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Subject: Re: Testposition - Endgame tricks

Author: Sune Larsson

Date: 08:00:00 07/22/01

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On July 22, 2001 at 10:30:36, Geo Disher wrote:

>I got a diffrent result using Fritz6 on 800mhz machine at depth 19/35.  My
>machine found the correct reply in 3 minutes of Nxa3.


 Using 64 MB hash (instead of 128) I can confirm your results.
 Now F6 finds Nxa3 after 3.19 minutes and Deep Fritz after 9.16,
 on my P800. Using 128 MB hash F6 needs 4.34.

 Sune




>
>
>On July 21, 2001 at 21:56:16, Sune Larsson wrote:
>
>>
>>  [D]6k1/6pp/3n4/1n1p1P2/p1pP1NP1/PpP1K3/1B5P/8 b - - 0 1
>>
>>  Euwe - Averbakh, Zuerich 1953
>>
>>
>>  In this position white has just played 36.Nh5-f4, casting eyes on
>>  the squares d5 and e6. Averbakh, just like a Spanish matador, went
>>  for the swift kill, and just 4 moves later Euwe resigned. It happened:
>>
>>  36.-Nxa3! (clears the road for the pawns) 37.Bxa3 Nb5  38.Bc1 Nxc3
>>  39.Ne2 Nb1! and white resigned 0-1
>>
>>
>>  It looks like Deep Fritz has some trouble with this position.
>>  DF wants to protect the pawn on d5 with 36.-Nc7, tried it so far
>>  as ply20 and 10 min on a PIII 800.
>>
>>
>>  Test: The mission is clear and the direct winning line above.
>>
>>  Sune



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