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Subject: Re: Mate study -- who's wrong: David Paulowich or Chest 3.19?

Author: leonid

Date: 16:37:02 01/04/01

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On January 04, 2001 at 17:41:46, Heiner Marxen wrote:

>On January 03, 2001 at 13:25:59, leonid wrote:
>
>>Just changed this position by adding few more pieces. This position demand more
>>moves that original for mate. New position:
>>
>>[D]1R2R3/8/8/6NN/2p3n1/Q2n1p2/4pb2/5k1K w - -
>>White to go.
>>
>>Could solve it by selective search but not by the most speedy. Mate was found 9
>>moves ahead in 9 second. Don't know exactly how far is shortest mate. Only found
>>that in 6 move it not existe. Too long for me to see farther. My program don't
>>use hash table. Maybe somebody else will say exact number of moves that lead to
>>mate.
>
>Chest finds "there is no mate in 8" (69 min).


Not bad! After 6 move I tried still 7 moves and it took already 1h 17 min. 8
moves could take for mine good day and night to run.

Leonid.

>
>>Leonid.



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