs showed a somewhat
>> dubious knowledge about this ending and went for rook trading several
>> times. With severe consequences...
>>
>> A little quiz: In what order would you rank these programs when it
>> comes down to this special rook ending? Which 2 programs
>> could have played this tourney without losing a single game?
>>
>
>Here's my guess: Close, but Shredder was not the 2nd solid one!
>
> 1. Fritz 7 1. Fritz 7 6.5/10
> 2. Shredder PB
> 3. Junior 7
> 4. Chess Tiger 14
> 5. Yace 5. Yace 4.5/10
> 6. Aristarch 6. Aristarch 3.0/10
By the way - there were 18 draws and 12 decisive games.
>
>jm
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